Sterling Silver and CZ Trinity Knot Pendant Necklace-Irish Made This sterling silver Celtic Knot pendant measures approximately 5/8" wide (1.6 cm) and comes on an 18" long chain. This necklace was Made in Ireland and comes in a gift box. Intricate knots and weaves can be seen all over Celtic culture. The Book of Kells, an illuminated religious manuscript, has some particularly spectacular examples. These knots and weaves have no beginning and no end, so they are often used to represent the undying quality of love, as well as the Circle of Life.