This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 8mm Petite Cerise Ring 52 6. The ring is crafted of sterling silver and features a 8mm black onyx and a halo of diamonds, approximately .21 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.