Year: 2020 This is an authentic DAVID YURMAN Sterling Silver Diamond Blue Topaz 8mm Chatelaine Ring 54 or 6.75. This ring features a blue topaz faceted 8mm stone and is crafted of sterling silver with a prong setting, and accented with diamonds .03ctw. at the corners. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.