This product is a 2.50 carat natural bio color tourmaline loose gemstone from Afghanistan. The gemstone is transparent, with a bi-color/multicolor hue, and is cut into an emerald shape. It has a very good cut grade, is eye clean in clarity, and measures 9mm in length, 5mm in depth, and 6mm in width. This gemstone is a unique and beautiful piece that would make a great addition to any jewelry or watch collection.