-I make these earrings using an antique brass Celtic Knot charm and French hook style ear wires -They measure 1” long -Pick your birthstone out from the dropdown menu, birthstones are crystals from Swarovski® -Nickel free lead free alloy metal -.925 Sterling Silver ear wire upgrade option (if you select sterling, the charm will still be antique brass, only the ear wire will be sterling) -Gift Boxed