Natural Mozambique Extra Fine Rich Vivid Red Ruby - Round Diamond Cut - AAA+ Grade Natural Ruby Species: Corundum Shape/Cut: Round Diamond Cut Quality: AAA+ Size: 1.5mm - .02ct Clarity: VS Color: Fine Rich Vivid Red Polish: Excellent RI: 1.76 Specific Gravity: 4 Hardness (Mohs): 9 Treatment: Heat Only (Standard) Origin: Mozambique 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. All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading.