Yes I do, this is what White Diamond expects of all of us, from a think flake of mica, to the deepest, hardest stone. We all must make sacrafices, for the sake of our perfect empire!
|—"Change Your Mind"|
Yellow Diamond is a Homeworld Gem, and an a member of the Great Diamond Authority that rules over the Gem race. In particular, she usually commands her military and oversees Gem production on her colonies. She was first shown in the extended theme song before making her official debut in "Message Received".
As one of the rulers of Homeworld, Yellow Diamond has a massive size, her height dwarfing almost all other gems. She has black markings around her eyes, bright yellow eyes with diamond-shaped pupils and black eyebrows, and short, helmet-like bob yellow hair with two spiked tips. Her gemstone is located on the center of her chest.
Yellow Diamond wears a dark yellow and olive bodysuit, a yellow coat with enormous shoulder pads and a cutout for her gemstone, yellow gloves, and olive-yellow, high-heeled boots. It can be assumed that Yellow wears a long overcoat that hangs past her knees when she is on Homeworld ("Message Received", "The Trial"), but she wears a short yellow tailcoat-like attire when she is traveling (That Will Be All", "Jungle Moon", "Can't Go Back", "Reunited", "Diamond Days").
As shown in her debut, Homeworld reputes Yellow Diamond as a perfectly logical and rational leader, though in reality she is vindictive and quick to anger. When her followers contacted her but failed, she is rather annoyed but will offer them multiple chances to redeem themselves, as shown with Peridot and one of her Nephrites. Yellow is shown to have a blunt and "down-to-business" attitude, taking over the call Peridot was having with her Pearl to get the message that the former had quickly. She tells Holly Blue Agate to "get to the point" when she begins to ramble on, something which she did again with the prosecuting Zircon's praises. She also kept pushing to shatter Steven/Rose and get the trial over with.
Yellow Diamond has a dangerous and lethal temper, treating any act of disrespect against herself or her fellow Diamonds with aggression and violence. This was shown when she detonated the Diamond Communicator with the hopes of destroying Peridot and when she attacked both Zircons. Yellow is shown to get fed up when anyone disagrees with her beliefs, including about the value of other lifeforms and the caste system's duties. She yelled at Peridot for questioning her views of the Cluster, became frustrated when the defending Zircon shed light on the idea that Rose Quartz wasn't responsible for Pink Diamond's shattering, and even went as far as to attack Blue Diamond for disobeying White Diamond's will when the former was trying to help Steven and Connie escape with the Crystal Gems.
Despite being very efficient, Yellow Diamond puts forth her agenda under the guise that it is what is best for the Gem race. This is evident when she chose to reject Peridot's proposal to utilize the Earth again without ideas to not destroy the planet, despite the fact that Homeworld is low on resources as stated in "Too Short to Ride". This is also shown in "Change Your Mind" when she insists that everyone has make sacrifices for the sake of a "perfect empire." After Steven helped her realize that her actions have done more harm than good though, Yellow changes her mindset in terms of what is really best for the empire and her beloved ones.
When dealing with grief, Yellow tries to suppress her negative feelings and instead wishes to move forward. She expresses this to Blue by explaining that she should "start looking forward and stop looking back". Yellow finds it ridiculous that Blue is doing so much to preserve Pink Diamond's legacy instead of trying to move forward, opting instead to destroy Earth as it remains a tragedy for the Diamonds until the Cluster's failure. Yellow's thoughts reveal that she blames herself for Pink's fate after giving in to the latter's desire to have her own colony despite Yellow believing Pink wasn't ready for such responsibility, meaning her wish to forget about the past is her wanting to bury the guilt to lessen the pain.
When Steven is revealed to be the bearer of Pink Diamond's Gem, Yellow showcases genuine concern for his well-being and safety, deciding not to attack any of the Crystal Gems or even ask Garnet to unfuse. She still adheres to Homeworld's rules and customs though, poofing Opal, Garnet, and a Jade fusion once Stevonnie forms at the Era 3 Ball and the Crystal Gems fuse to stick up for them, not attacking the latter for "Pink"'s safety but instead imprisons them in a room.
In "Change Your Mind", it is shown that she and Blue are in fact miserable because of White's controlling and perfectionist nature. It is also shown that Yellow can be selfless, telling Steven to take her ship and leave Homeworld while she and Blue distract White.
