Lady's 18K White Gold Blue Topaz, Diamond, & Sapphire Cocktail Ring Ring Size: 6.5 (Can be Resized to Fit Most Any Finger.) Contains: One Natural Oval Cabochon Cut Topaz. Weight Approx: 12.00ct, Color: Blue, Origin: Brazil. Forty Natural Round Brilliant Cut Diamonds. Weight Approx: .50cttw, Color: G-H, Clarity: VS / VS2. Eighty Natural Round Brilliant Blue Sapphires. Weight Approx: 3.10cttw, Color: Blue. Thirty-Two Natural Round Brilliant Cut Topaz. Weight Approx: 1.00cttw, Color: Blue.