This is an authentic DAVID YURMAN Sterling Silver Green Onyx 18mm Osetra Ring 54 7. The ring is crafted of sterling silver and features an elongated cushion cut green onyx stone framed by two rows of faceted round green onyx beads atop a tapered band. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.