Natural Gems Only: 100% Earth Mined No Synthetics, No Simulants Full Disclosure of Any Treatments Our gemstones are hand-selected with a strict criteria for cut, clarity, and color. 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 Amethyst Species: Quartz Shape/Cut: Round Brilliant Clarity: VVS-VS Color: Fine Vivid Purple Polish: Excellent RI: 1.54 Specific Gravity: 2.65 Hardness (Mohs): 7 Treatment: Heat Only (Standard) Origin: Brazil 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