Item #: 274817 This is an authentic TIFFANY & CO 18K Yellow Gold Atlas Ring in a size 49.5 5. This stylish ring from the Atlas Collection is identifiable by its graphic Roman numerals and is crafted of 18 karat yellow gold. This is a lovely 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.