Yellow Diamond has existed for thousands of years. Over time, she amassed a great amount of respect, colonies, and Gems. Other than this, not much is known about her past. It is revealed in "Your Mother and Mine" that some of Yellow Diamond's many colonies are asteroid fields which are used as mines.
During Yellow Diamond's colonization of the Jungle Moon's planet, she had Pink Diamond observe her. To Pink's amazement, Yellow commanded a fleet of Nephrites to begin colonizing the planet, disregarding their concerns of organic life on the surface. Pink's fascination became annoying to Yellow since she began to play around with Yellow's control panel. Yellow eventually scolded Pink for her immaturity.
Over 6,000 Years Ago
In "Reunited", Yellow reveals that she eventually gave into Pink's begging and allowed her to run a colony. When Pink later no longer wanted to colonize Earth, Yellow scolded and told her to finish what she had started.
Over 5,000 Years Ago
When Pink eventually staged her own shattering and Earth was deemed to no longer be a viable colony, it can be assumed that Yellow played a part in the Cluster's creation and possibly also commenced the fusion experiments, as Yellow refers to the Cluster as "my Cluster".
Over 4,500 Years Ago
Yellow also aided in unleashing the Corrupting Light when combining her powers with White and Blue Diamond at the end of the Rebellion with the intent of obliterating every Gem left on Earth's surface. Over the course of the following thousands of years, Yellow blames herself for Pink's demise, knowing that she was not ready for a colony of her own but giving in nonetheless.
Before "Warp Tour"
Yellow Diamond wishes to know how the Cluster and its prototypes are developing. She assigns Peridot to go to the Prime Kindergarten Control Room on Earth to retrieve this information.
After "Marble Madness"
After Steven summons Rose's shield, Jasper tells Peridot that Yellow Diamond has to see what Rose has become.
Peridot uses the Earth's Communication Hub to send out a distress signal to Yellow Diamond. She tells Yellow Diamond that her mission has been compromised and that she lost Jasper and Lapis Lazuli, and begs her to send help.
After coming to the realization that there may be no way to get off of the Earth, Peridot freaks out and mentions how she still never received a response from Yellow Diamond.
Peridot becomes ecstatic at the Moon Base when she sees Yellow Diamond's mural. She asks Steven if he agrees with her that Yellow Diamond is magnificent.
Peridot describes Yellow Diamond as "the most perfect, the most reasonable, rational, efficient decider ever to exist in the universe." Later on, Peridot uses the Diamond Communicator to call her. Yellow Diamond takes over the call after her Pearl talks to Peridot. She asks Peridot how her mission to Earth was, inquires about Jasper's whereabouts, and what happened to the ship. Yellow Diamond thanks Peridot for her report, and tells her that she would be sending a ship to her location to pick her up, but Peridot continues the call, telling Yellow Diamond that they should terminate the Cluster because the Earth has so many valuable resources. Yellow Diamond disagrees because she wants the Cluster to emerge and for the Earth to die. This causes the two to get into an argument and eventually leads to Peridot insulting Yellow Diamond. After the call is over, Yellow Diamond remotely detonates the Diamond Communicator in anger.
Peridot is shown to be fearful after realizing she insulted Yellow Diamond.
Yellow Diamond sends a group of Rubies to the Earth to locate and retrieve Jasper. Peridot reveals that Yellow Diamond has full control of Homeworld's army.
Yellow Diamond comes to the Zoo, only to find Blue Diamond crying in the bubble room. She tells her that she has come to bring her "back to reality," which she believes is moving on from Pink Diamond instead of constantly grieving. She sings to Blue Diamond, expressing that although the Diamonds still love and think about Pink Diamond, they need to move on to the best interest of their empire. When Yellow Diamond discovers that all Blue Diamond wants is to preserve more humans for the Zoo, she asks Sapphire if the Cluster emerged yet. When she says it has not yet, Yellow Diamond reassures Blue Diamond that "there's still time", before dismissing them.
Using the report they received from Peridot in "Marble Madness", Blue and Yellow Diamond send Aquamarine and Topaz to Earth to retrieve the different human varieties mentioned by Steven during his very first interaction with Peridot.
