Item #: 1159774 This is an authentic TIFFANY 18K Rose Gold Tanzanite Jewel Box Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features an open square motif set with an emerald cut tanzanite stone. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.