KAI | Black Ceramic Ring, Cocobolo Wood Inlay, BeveledBeveled Black Ceramic Ring with Cocobolo Wood Inlay. This exotic style from our Black Ceramic Rings line is truly as unique as beautiful. The ring style is made of high tech scratch resistant black ceramic and has a beautifully dark Cocobolo wood inlay. This comfort fit band has beveled edges and comes available in an 8 mm width. This Ceramic ring is the ultimate gift you can present to express the strength of your affection, which words alone cannot.