Yellow Diamond and Blue Diamond arrive in the courtroom on Homeworld to run a trial against Steven (whom they believe is Rose Quartz and Pink Diamond's murderer). Upon seeing Steven for the first time, Yellow Diamond tells Blue Diamond that they should shatter him just for taking on a "hideous form". Upon Blue Diamond's wishes, Yellow reluctantly agrees to the trial and summons her and Blue's thrones. When the yellow prosecuting Zircon addresses Yellow Diamond by many names, Yellow becomes irritated and tells her that "my Diamond" will suffice. After the prosecuting Zircon makes her case with the help of Eyeball, Yellow Diamond is convinced that Rose is guilty and believes it is time to execute Steven, but the trial continues upon Blue Diamond's wishes so the defense can speak. The blue defending Zircon wishes to remind the court that Steven turned himself in, which Yellow Diamond replies "the court remembers, and the court does not care". When Steven tells the Diamonds that he shattered Pink Diamond, Yellow becomes relieved, thinking that the trial is over because he confessed. Blue Diamond asks Steven how he shattered Pink Diamond, and he makes up a story since he doesn't know the exact details. This causes Blue Diamond to become distressed at the inconsistencies of Steven's story. Yellow then yells at Steven for upsetting her and calls a short recess before going to comfort Blue Diamond.
As the defending Zircon makes her argument, asking the Diamonds how a Rose Quartz got past Pink Diamond's entire entourage, Yellow Diamond becomes outraged; she slams her fists down and yells that her entourage was there and they saw the whole thing. Yellow Diamond yells to the Zircon that Rose must have slipped past Pink Diamond's Agates and Sapphires. Once the defending Zircon blames the Diamonds for the death of Pink, Yellow stands up and poofs her with her finger, and then uses an electricity attack to poof the prosecuting Zircon. Right afterward, Yellow tells Blue that they don't need to listen to that "nonsense" and that they can shatter Steven and be done with it. Blue yells at Yellow, asking if she can restrain herself, to which Yellow responds that the trial is pointless. After Steven and Lars escape in Blue Diamond's Palanquin, Yellow Diamond cuts her own hole in the side of the building. As the palanquin falls, Yellow Diamond stands at the edge of the hole and warns Steven "You think you can get away, Rose? You stood your ground on that little speck called Earth... but you're on our world now."
Steven mentions Yellow Diamond to Peridot and Lapis over video chat. He tells them about his encounter with the Diamonds on Homeworld, and how he and Lars escaped in Blue Diamond's Palanquin. This shocks Lapis, causing her to abruptly end the call.
After falling asleep in an abandoned moon base on the Jungle Moon, Stevonnie dreams of a hypothetical exchange where Dr. Maheswaran, dressed as Yellow Diamond, interacts with Pink Diamond, represented by Stevonnie. While Yellow takes care of communicating with a crew of Nephrites to initiate contact with the Jungle Moon's planet for invasion and colonization, getting increasingly angered by the crew's incompetence, Pink incessantly tries to get Yellow's attention, much to Yellow's annoyance. After the call ends, Yellow goes back to her controls where Pink bothers her some more, curious about her commands. While Yellow is patient enough to explain it to her, Pink's insistence starts to get on her nerves. Pink then eventually throws a tantrum about not being treated equally to the other Diamonds and demands to have colonies of her own too. Yellow refutes by stating that if she wants such things she must behave like the Diamond leader she is, getting aggressive towards her. Pink walks away and Yellow carries on with the rest of the plans for colonizing the jungle moon's planet. After Stevonnie wakes up and goes to the top floor of the moon base, they find evidence revealing the dream sequence was a flashback to what happened many years ago. Yellow later also appears in another mural in said base, and in a slide in the base's systems, unaware of her Pearl taking a 'selfie' of the two.
Yellow Diamond appears in Garnet's story of Rose Quartz. At the end of the Rebellion, she helps Blue and White Diamond corrupt most of the remaining Gems on Earth.
Yellow Diamond appears in Steven's dream of the Diamonds. She says nothing during the conversation between Blue Diamond and Pink Diamond and appears to ignore them entirely.
Yellow Diamond does not appear in this episode. However, she is mentioned twice. First by Gem War Pearl when describing the final Diamond attack on Earth, and second when Rose Quartz/Pink Diamond is talking to Pearl about how she will fake her shattering, betray the other Diamonds, and be with the Crystal Gems forever. She is also briefly seen in a flashback at the beginning of the episode with reused footage from "The Trial".
Yellow Diamond appears in Pearl's flashback about Pink Diamond. Pink pleads with her to spare the Earth, but she refuses to listen, forcing Pink to begin the Rebellion as Rose Quartz.
