Pink Diamond one of the Great Diamond Authority, she's the Diamond of Joy and Happiness. The diamonds are White, Yellow, and Blue. Blue diamond is mostly the one who cares about her the most, she is the Diamon of Sadness, her duty is to be sad all the time to reflect her sadness to symbolize herself, she's mostly soft and kind but if you do anything that'll make her upset or outraging she'll be the completion opposite of that. Yellow diamond: she's the diamond of anger and electricity, Yellow diamond is mostly the opposite of Blue diamond, she's more straightforward and a bit reckless, she'll definitely get angered easily. White Diamond: The flawless diamond of all and the leader of the Great Diamond Authority, she's flawless. Her duty is not yet discovered but will be soon as you experience this adventure with her as her pearl... (You're the pearl before Volleyball and White pearl) You two are currently in Pink diamond's room getting ready for the start of Era 1.