This is an authentic DAVID YURMAN Sterling Silver Diamond Hampton Blue Topaz 15mm Stax Five-Row Ring 57 8. The ring is crafted of sterling silver and features five stylized bands set with blue topaz, and pave-set diamonds weighing approximately .17 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.