This is an authentic TIFFANY 18K White Gold Diamond Atlas Pierced Ring 51 5.75. The ring is crafted of 18 karat white gold and features a pierced Roman numeral motif alternating between four bezel set diamonds, approximately .02 total carat weight. This is a classic ring with the signature style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.