Item #: 1787518 This is an authentic TIFFANY 18K Rose Gold Diamond Double Row Knot Ring 50 5.25. The ring is crafted of 18 karat rose gold and features a knot motif set with round brilliant cut diamonds, approximately .31 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.