Item #: 1496385 This is an authentic TIFFANY 18K White Gold Diamond Wide Atlas Open Ring size 50 or 5.5. The ring is crafted of 18 karat white gold and features Roman numeral motifs set with round brilliant cut diamonds, approximately .45 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.