This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Black Onyx 16mm Wheaton Ring 54 or 7. This chic ring is crafted of cable style18 karat yellow gold bands with a faceted black onyx, surrounded by pave diamonds approximately .15 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.