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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.

The World leader in Lab Grown diamond grading

  • The value of a precious stone is determined by its gemological makeup, natural rarity and finished quality. Gemstones of similar appearance can have notably different values. In the modern world, even experts require specialized tools to detect treatments, enhancements and synthetics.IGI screens every gemstone using state of the art technologies to determine naturally mined, laboratory grown or simulant origin. Experienced graduate gemologists conduct further assessment in controlled conditions, detailing relevant gemological characteristics according to the strictest international system.
  • Precious stones should only change hands when all parties are confident in the details. Regardless of location or marketplace, an IGI report is the common language of trust in the gemological world, and an essential part of any transaction. 
  • IGI's supreme position in the gemological world is no coincidence. It is the result of continuous research, support and synergy with professionals and consumers 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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LITHOS DIAMOND
 IGI PARTNERSHIP

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