This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond Etoile Ball Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a polished orb with diamonds set in platinum, approximately .14 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.