This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Lexington Chain Toggle Necklace. The necklace is crafted of 18 karat yellow gold and features alternating different sized links and a removable enhancer pendant, and pave-set round brilliant cut diamonds of approximately .43 total carat weight. The necklace also features a hidden clasp at the back. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.