Item #: 1320279 This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 16mm Wheaton Ring size 51 or 5.75. The ring is crafted of sterling silver and features a faceted black onyx framed lengthwise with diamonds, approximately .13 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.