Natural Gems Only: 100% Earth Mined No Synthetics, No Simulants Full Disclosure of Any Treatments * MM size is the best measurement to select the right gemstone size. All gem carat weights are approximate. 100% Satisfaction Guarantee - Superior Quality - Free Matching Service Gemstone Report Natural Sapphire Species: Corundum Shape/Cut: Round Faceted Quality: AAA Clarity: VVS-VS Color: Fine Blue-Green Polish: Excellent RI: 1.76 Specific Gravity: 4 Hardness (Mohs): 9 Treatment: Heat Only (Standard) Origin: Montana, USA Guarantee With this gemstone we guarantee all grading, treatment disclosure and competitive pricing. We believe in and follow full treatment disclosure of our gemstones. 100% satisfaction guaranteed. We back this gemstone with a no questions asked 30 day return policy. All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading. Listing and template services provided by inkFrog