Vintage Tiffany & Co Sterling Silver 18k Yellow Gold Amethyst Band Ring Sz 7.75. This 100% authentic Tiffany & Co ring is crafted of sterling silver with solid 18k yellow gold accents and a cabochon cut natural amethyst in the center. It is in excellent pre-owned condition with little to no surface wear. Professionally cleaned and polished. See pictures. Item will come with a Tiffany & Co pouch! Gender Women's Ring Size 7.75 Ring Weight 3.6 grams Markings T&CO. 925 750 Item Condition Excellent pre-owned condition with little to no surface wear. Professionally cleaned and polished. See pictures Era Vintage