Item #: 34574 This is an authentic TIFFANY & CO Sterling Silver Double Strand Infinity Necklace. This stunning necklace is sterling silver and has a double strand collar length chain with an infinity pendant. This is a marvelous necklace for a one of a kind look, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.