This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Black Onyx Carved Quatrefoil Necklace. The necklace is crafted of 18 karat yellow gold and features a box chain holding a quatrefoil pendant set with carved black onyx and pave set diamonds, approximately .10 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.