Diana Diamond

"All of us used to live together happily in Gemstonia and we once even saved the Earth together with our combined powers. It was only after we saved the Earth that we went about our separate ways."

- Diana Diamond to the gang about the gemstones' origins Diana Diamond is a main character from Quest of the Legendary Rainbow Gem. She is the beautiful princess of Gemstonia, who has been constantly captured by the Devil so that he can turn her into gold. She is roleplayed by PeaVZ108.

Appearance
Diana Diamond has a diamond-shaped body, red velvet lipstick and light purple eye shadows. She wears a gold crown with red and blue gem shards on her head. She has light grey arms and limbs as well.

History
In "Diamond Disaster", the gang locate Diana Diamond trapped in a cell with the help of Amelia Amethyst's magic. However, they soon have suspicions on her as they find her behaviour rather peculiar, pointing out her rudeness and her unexpected knowledge of Amelia Amethyst's magic. It is later revealed to be a set-up, as the Diana Diamond the gang found turned out to be one of the Devil's minions, who is an expert of ventriloquy. The real Diana Diamond is about to be turned into gold, but with Toby Topaz's berserk superpower, the gang manage to help her escape while turning the tables on the Devil by replacing her with the fake princess, causing the Devil to get a bad luck charm after dipping the fake princess into his solution. Diana Diamond then reveals that she can fight on her own, as well as the fact that all the gemstones used to live in Gemstonia.

In "Rainbow Gem vs. the Forces of Evil", Diana Diamond forgets the incantation to arise the Legendary Rainbow Gem, only to remember with the help of Star Butterfly.

Kyoji
The two share a mutual relationship, and look out for one another during their final confrontation against Shogo the Warlord.

Starcade
Diana Diamond does not seem to mind helping Starcade, who on the other hand appreciates it a lot.

The Gemstones
Diana Diamond appears to be the leader of the gemstones, caring for each and every one of them, to the point when even Toby Topaz reveals his superpower just to save her and Emma Emerald shows respect to her, despite her position as queen.

Trivia

 * Diana Diamond is the only gemstone to stay in Gemstonia after their first battle in Earth.