Item #: 288778 This is an authentic TIFFANY 18K White Gold Diamond Atlas Key Pendant Necklace. This charming key pendant necklace is crafted of 18 karat white gold in the design of a key with Roman numerals and diamonds. This is a stunning piece with the unforgettable style of Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.