Tungsten Carbide rings are 10 times harder than gold and five times harder than titanium. The inner band is slightly rounded for a comfortable fit; add reliability and you've got a ring that really delivers. This simple, yet elegant 18k gold IP tungsten ring is a classic piece of jewelry that will never go out of style. The beautiful ring features a distinctive brushed center and polished beveled edges. The band is constructed from high quality tungsten carbide and plated in 18k gold. A very sophisticated and clean appearance with just the right amount of contrast to give that understated touch of class.