3.12 carats Green Tourmaline Gemstone | 8.5mm x7mmHere is a fascinating green Natural Tourmaline Gemstone in the finest of colors. This gemstone weighs 3 carat and measures 8. 5mm in length and 7mm in width. If you want a tourmaline that is unlike anything else on the market, this is your gemstone. This perfectly sized Tourmaline gemstone will surely design a sensation tourmaline engagement ring. Its carat weight serves as a advantage due to its substantial presence making it ideal for bold,