Elegant and Rich in color. This Rainbow Topaz is flanked by two lovely prong set white topaz gemstones on each side and set on a .925 sterling silver setting. A very simple yet classic piece great for any occasion and a must have for any jewelry collection. Two round white topaz stones measure 3MM in size and weigh 0.22 carats in total. Gemstone measures 8mm, Gemstone weighs 2.50ctw. The approximate measurements: 8x8mm head, 2mm band width. The ring comes in a standard size 7 and can be re-sized by a local jeweler if necessary or by calling our customer service department and requesting a custom size.