Item #: 139412 This is an authentic TIFFANY & CO 18K White Gold Diamond Infinity. This ring is made of 18K white gold and has a 6mm crossover effect with 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.