This captivating men's ring is crafted of scratch resistant Cobalt Chrome material. The band is all high polish with white carbon fiber inlay and 0.04 carat black diamond Stone. The Cobalt material is often used in the medical applications such as prosthetics. Cobalt Chrome Band will not chip, break or shatter. Occasional polishing may be required. All items come with a FREE Ring Box. The Stone is heat treated to improve appearance and durability.