This is an authentic TIFFANY & CO 18K Rose Gold Diamond Atlas Pierced Ring in size 5.75. This stylish ring from the Atlas Collection, identifiable by its graphic Roman numerals, is crafted of 18 karat rose gold. This is a marvelous 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.