Year: 1983 This is an authentic TIFFANY 18K Yellow Gold Black Onyx Paloma Picasso Dome Ring size 50 or 5.5. This stylish ring is crafted of 18 karat yellow gold and features an oval black onyx stone. Enjoy this ring for an unforgettable look only from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.