Item #: 1630410 This is an authentic TIFFANY 18K Rose Gold Diamond .20ct Double Bow Ring 51 5.75. The ring is crafted of 18 karat rose gold with a double bow motif set with round brilliant cut diamonds, approximately .20 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.