Item #: 1712850 This is an authentic DAVID YURMAN Sterling Silver Black Diamond 8mm Curb Chain Necklace. The necklace is crafted of sterling silver and features a curb link chain pave-set with round cut black diamonds, approximately 4.86 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.