Yellow arrives with Blue on Earth to reactivate the Cluster. Using her arm ship, Yellow pops the Cluster's bubble, and when it forms in the shape of an arm, it attacks Yellow's ship. Yellow's ship and the Cluster then engage in arm wrestling until the ship eventually breaks down. The Cluster then smashes Yellow's defenseless ship into Blue's, causing Yellow to step out onto the beach. When Peridot taunts her, Yellow poofs her and later knocks Steven out in a fit of rage when he claims to be Pink Diamond. Yellow then later poofs Lapis Lazuli. In his mindscape, Steven discovers that Yellow blames herself for Pink's demise due to allowing her to run a colony. When Steven makes his presence known, Yellow and Blue attack him until Steven reveals that he can control Pink's aura. Steven then wakes up with the Gems along with Yellow and Blue standing over him, the latter two believing he is Pink.
Yellow tries activating her ship, but it remains destroyed. She then walks over to Steven and asks him (believing he is Pink) why he would let them believe he was shattered and why would he take on a new form. After Steven explains the story of Pink and Rose, Yellow believes Pink's memories must be somewhere inside of Steven. Steven takes Yellow and Blue to the Ancient Gem Colony Ship to show them what their Corrupting Light did to Gems. Yellow is confused when she sees Centipeetle, not understanding what she is and then stating that nobody should have survived their attack. Steven convinces the Diamonds to try to heal her; Yellow reverts Centipeetle back to her normal form, Blue heals her damaged mind, and Steven makes her mind and thoughts coherent. Centipeetle, now known as Nephrite, believes that Yellow and Blue came back to Earth and avenged Pink Diamond, destroying Rose Quartz. This causes Yellow and Blue to let go of her, allowing Nephrite to reassume the monstrous Centipeetle form.
Yellow asks Steven how many perfectly adequate Gems they had her ruin. She then tells Steven that in order to permanently and properly heal Corrupted Gems, they need White Diamond's help. Yellow and the others board Pink Diamond's abandoned ship from Rose's Landfill and begin traveling towards Homeworld. On the way there, Yellow tells Steven that they'll be lucky if White ever speaks to them again, and that returning to Homeworld via Pink's ship will irrefutably make the last 6,000 years the biggest galactic embarrassment and that they are the ones to blame. She tells Steven that she will do the talking when they meet with White. When they arrive on Homeworld, Yellow tells everyone to wait on the ship while Blue and herself ensures that White is calm. Everyone then hears the sound of a crowd cheering and proceeds to exit the ship. When White Pearl arrives requesting Steven's presence, Yellow calls Blue over but White Pearl emphasizes the fact that only Pink Diamond is necessary.
Yellow sends Yellow Pearl to bring "Pink Diamond" to the Extraction Chamber. Upon greeting Steven, she tells him that her sauna is new, and asks how his meeting with White went. She comments that Steven only being able to speak two and a half words to White is a new record, and wishes him luck with attempting to talk to her about the Corrupted Gems. She tells Steven that "White never leaves her head these days" or lets anyone in, except Pink, which she believes to be unfair given how many colonies she owns and Pink only having one failed colony. Steven tells her that maybe she should fail in order to receive White's sympathy, which Yellow laughs off and reminisces about how Pink always knew how to make her laugh. Yellow then receives a notification that she must check up on the Citrine production reports, and excuses herself.
Pearl later tells Steven "Yellow Diamond oversees all aspects of Gem production on every single one of her colonies, and when she's not doing that, she's off with her army conquering the next one".
Steven has a nightmare where he is juggling with White Pearl before Yellow enters the room by extending her neck to check if they are fooling around. Once they pretend they are not, Yellow happily leaves.
In the Diamond Throne Room, Yellow finds the idea of Steven throwing a ball brilliant, because the return of Pink Diamond would mark the beginning of Era 3. She instructs her Pearl to go over Homeworld's customs with Steven, since he has no memories from Pink Diamond's time on Homeworld.
As the ball begins, Yellow Pearl announces Yellow's entrance to the crowd, and she compliments Steven on having a big turnout. Later, however, when Steven and Connie accidentally fuse on the dance floor, Yellow scolds them, and uses her electrokinesis to poof Garnet, Opal, and a Lemon Jade fusion. Yellow then throws Stevonnie into an unknown room to think about what they did wrong, claiming that Pink has gone too far, even for her own standards.
