This is an authentic DAVID YURMAN Sterling Silver 18K Yellow Gold Blue Topaz Stackable Ring 53 6.25. The ring is crafted of sterling silver in the signature twisted cable style band with a faceted blue topaz stone set in 18 karat yellow gold. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.