DescriptionH. Stern Tourmaline, Diamond, 18k White Gold Ring. Featuring one emerald-cut green-blue tourmaline weighing approximately 12.50 cts., flanked by six single-cut diamonds weighing a total of approximately 0.35 cttw., set in an 18k white gold mounting. {Size: 5 1/2, Gross Weight: 5.7 dwts}