The real thing. This huge, genuine amethyst rock is a bold and breathtaking piece. Your own status symbol cocktail ring with an emerald-cut amethyst stone weighing approximately 16 carats and measuring 18x13 millimeters. Stone is clear and sparkling set in sterling silver. Each stone is hand cut and set. Attention getter and conversation piece! These rings may be resized by your local jeweler. Size 7 ring.