A One-Of-A-Kind Emerald-Cut Rich Purple Amethyst & Diamond Ring by Alexandra Mor. A One-of-a-Kind 68 carat rich purple with rose flashes, Emerald-cut Amethyst ring set with Alexandra Mor’s signature details of 1mm knife-edged wire and 1.40 carats of 1mm ‘floating’ Diamond melee. Signed by artist. Crafted in the USA. One-of-a-Kind 1/1.