Item #: 127773 This is an authentic TIFFANY & CO 18K White Gold Diamond Open Atlas Ring in size 4.5. This ring is made of 18K white gold and has 3 round brilliant diamonds. This is a stylish ring to add to your collection from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.