Irish Sterling Silver Claddagh Heart & Shamrock Earrings by Boru Stunning Sterling Silver Irish Shamrock & Claddagh Heart Earrings. Made by the renowned Boru Jewelry. Boru Jewelry strive to be the True Kings of their craft. Handcrafted to the highest standards with meticulous attention to detail, whether for yourself or for a loved one, each piece will be cherished. Hallmarked at the Assay Office in Dublin Castle, Ireland and presented in a gift box. Each earring measures 0.39 x 0.39 Inches (1 x 1cm). Designed in Ireland and delivered from Ireland within 6-9 Days - Free Irish gift with every purchase.