Traditional and Unique Celtic Cross pendants and necklaces. The Celtic cross is an ancient Irish symbol of worship and spirituality. Our stunning selection of Celtic cross jewelry gifts are hand crafted in Ireland in sterling silver, 10k and 14k Gold. Show your Irishness wear Irish Claddagh Celtic Jewelry from Jewelry of Ireland. Every piece Hallmarked in Dublin Castle Assay office, your guarantee of quality and all shipped from Ireland. 60 Day money back guarantee.