Blue Diamond takes Steven and Connie to Yellow Diamond's Palace to retrieve the Crystal Gems, to which Yellow Diamond questions what they are doing. Blue clearlys states her intent to return the Crystal Gems to Earth, as they are happier there than they are on Homeworld. Yellow yells at Blue to take Steven and Connie back to the prison tower, but Blue refuses and the two begin to fight. While Blue and Yellow are distracted with their fight, Steven and Connie retrieve the bubble the Crystal Gems ara contained in. Steven creates a bubble around him, Connie and the Gems as Blue and Yellow's fight cause them to break through a wall.
Yellow angrily yells at Blue, asking why she would hurt her closest companion and a fellow Diamond. In anger, Yellow attacks Blue with her destabilizing electrokinesis repeatedly until Steven throws his shield at her hand, causing her to stop. Steven yells that Yellow doesn’t have to fight, but Yellow refuses, rebutting that they have to make sacrifices to appease White diamond and maintain the "perfection" of the Gem Empire. Steven asks Yellow Diamond if this is what she would consider "perfect". Yellow analyzes the situation and realizes that doing this would cause everything that makes her happy to disappear, causing her to relent her attack and finally listen to Steven.
Steven secures the Crystal Gems to leave, wondering why they haven’t reformed yet. Yellow tells him that they will be out for a while, due to taking a direct hit from her destabilizing electrokinesis. Blue interrupts and tells them they have to leave before White finds out their plan. Yellow and Blue begin taking Steven, Connie and the Gems to the Pink's ship, but White Pearl stops them, menacingly telling Steven that he's "not going anywhere". White Diamond's ship then begins flying and connects with Pink's.
However, Yellow Diamond and Blue Diamond's ships, repaired and piloted by Bismuth and Lapis and Peridot respectively, attack White and knocks the ships over. Blue tells them to take one of their ships to escape to Earth, with Yellow insisting that they hold off White while Pink escapes. Steven refuses, saying that Pink ran away from them, then started a war with them, and states that it's time to finally just talk to them. Yellow and Blue attach their ships to the Diamond Mech, and Steven forces it to kneel and listen. Finally with White Diamond's attention, Steven tells her that Yellow and Blue are unhappy with the standards she expects, of which Yellow elaborates that though she does everything perfectly, it doesn't seem to ever be enough for White, and that causes a lot of stress for both Yellow and all the other Gems. Blue reminds White that they all used to be close and that Pink's seemingly meaningless actions were to try and keep them together and happy. Blue adds that though her purpose isn't to be happy, she finds it more difficult to enforce White's rules when they make her feel so miserable. Steven asks White once more to allow them inside her head to try and make a new beginning. White Diamond responds by firing beams from her eyes that completely remove the color of both Yellow and Blue Diamond, who then warp into the Diamond Mech.
Later, when the Gem break into Whites ship, Blue and Yellow are still under her control. After Steven breaks through to White, she releases her control of them. They all then go to Earth to cure all of the Corrupted Gems, crashing Sadie Miller's concert. Here, they witness the arrival of Lars and the Off-Colors and after breif interaction, they all come together at Rose's Fountain, healing all of the Corrupted Gems. Afterward, Steven waves goodbye to them, to which Yellow's arm on the Diamond Mech signals a peace sign, and they all go back to Homeworld, leaving Pink's Ship behind.
Yellow Diamond possesses standard Gem abilities, but since she is a Diamond, her abilities are expected to be much greater than other Gems. With Blue Diamond's assistance, she was able to fight Garnet, Bismuth, Pearl, Amethyst, and possibly Lion to a standstill, as well as to "poof" the powerful Lapis Lazuli. In "Together Alone" she dispatched Garnet, Opal, and a Jade fusion instantly and single-handedly.
- Enhanced Strength: Yellow Diamond is notable for her incredible strength, which she uses in combat. With the press of her finger, she "poofed" a Zircon Gem. She could lift a finger of Blue Diamond's ship with one hand, freeing her, and punch her way out of her warship. Her strength is enough to push Steven into the ground and knock him out despite him taking shelter behind a large shield, which attacks as destructive as a warship beam had failed to so much as move in the past.
- Enhanced Speed: Partly due to her size, Yellow is remarkably fast, charging at Steven and attacking him before any of the Crystal Gems could intervene.
- Enhanced Durability: Yellow Diamond has an astouding endurance matched with Blue Diamond's, emerging from her ship completely unharmed after the Cluster slammed it into Blue Diamond's and the ground.
- Spaceship Piloting: Yellow Diamond has a spaceship only she is capable of controlling, until it was repaired by Bismuth, Peridot, and Lapis Lazuli. She is able to use it for combat.
