This product is a beautiful 0.66ct natural green Tsavorite loose gemstone from Tanzania, United Republic of. It is cut to an oval shape and has a good cut grade, with a gemstone clarity grade of VS. The gemstone has not undergone any treatment and is 100% natural. It is perfect for jewelry and watch making, and comes with certification upon request. The brand is NATURAL GEMSTONE and it is a unique addition to any gemstone collection.