This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Chrysoprase Chatelaine Linear Y Necklace. The necklace is crafted of 18 karat yellow gold and features an adjustable box chain with green chrysoprase stations embellished with round cut diamond prongs, 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.