This is an authentic DAVID YURMAN Sterling Silver 18K Yellow Gold Black Onyx Ring 54 7. The ring is crafted of sterling silver and features a faceted black onyx center set with 18 karat yellow gold and accents and band half set with round cut diamonds, approximately .22 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.