Sleek and sophisticated, this gemstone signet ring is the right anytime gift for him. Crafted in sterling silver, this wide tapered style showcases a flat-topped bezel-set 16. 0 x 12. 0mm oval-shaped black onyx cabochon. An elegant choice, this comfort-fit design is buffed to a brilliant luster. Custom-made to fit his ring size. Sterling silver rings cannot be resized after purchase.