This is an authentic TIFFANY 18K Yellow Gold 5 Station Diamonds by the Yard Necklace. The necklace is crafted of 18 karat yellow gold and features five bezel set diamonds weighing approximately .75 total carat weight. This is a stylish necklace with the classic style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.