A 6mm band ring in 925 sterling with a 4mm round black diamond . The 925 sterling band is available in most ring sizes. Details for this ring are provided at http://www.jewelat.com/shop/home/283-black-diamond-925-silver-ring-RN0005-SV-10.html
http://www.jewelat.com/shop/home/283-black-diamond-925-silver-ring-RN0005-SV-10.html