This is an authentic TIFFANY & CO 18K White Gold,Amethyst, Green Tourmaline, Peridot, Aquamarine, and Rubellite Rainbow Drops Five Stone Necklace. This elegant necklace features a18K white gold chain and pendant that hangs just below the collar with multicolor stones, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.