This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Black Onyx Gray Mother of Pearl Reversible Elements Necklace. The necklace is crafted of 18 karat yellow gold and features a box chain holding a pendant composed of a round disc set with carved black onyx on one side and mother of pearl on the other, along with a smaller round disc of pave-set round brilliant cut diamonds, approximately .12 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.