- Aura Projection: The Diamonds can project an aura around them that they can control, they can either radiate it from their entire bodies or emit it from specific parts of their bodies, usually their hands. Yellow's aura is represented as yellow clouds of electricity. She can use this as an offensive ability in both the physical and mental plane, as seen when she was able to focus her aura and attack Steven as he was projecting.
- Light Destabilization: Yellow Diamond can generate powerful electric currents around her entire body and then project it from her fingertips, which are powerful enough to destabilize a Gem's form. This attack functions exactly like a Gem Destabilizer. In "Change Your Mind" it is confirmed that her Electrokinesis can cause a gems reformation to take longer that normal. She can also focus electricity to cut through thick surfaces. In "Together Alone" she demonstrated the ability to rapid-fire her electric discharge. Unlike her fellow ruler Blue Diamond, she appears to use this ability primarily, displaying no other attack methods beyond purely physical ones. Her electrokinesis appears to have its limits, as Blue Diamond was rather resistant to poofing when Yellow was attacking her. This may have been because of how powerful Blue Diamond is, or because Yellow may have been holding back.
- Corruption Induction: Though the attack was meant to obliterate the Crystal Gems on Earth after Pink's supposed shattering; Yellow, Blue, and White Diamond's collective powers instead corrupted the remaining Gems on Earth.
- Corruption Reversal: As demonstrated on Nephrite in "Legs From Here to Homeworld", Yellow Diamond, along with Blue Diamond, Steven (as Pink Diamond), and presumably White Diamond, has the ability to reverse the effects of the Corrupting Light on Gems. However, it is implied that this is only temporary without the power of all four Diamonds.
- Psychic Resistance: Yellow Diamond's aura shields her from telepathic abilities such as Pink Diamond's even without her own awareness, briefly repelling Steven with the sheer intensity of her thoughts. She was also able to locate Steven on the mental plane when he was not in physical contact with her.
- Psychic Blast: While on the mental plane, Yellow Diamond can fire her aura as a beam which induces profound distress in the target; however, despite combining her assault with Blue Diamond's, it was repelled by Steven's own aura.
- Psychic Detection: She is also able to locate others on the mental plane when they aren't in physical contact with her, such as Steven.
- White Capsule Generation: While controlled by White Diamond, Yellow Diamond can create a kind of white capsule around itself or other gems, with several utilities.
- Levitation: While controlled by White Diamond, Yellow Diamond has the ability to, indirectly, suspend her body.
- White Burst: While controlled by White Diamond (probably via the same), Yellow Diamond is capable of shooting, through her eyes, a white energy beam equivalent to White Diamond aura, in which it can also control, mentally, the affected gems.
- When fused with Ice, they form Zaratite (formerly Champagne Diamond).
- When fused with Blue Diamond, they form Green Diamond.
- When fused with Blue Diamond, Pink Diamond, and White Diamond, they form Paragon Diamond.
- When fused with Steven Universe, they form Hilgardite.
♫ Where's their Diamond when they need her, Blue? You've got to be a leader, Blue! ♫
|—"That Will Be All"|
During the trial against Rose Quartz (Steven), Yellow Diamond and Blue Diamond have conflicting views on the trial process; Yellow wants to get it over with and execute Steven, but Blue wants to hear Rose out and learn the truth. Yellow is seen comforting Blue Diamond when Steven unintentionally upsets her. When Yellow poofs the Zircons, Blue Diamond yells at Yellow, demanding she restrains herself.
In "Reunited", when Steven was talking to Blue in the mindscape and Blue said that she thought she heard something, Yellow said that she was being more hysterical than usual, implying that she thought Blue was usually hysterical, at least since the supposed shattering of Pink Diamond.
Once Steven is revealed to possess Pink's Gem, Yellow and Blue seem to have a more cooperative relationship, as seen in "Together Alone" where they both agree that Steven throwing a ball would be the perfect event to mark the beginning of Era 3.
When Blue decides to help Steven and Connie return to Earth, Yellow tells her to return them to the prison tower. Blue refuses, and the two engage in a physical fight that results in Yellow attempting to poof Blue. Steven stops her and makes her realize just how much her actions have hurt Blue and Pink, the two people she cares about most. Yellow breaks into tears as Blue comforts her. The two later work together to help Steven escape Homeworld, and are later seen having fun together along with White at Rose's fountain.
How miserable. I knew Pink couldn't handle her own colony. But, I gave in. And now, I'm to blame for her fate.
