Item #: 354625 This is an authentic TIFFANY 18K Yellow Gold Celtic Knot Ring size EU 48, US 4.5. This 18 karat yellow gold ring is designed in a twisted Celtic knot style. Enjoy this alone or stacked with others for a unforgettable look from Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.