Item #: 1620889 This is an authentic DAVID YURMAN Sterling Silver Diamond Onyx 11mm Chatelaine Ring 53 6.5. The ring is crafted of sterling silver and features a faceted black onyx and diamond accented prongs, approximately .05 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.