So unique, this intriguing gemstone ring makes a distinct impression. Crafted in sterling silver, this handsome design features a 10.0mm octagon-shaped, faceted black onyx Center stone wrapped in a diamond-accented frame. The sculpted shank adds interest and completes the striking style. A special look for any occasion, this ring is buffed to a brilliant luster. Custom-made to fit his ring size. Sterling silver bands cannot be resized after purchase.