This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond Cruciform Cross Pendant Necklace. The necklace is crafted of 18-karat yellow gold and features a platinum miniature cross pendant set with round cut diamonds, approximately .12 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.