This black sapphire gemstone men's band is crafted in brown tungsten carbide. It features a low dome profile and flat edges and has a comfort fit interior, making it ideal for everyday wear; Black sapphire: 1.875 total carat weight; Brown tungsten; 8mm; Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; Imported