This is a really incredible Montana sapphire it has a natural flaw but with the excellent cut it just doesn't matter this sapphire rocks. The color is a beautiful powder blue and this sapphire is all natural no treatments of any kind. The measurements are 6.83mm perfect for a beautiful ring. The flaw is hard to see with the naked eye but it is there making this SI clarity. Netting you a amazing deal for the price and quality of this stone this is a show stopper. This all natural beauty weighs 1.57ct and was cut into a stunning frosti cut by Mike Soebbing