Irish necklaces, Celtic knotwork pendants & necklaces. These Irish and Celtic design pendants and necklaces make a great accent piece for any outfit. They are fine crafted and made from silver, gold, copper, pewter and other organic and preciouse materials. As pieces of Celtic jewelry, they evoke the anicent Celtic world. Celtic crosses, shamrocks, trinity knots, claddaghs, trinities animal, god & goddess designs to name a few.