This is an authentic DAVID YURMAN Titanium Sterling Silver Black Diamond 6mm Streamline Band Ring 63 10.25. The ring is crafted of sterling silver and black titanium and features a single black diamond set in the middle of the band weighing approximately .10 carat. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.