Item #: 121936 This is an authentic TIFFANY & CO 18K White Gold Diamond Aquamarine Atlas Ring 6.5. This ring is made of 18k white gold and has 2 aquamarine stones and a diamond. This is a marvelous ring to add to your collection from Tiffany and Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.