The World Leader in Accreditation
IGI is the world’s first gemological laboratory to hold ISO accreditation in both natural and lab grown diamond grading. The Organization for International Standardization 17025 laboratory competence certification is considered the single most important standard for calibration and testing laboratories across the globe, covering all laboratory environments. IGI is the largest organization of its kind, operating 20 laboratory locations around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones - and 14 schools of gemology graduating thousands of new jewelry professionals each year. Around the world, IGI grading reports bring confidence to buyers and sellers alike.
IGI is the world’s first gemological laboratory to commit to carbon neutrality, joining the Responsible Jewelry Council, International Precious Metals Institute, and Initiative for Responsible Mining Assurance in an association with SCS Global Services for the purpose of mitigating the laboratory’s environmental impact.
Article credit : IGI
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All LITHOS Diamonds are externally graded by the IGI laboratory
Each LITHOS Diamond comes with it's own IGI Certificate
LITHOS Diamonds are laser inscribed with the certificate number
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