Amethyst is not primarily defined by carat weight; this is different to most gemstones where the carat weight exponentially increases the value of the stone. The biggest factor in the value of amethyst is the color displayed. The highest grade amethyst (called "Deep Russian") is exceptionally rare and therefore, when one is found, its value is dependent on the demand of collectors. It is, however, still orders of magnitude lower than the highest grade sapphires or rubies (padparadscha sapphire or "pigeon's blood" ruby). Amethyst Amethyst is a violet variety of quartz. The name comes from the Koine Greek ἀμέθυστος "amethystos" from
Amethyst (Steven Universe) Amethyst (Steven Universe) Amethyst is a fictional character from the animated television series "Steven Universe", created by Rebecca Sugar. She is voiced by Michaela Dietz. She is a "Gem," a fictional alien being that exists as a magical gemstone projecting a holographic body, and one of the four "Crystal Gems" at the beginning of a series, a group of Gems who dedicate their lives to defending Earth. Her story arcs throughout the series mostly focus on overcoming her low self-esteem, which is mostly due to her feeling physically and intellectually inferior to other Gems. Amethyst's look was redesigned between the