Item #: 782590 This is an authentic TIFFANY 18K White Gold Diamond .17ct Frank Gehry Torque Ring 48 4.5. The ring is crafted of 18 karat white gold and features an abstract setting with a single round brilliant cut diamond weighing approximately .17 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.