This Montana sapphire is incredible! The color is the top blue heated color most people expect from a sapphire. The cut is a beautiful shallow trillion allowing for a setting that doesn't stick out and catch on clothing. Usually a shallow cut hurts a stone performance this stone still preforms great with excellent luster. This is VVS clarity and heat treated. Heat treaiis industry standard and 95% of all sapphires are heat treated so it doesn't hurt the value. The measurements are 9.1x8.9mm perfect for a ring.