This is an authentic TIFFANY & CO 18K White Gold Diamond Atlas Pierced Ring in a size 48, 4.5. This stylish ring from the Atlas Collection, identifiable by its graphic Roman numerals, is crafted of 18 karat white gold and diamonds. This is a unique ring for a distinctive look, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.