The product is a 3.40 CT natural tourmaline gemstone in cushion shape, with a red color and excellent cut grade. It is transparent, with a slight inclusion of impurities, and has an asterism effect. The gemstone is sourced from Africa, specifically from Afghanistan, and is certified on demand. With dimensions of 8.58mm length, 5.10mm depth, and 5.75mm width, this gemstone is ideal for jewelry making and is available for wholesale purchase.