The product is a beautiful 15.90 ct. oval-shaped natural bluish green Grandidierite loose gemstone with excellent cut grade and eye clean clarity. Sourced from Madagascar and treated as not enhanced, this gemstone exudes a unique asterism effect. This wholesale unit from India is known for its vibrant green color and translucent nature, making it a desirable piece for jewelry and watch making. With dimensions of 19 mm in length, 14.1 mm in width, and 9 mm in depth, this gemstone is perfect for adding a pop of color to any jewelry creation.