This is an authentic DAVID YURMAN18K Yellow Gold 4mm Madison Chain Necklace 16". The necklace is crafted of 18 karat yellow gold and features a hollow chain with alternating polished and cable style links, finished with a lobster clasp. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.