A 6mm band ring in white gold with a 4mm round black diamond . The white gold band is available in most ring sizes. Details for this ring are provided at http://www.jewelat.com/shop/home/280-black-diamond-white-gold-band-RN0005-GW-10.html http://www.jewelat.com/shop/home/280-black-diamond-white-gold-band-RN0005-GW-10.html