Item #: 1603882 This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 14mm Chatelaine Ring 57 8. The ring is crafted of sterling silver and features a faceted 14mm black onyx and diamonds, approximately .29 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.