Mysticdrop 0.06-0.08 Cts Black Diamond 8 mm Ridged Tungsten Wedding Band with Carbon Fiber Center-12.0 Great men's gift option. The Tungsten ring has a AA quality conflict free Black Diamonds; the surface of the stones is fairly clean, have a nice black color and a proportionate cut. Tungsten is becoming popular jewelry as it is sturdy, scratch resistance and cheap. 30 Day No questions asked Return Policy Free-Shipping within US Men's Jewelry/ Wedding Ring