Item #: 658501 This is an authentic TIFFANY 18K White Gold Diamond Atlas Key Pendant. The pendant is crafted of 18 karat white gold and features Roman numeral cutout motifs and a halo of sparkling diamonds, approximately .04 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.