This is an authentic DAVID YURMAN 18K Yellow Gold Blue Topaz 4mm Chatelaine Chain Bracelet. The bracelet is crafted of 18 karat yellow gold and features a delicate chain holding a single 4mm faceted blue topaz. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.