This is an authentic TIFFANY Platinum 18K Yellow Gold Diamond Schlumberger Ten Stone Cross Pendant Necklace. The necklace is crafted of platinum and 18 karat yellow gold, and features a cross pendant accented with 'X' motifs and prong-set round brilliant cut diamonds, approximately .35 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.