Crystal is mouth-blown and hand cut in Waterford City Ireland. Sterling silver chain, chain length 55cm/22inch hallmarked in Dublin Castle. Celtic Knot is a common symbol found in Ireland. It appears in old manuscripts such as the Book of Kells stained glass windows and on Celtic crosses and monuments from the early Christian period. To the Celts it was a symbol of life, standing for Earth, Wind and Water. Later it came to represent Mind, Body and Spirit. Others believe it stands for Past, Present and Future. Representing the three promises of a relationship, to love honor and protect.