Item #: 1110019 This is an authentic TIFFANY 18K Yellow Gold Citrine 12mm Paloma Picasso Sugar Stacks Ring 47 4. The ring is crafted of 18 karat yellow gold and features a 12mm polished citrine stone atop a gold band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.