This stunning tungsten carbide ring has three genuine black diamonds set in stainless steel bezel settings along the center of the ring. The total carat weight for all three diamonds is 0.1 carat. The surface of the ring is slightly domed, with a high polish ridge at the center of the ring and ribbed edges. The surfaces next to the diamonds are finish in matte finish. It is made in comfort fit and manufactured with nickel binder so it is comfortable and safe to wear. Our lifetime warranty covers any damaged done to the ring, including the black diamonds. All diamonds (and black diamonds) used on our jewelry are untreated and conflict free.