This is an authentic DAVID YURMAN Sterling Silver Black Onyx Pave Diamond 20mm Cushion On Point Ring in size 51.5 or 6. This stylish ring is a sterling silver, double cable style band with a striking cushion cut black onyx stone adorned with pave diamond quatrefoils at the corners for a total carat weight of .08. This is an lovely ring with a look of distinction only from David Yurman! Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.