This exceptional amethyst commands attention! Generous in size, this gemstone sparkles with juicy hues of violet, fuchsia, and royal purple. A simple setting of 18 karat white gold lets the amethyst be the star of the show. Metal: 18K White Gold Gem: Amethyst 12.20 Carats Gem Measurements: 12.9 x 16.9 mm, Oval Ring Size: 6.25 Marks: "750" Stamped on the inside band