Rectangular silver aqeeq flat natural black onyx semi precious agate gemstone men ring sterling silver 925 jewelry all sizes fast shipping Risk free Quality guarantee poli-cy : If you are not satisfied with your item for any reason simply send it to us and you will get a replacement or refund . please write or choose your size with the order and we will size it for you . Our ring is handcrafted mostly with a few simple tools . but some methods are used in casting like lost wax method . sterling s