Item #: 437427 This is an authentic David Yurman Sterling Silver 18K Yellow Gold Blue Topaz 13mm Signature Oval Ring size 56 or 7.5. This stunning ring is crafted of a cable style sterling silver band that holds a faceted 18mm x 13mm faceted oval blue topaz stone set in 18 karat yellow gold. This is an excellent ring with the look of distinction only from David Yurman! Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.