Item #: 1513573 This is an authentic DAVID YURMAN Sterling Silver Diamond Blue Topaz Chatelaine Station Necklace. The necklace is crafted of sterling silver and features an oval blue topaz cabochon held by pave-set diamond prongs, approximately .07 total carat weight, Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.