However, it is revealed in "Jungle Moon", through Stevonnie's dream flashback, that Pink and Yellow didn't always get along. Due to Pink's passionate, somewhat childish nature, she regularly got in between Yellow and her business, making the latter very annoyed, and forceful at times. She also had no qualms pointing out Pink's faults as a Diamond leader.
In "Can't Go Back" and "Now We're Only Falling Apart", it is revealed that Pink Diamond tried to convince the other Diamonds to let Earth be, through complaining that it was too hard to manage. When Yellow and Blue Diamond dismiss this, Pink Diamond is forced to take drastic measures and fake her shattering.
In "Reunited", when Steven listens to her thoughts, Yellow Diamond appears to blame herself for Pink Diamond's "shattering." Despite her misgivings, she relented and gave her a colony which ultimately led to her fate.
In "Familiar", she states that Pink always managed to make her laugh. Despite this, she appears to envy Pink for gaining more of White's attention than her.
How could you do this to us, Pink? Why did you let us think you were shattered? Why the strange disguise? Why are you doing a voice? Why didn't you say something at the trial?!
|—"Legs From Here to Homewrold"|
She encounters Steven again when she invades Earth alongside Blue Diamond during the events of "Reunited". Steven tries to reason with her, but she is instantly overcome with rage at the mere sight of him. She rushes at him and stomps on down on him hard. His timely defense keeps him alive, and the attack knocks him out and causes him to enter into a psychic plane. Here he manages to make contact with Yellow and Blue, which is initially met with a hostile response. After he projects an aura only Pink Diamond could have used, the two stop their attacks. When Steven wakes up at, Yellow Diamond has a visible look of concern on her face while looking at Steven, now convinced that he is Pink.
During the episode "Legs From Here to Homeworld", Yellow Diamond demands to know why Pink deceived them for so long and why she doesn't return to her original form. Steven tries to explain how his mother's original form was sacrificed when he inherited her gem at birth. Though she doesn't fully comprehend, she understands when he tells her that he has no memories of having ever been Pink Diamond or Rose Quartz. Yellow believes that those out-of-reach memories still exist, and continues to address him as "Pink," leading to a more cordial relationship between the two. She tries to heal Nephrite when Steven requests her to do so but the attempt fails. She tells him that with White Diamond's help the corrupted gems could be healed completely, but the thought of White's reaction to Pink's past actions makes her concerned for his well-being. Yellow Diamond tells Steven that she would talk for Steven when meeting White Diamond because it's likely White Diamond in a fit of rage could bubble Steven for several thousand years. However, White's Pearl takes Steven to White Diamond alone since only "Pink Diamond" is needed.
In "Familiar", Yellow Diamond and Steven speak briefly about how to convince White Diamond to come to Earth so they can heal the corrupted Gems. Yellow states that the two and a half words Steven said to White is a new record, implying that White almost never speaks to anyone. Yellow complains to Steven that it is unfair how he gets to see White Diamond because he has one failed colony, while she has hundreds of successful ones. Steven suggests to Yellow that she should try failing which Yellow responds by laughing hysterically. The fact that Yellow rarely smiles, let alone laughs, shows how comfortable she is around "Pink" (Steven). Steven knows that Blue and Yellow Diamond are dictators but in the song "Familiar" acknowledges the two love him which is why he hopes to change their authoritarian ways.
When Blue frees Steven and Connie and attempts to help them return to Earth, Yellow tells her to return them to the prison tower. She also attempts to stop Steven from freeing the bubbled Crystal Gems, but fails and is attacked by Blue. Later. when Yellow attempts to poof Blue, Steven stops her and makes her realize the error of her ways, in addition to recognizing Steven as his own being. Yellow, along with Blue, later attempts to assist Steven in escaping Homeworld, but are stopped by White. After curing Corruption alongside Blue and White, she directs a "peace" sign towards Steven using her ship before leaving Homeworld.
Due to Yellow Diamond being one of the members of The Great Diamond Authority, she owns a Pearl. Yellow Pearl has a smug grin on her face when Yellow Diamond is talking to Peridot, indicating that she is proud of serving her. When Peridot insults Yellow Diamond, Yellow Pearl is visibly shocked.
Yellow Pearl carries out her duties with ostentatious enthusiasm, but also shows visible fear whenever Yellow Diamond focuses her attention directly on her or becomes emotionally agitated, indicating that she is afraid of her Diamond's wrath.
