Round Opal cabochon 14k gold ring. For Sale at 1stDibs Yellow Gold Opal Men's Ring 10k Oval Cabochon 2.80ct Solitaire Size 18ct Gold Ring set with a Cabochon Black Opal (88Y) The Antique 18ct Gold Ring set with a Cabochon Black Opal (88Y) The Antique White Gold Opal Diamond Ring 14k Oval Cabochon 2.55ctw For Sale at Round Opal cabochon 14k gold ring. For Sale at 1stDibs. Size 7. 5 Materials: 10K gold, opal Condition: excellent Box shown for display purposes only, not included nor for sale, but ring will ship in a lovely new cushioned ring box that is perfectly suited for presentation. More Vintage & Antique Jewelry here. Select ShopPay at checkout and pay in 4 interest free installments but receive your item straight away!