Ring size 6 Hallmarked 18K Opal Stone approx: 6-7 ct, measures 15mm x 10mm x 5mm 13 brilliant round cut diamonds 5 marquise cut diamonds graded H-I Color SI in clarity, with approximate total weight of. 85 carat The diamonds are eye clean & lots of sparkle and flash The ring face measures 23.25mm x 15.65mm x 9.50mm Weight 7.4 grams. The item "Vintage Large 18K Solid Yellow Gold Opal Diamond Cocktail Ring" is in sale since Friday, May 19, 2017. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Rings". The seller is "aprililylove" and is located in Gray, Maine.This item can be shipped to United States.