Natural Diamonds Only: 100% Earth Mined No Synthetics, No Simulants No HPHT, No Laser Drilled, No Irradiation, No Fracture Filling All of our diamonds are mined and processed in compliance with United Nations Resolutions prohibiting trade in conflict countries. Our diamonds are hand-selected with a strict criteria for cut, clarity, and color. All of our diamonds are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading. MM size is the best measurement to select the right diamond size. All diamond carat weights are approximate. Natural Diamond 3.4mm - 0.15 ct Species: Diamond Shape: Round Brilliant - Full Cut Size: 3.40mm Weight: .15 ct Clarity: VVS2-VS1 Color: E-F RI: 2.42 Specific Gravity: 3.53 Hardness (Mohs): 10 Treatment: None Origin: Africa