This is an authentic TIFFANY 18K Yellow Gold Amethyst Citrine Tourmaline Aquamarine Link Chain Necklace. The necklace is crafted of 18 karat yellow gold and features a curb link chain set with an assortment of gemstones including citrine, aquamarine, amethyst, pink tourmaline, and green tourmaline. This is a chic 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.