Sterling Silver and Emerald Shamrock Cross Necklace-Irish Made Shamrock necklace measures approximately 7/8 wide and 1  tall on an 18 long standard chain. Crafted from sterling silver with an Irish green emerald. Nickel and allergy free. Comes in a gift box for easy gifting. Made in Co. Dublin, Ireland by Solvar and hallmark stamped at Dublin Castle for authenticity.