A modern update on a true classic, this unique domed black diamond tungsten wedding band is a stunner. In 6mm and 8mm widths, the Spartan's high polished finish is contrasted beautifully by its round black diamond(0.06 ctw). It's a truly elegant tungsten wedding band for either men or women. Unlike other tungsten rings online, our Tungsten Forever™ bands are independently tested to guarantee they are the toughest of them all! Lifetime Sizing, Lifetime Warranty.