This is an authentic DAVID YURMAN Sterling Silver Blue Topaz 10mm Chatelaine Earrings. The earrings are crafted of sterling silver and feature a 10mm blue topaz stone encased in a twisted cable style setting with 14 karat white gold posts. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.