What do you know about the Earth?!
In "Cry for Help", Peridot sends out a distress signal using the Communication Hub in hopes that Yellow Diamond would send help. However, in "Catch and Release", Peridot claims that she had yet to receive a response from her.
In "Message Received", Peridot is shown gushing over how 'perfect' she thinks Yellow Diamond is. Peridot states that she is very loyal towards her, as Yellow Diamond is her leader. Later in the episode, Peridot uses a Communicator that she took from the Moon Base to communicate with Yellow Diamond. Throughout their conversation, Yellow Diamond appears to be incredibly annoyed by Peridot, calling her out on what it is that she has failed to do. Peridot is able to wave this off in the hope of trying to convince her to terminate The Cluster. After Yellow Diamond refuses, Peridot insults her by calling her a clod and claiming there are things worth protecting on Earth, resulting in Yellow Diamond angrily detonating the communicator Peridot was using. Because of this, she became a traitor to her own kind, therefore making her a Crystal Gem.
They eventually meet again when Yellow and Blue come to Earth to collect the Cluster. Peridot runs up to her asking "Remember me?", expecting her to be enraged by her mere presence. Yellow simply responds "No," before electrocuting her until she poofs.
In "Change Your Mind", however, Yellow no longer seems to have an issue with Peridot.
Jasper and Yellow Diamond's relationship is currently unknown. In "The Return", she states "Yellow Diamond needs to see this" after witnessing Steven using his mother's shield. Jasper is a member of Yellow Diamond's court, wearing the yellow diamond emblem on her outfit. However, in "Message Received", Yellow Diamond is shown to be more concerned with the ship Peridot and Jasper arrived in, suggesting that she views Jasper simply as "a Jasper".
There is a chance that Yellow Diamond may find Jasper significant since she sends a squadron of Rubies to retrieve her.
Upon being cured of Corruption, Jasper attempts to attack Steven under the belief that he is Rose Quartz, but is stopped when Yellow gives her an angry look, before brushing it off with a smile.
Get to the point Agate.
|—"That Will Be All"|
They were with her, of course, they saw the whole thing!
|—Yellow Diamond, "The Trial"|
She was shattered by a Rose Quartz! The entire cut of Gem deserves the same fate!
|—"That Will Be All"|
As of the end of "Reunited", she is now aware that Rose is actually Pink Diamond and was never shattered in the first place.
I've conquered so many worlds for the sake of your empire. I do everything you ask and I do it perfectly. But your very high standards put us all under a lot of pressure. A Gem could crack under so much pressure. We Diamonds may be hard, but we're also brittle.
|—Yellow Diamond to White Diamond in "Change Your Mind"|
Pink, you've gone too far, even for you! Stay here and think about what you've done!
- Diamond is the official modern birthstone for April, and it is also used as an official sixty-year anniversary gemstone.
- Yellow diamonds are considered one of the true birthstones for Virgo.
- Diamonds are the stone of truth and victory.
- It is associated with lightning and fearlessness, and for its properties of protection.
- The diamond, in its rarity and beauty, is a symbol of purity and innocence, of love and fidelity, and embraces strength of character, ethics, and faithfulness to oneself and others.
- Diamond is the transparent, gemstone-quality crystalline form of carbon and it is indeed one of the hardest known natural substances on Earth.
- Diamonds' hardness is the result of extremely strong chemical bonds between the carbon atoms.
- There is no other gemstone in the same family as diamond, although there are a variety of very similar gemstones.
- Diamond is pure carbon and is chemically the same as graphite.
- Although traditional colorless or "white diamonds" are by far the most popular colored diamonds, yellow and brown diamonds are actually the most commonly occurring diamonds.
- Yellow diamonds are used for industrial purposes, such as concrete saws, because of how common they are.
- Other diamond colors include pink, red, orange, blue, green, gray, and black.
- Specific colors will trade under specific names.
- Brown and yellow diamonds are often referred to as "champagne" or "cognac" diamonds.
- Pure, intense yellow diamonds are called "Canary Diamonds"
- Some famous yellow diamonds include Golden Jubilee Diamond, Florentine Diamond, and Cora Sun-Drop Diamond.
- Diamond deposits are found worldwide. The most notable being Africa, Australia, and India.
- Approximately half of the world's diamonds come from Central and Southern Africa.
- Canada has recently become a main commercial source for fine white diamonds.
|Yellow Diamond's gemstone is located on the center of her chest. It has a diamond facet.|
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