This is an authentic TIFFANY 18K Yellow Gold Diamond Atlas Pierced Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a circle Atlas motif with Roman numeral cutouts alternating between bezel set round brilliant cut diamonds, approximately .01 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.