Celtic jewellery UK in solid sterling silver and a selection of Gold Celtic Knot Jewellery. Beautifully designed celtic necklaces, pretty celtic bracelet jewelry and celtic earrings. All of our Celtic jewellery comes with a presentation gift box. A range of Celtic jewellery is handmade here at Silverfire UK. View our full range of Celtic Knot Jewellery below. Includes Irish Shamrock and Claddagh designs, Triquetra and Celtic Trinity to unusual Celtic Knot designs.