Item #: 678174 This is an authentic TIFFANY 18K Yellow Gold Malachite Schlumberger Egg Charm. This exquisite pendant designed by Jean Schlumberger features a polished green malachite stone tied with an 18 karat yellow gold ribbon. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.