This is an authentic David Yurman Sterling Silver 18K Yellow Gold Blue Topaz 13mm Signature Oval Ring size 52 or 6. This ring is crafted of sterling silver and 18 karat yellow gold and features a cable style band set with a faceted oval blue topaz. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.