Ring Width: 8mmInlay Width: 2mmFinger Size: 5–13.5Ring Material: Black CeramicInlay Material: 18K Yellow GoldFinishes: Polish, StoneBlack Diamond Ceramic Grooved Edge Band, 2mm 18K Yellow Gold Inlay and Stone FinSKU: RMCA006124$1,170.00PriceSize*SelectQuantity*Add to CartBlack Diamond CeramicBlack Diamond Ceramic is among the hardest materials known to man. It’s extremely scratch resistant, light weight and comfort fit.