This is an authentic TIFFANY 18K Rose Gold Diamond Wide Atlas Pierced Ring 51 5.75. The ring is crafted of 18 karat rose gold and features a pierced Atlas Roman numeral motif between bezel set diamonds weighing approximately .02 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.