Item #: 1121879 This is an authentic DAVID YURMAN 18K Yellow Gold Diamond Blue Topaz Novella Ring 52 6. The ring is crafted of 18 karat yellow gold and features a blue topaz stone at the center and a narrow band with two diamond stations weighing approximately 0.04 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.