Explore our Celtic Trinity Knot necklace collection, inspired by the Trinity Knot symbol, which the ancient Celts used in their manuscripts and later adopted by Christianity to represent the Holy Trinity. Each Trinity Knot necklace features the "with no beginning and no end" Trinity Knot, also known as the Triquetra symbol, which carries deep cultural and spiritual significance, making the Trinity Knot Necklace an ideal gift to celebrate a lifetime commitment and Irish heritage. You may also like our Celtic Knot necklaces, inspired by the Celtic knotwork design.