This product is a 0.98 carat Mahenge Spinel gemstone in a pear shape. It is 100% natural, unheated, and untreated. The gemstone is transparent and of excellent cut grade. It comes from Tanzania, United Republic of, and is eye clean in clarity. The gemstone measures 4.4mm in length, 7.5mm in width, and 3.5mm in depth. The brand is Luckygems International and certification is available upon customer request.