Black Gem Ceramic with Gold Overlay Band 12mm 2mm The cobalt chrome band gives

The cobalt chrome band gives the ring a sleek and modern look

Two-Millimeter Wide Black Gem Ceramic Band with comfort fit inside

Three-Millimeter Wide White Gem Ceramic Band with comfort fit inside

Crimson Red color and Dome profile

Jet Black color and Peak profile

Black Gem Ceramic with Gold Overlay Band 12mm 2mm The cobalt chrome band givesThe Black Gem Ceramic with Gold Overlay Band is a 12mm wide ring. The black gem ceramic used in this ring is a high tech material, often used in various high tech fields such as aerospace, automotive, and medical industries due to its high strength, hardness, and durability. Matte finish.