Item #: 1402207 This is an authentic DAVID YURMAN 18K Yellow Gold 2.5mm Box Chain Necklace 20". This necklace is crafted of 18 karat yellow gold and features a classic box chain style 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.