This is an authentic David Yurman Sterling Silver Diamond Blue Sapphire Enamel Stax Wide Stacked Ring 60 9. The ring is crafted of sterling silver and features conjoined bands accented with baguette cut blue sapphires, approximately .18 total carat weight of round brilliant cut diamonds, and blue enamel. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.