Classic Celtic Knot Ring in Sterling SilverSolid Sterling Silver Celtic Knot Ring with open Celtic Knotwork. The Celtic Knot is a traditional Irish design going back hundreds of years. The symbolism of the over & under loops has been used on jewelry by the Irish people and exhanged by loved ones for centuries. The traditional Celtic Knot can be used to honor a friendship and a love between family, friends and partners. People would often have Celtic knotwork on their jewelry to make it an