This Montana sapphire is Indescribable I mean incredible. The color is excellent it is a blue green parti bi-color from Montana I mean how much better could you get. The cut is absolutely fantastic causing a incredible amount of luster. This Sapphire is heat treated that's what caused the amazing bi-color that this stone is. The clarity is VS so excellent your not seeing flaws in this one without loupes or microscopes. The dimensions are 7.1mm perfect for a ring.