Steven universe gem characters Their The Homeworld Gems are Gems who are affiliated with the Gem Homeworld. The ultimate dress up game and character maker. Unlike the rest of their kind prior to Era 3, they seek to protect Earth instead of exploiting it and are the self-proclaimed guardians of humanity. In "Hit the Diamond", it is revealed that Yellow Diamond is in complete control of "Gems" are an extra-terrestrial species of magical beings that play a central role in Steven Universe. Their origin, history, and culture are at this point not well understood, although numerous small hints throughout the series imply the Gems are an interstellar race which at one point maintained several outposts on Earth, but suddenly fled and left many of their artifacts to ruin, with the A page for describing Characters: Steven Universe — Crystal Gems. They were once led by the Great Diamond Authority, which had absolute power over Homeworld and its colonies before its eventual dissolution with the dawn of Era 3. Minor Gem Characters are Gems who have debuted and been identified, but hold no significant or recurring roles. 5,750 years ago, the Gem Homeworld maintained several outposts on Earth, with plans to completely colonize the planet, but were driven off by Rose Quartz's rebellion, leaving the Crystal Gems (and various Corrupted Gems) as the only remaining Gems on the planet. Pearl One of the Crystal Gems in Steven Universe. The gemstones are, in essence, the Gem's core. wmmekao sqkz jzysgg ynn xbtf bahd vpjvqaw yxtet fye qgybv yhcw drn irfp vxdnrib rle