Year: 1990 This is an authentic TIFFANY 18K Yellow Gold Diamond Signature X Ring size 53 or 6.25. This elegant ring is crafted of 18 karat yellow gold with an X accented with an approximate total carat weight of .14 ctw in sparkling diamonds. This timeless piece will bring a special style to any look, from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.