Item #: 1770839 This is an authentic DAVID YURMAN Darkened Sterling Silver Black Onyx Hematite Quatrefoil Bead Chain Necklace. The necklace is crafted of darkened sterling silver and features quatrefoil motifs between polished hematite and black onyx bead stations. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.