Stainless Steel Polished Black Ceramic Inlay Cubic Zirconia 9.00mm Band Ring - In Solid Stainless Steel - Ring Size Options: 10.5 11 11.5 12 12.5 13 7 7.5 8 8.5 9 9.5 [ Potential Enhancement Methods: cubic zirconia ] - Synthetic. Some are covered with a product that makes the stone more durable. [ Care and Handling: cubic zirconia ] - Clean with warm soapy water and a soft cloth.