This is an authentic DAVID YURMAN Sterling Silver Diamond 3mm Madison Toggle Chain Necklace. The necklace is crafted of sterling silver and features 3mm oval links finished with a toggle clasp pave-set with diamonds, approximately .25 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.