This is an authentic DAVID YURMAN Sterling Silver Diamond 5mm Zig Zag Stax Ring 53 6.5 The ring is crafted of sterling silver and features a zig zag band with center row of diamonds, weighing approximately .60 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.