The lovely February birth stone is instantly recognizable as it is among only a few naturally occurring purple stones. These February birthstones have long been prized by royalty for the gem's vibrant natural purple color. Our amethyst birthstone collection sets these gems into precious platinum, resulting in some of the most elegant personalized eternity bands one could find. In legend, amethyst jewelry is thought to bring about pleasant dreams when worn to bed or placed under a pillow.