Sapphire Tungsten and Titanium 8mm Matte Black Two-Tone Finish with Genuine Black Diamond Comfort Fit Wedding Bands Rings for Men, .25 cttw, Size 11 Patented Sapphire Tungsten is the next generation wedding band combining Tungsten Carbide with Genuine Sapphire and other High-Strength Alternative Metals Genuine Black Diamonds set in a matte black and titanium finish men's wedding ring Scratch Resistant; Shatter Resistant Comfort Fit Imported All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free