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[Contact](https://www.igi.org/contact-us/) [Verify Report](https://www.igi.org/verify-your-report/) [](https://www.igi.org/igi-acquires-agl-expanding-its-global-footprint-in-colored-gemstone-certification/) # One of the World's Largest Independent Grading and Accreditation Services Providers ### With 31 laboratories and 18 schools in 10 countries, IGI employs a global workforce of experts and educators dedicated to industry service and consumer protection. [Verify Your Report](https://www.igi.org/verify-your-report/)  ## ### 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. This dedication is reflected by worldwide trust for IGI certified diamonds and IGI certified gemstones, which uphold the highest industry standards.  #### IGI reports IGI grading reports play an essential role in the global diamond, gem, and jewelry market, serving as the common language of trust and confidence in the gemological world. [All Reports](https://www.igi.org/reports/)  ### [Colored Stone Report](https://www.igi.org/reports/colored-stone-reports/) IGI analyzes every gemstone to identify species and variety, provide detailed information, and disclose any treatments present, ensuring the integrity of IGI certified gemstones for consumers. [](https://www.igi.org/reports/colored-stone-reports/) [Learn More](https://www.igi.org/reports/colored-stone-reports/) [Verify report](https://www.igi.org/verify-your-report/)  ### [Jewelry Report](https://www.igi.org/reports/jewelry-reports/) IGI pioneered grading reports for finished jewelry, providing peace of mind for millions of consumers who purchase jewelry every day, at a much higher frequency than loose diamonds or gemstones. [](https://www.igi.org/reports/jewelry-reports/) [Learn More](https://www.igi.org/reports/jewelry-reports/) [Verify report](https://www.igi.org/verify-your-report/)  ### [Diamond Reports](https://www.igi.org/reports/diamond-reports/) IGI’s loose diamond reports clearly identify natural or lab-grown origin and document all aspects of the diamond’s value-setting 4Cs. With IGI certified diamonds, consumers are assured of quality and authenticity. [](https://www.igi.org/reports/diamond-reports/) [Learn More](https://www.igi.org/reports/diamond-reports/) [Verify report](https://www.igi.org/verify-your-report/) #### IGI Education Offering more courses in more locations around the world, IGI’s [school of gemology](https://www.igi.org/school-of-gemology/) are unrivaled in diversity and reach, offered in-person and online via customizable webinars and eLearning programs. [Enroll Now](https://www.igi.org/school-of-gemology/)  ### Available Courses [Course Schedules](https://www.igi.org/course-schedules/) [eLearning](https://www.igi.org/education/elearning/) [Workshops – School Of Gemology](https://www.igi.org/school-of-gemology/workshops/) [Webinars – School Of Gemology](https://www.igi.org/school-of-gemology/webinars/)   #### IGI eLearning ### Learn anytime, anywhere with IGI [eLearning](https://www.igi.org/education/elearning/courses/) & online webinars Experience the convenience and flexibility of online learning with IGI eLearning platform’s top-quality courses and online webinars. [Enroll Now](https://www.igi.org/school-of-gemology/)  #### Consumer Education IGI consumer education is designed to prepare shoppers to make informed decisions when buying or selling diamonds, gemstones, and jewelry. [Go To School](https://www.igi.org/consumer-education/)  ### [Colored Gemstones](https://www.igi.org/consumer-education/colored-gemstones/) From rubies, sapphires and emeralds to the birthstones and beyond, explore the world of color in our colored gemstone tutorial. [](https://www.igi.org/consumer-education/colored-gemstones/) [Learn More](https://www.igi.org/consumer-education/colored-gemstones/) [Verify report](https://www.igi.org/verify-your-report/)  ### [Lab Grown Diamonds Education](https://www.igi.org/consumer-education/lab-grown-diamonds/) See how laboratory grown diamonds are physically, optically and chemically identical to natural diamonds which formed in the earth. [](https://www.igi.org/consumer-education/lab-grown-diamonds/) [Learn More](https://www.igi.org/consumer-education/lab-grown-diamonds/) [Verify report](https://www.igi.org/verify-your-report/)  ### [Diamond 4Cs](https://www.igi.org/consumer-education/diamond-4cs/) Learn about Cut, Clarity, Color and Carat weight and the international grading system that determines the quality and price of a diamond. [](https://www.igi.org/consumer-education/diamond-4cs/) [Learn More](https://www.igi.org/consumer-education/diamond-4cs/) [Verify report](https://www.igi.org/verify-your-report/) #### Explore the IGI GemBlog Composed by IGI experts and prominent guest authors, our cutting-edge content is perfect for sharing with family and friends who appreciate gemology, science, history, and entertainment. [See All](https://www.igi.org/category/gemblog/) [Press Releases](https://www.igi.org/category/press-release/) ### [International Gemological Institute (IGI) Joins Forces with Gujarat Titans as Official Certification Partner](https://www.igi.org/international-gemological-institute-igi-joins-forces-with-gujarat-titans-as-official-certification-partner/) 1 April 2026 [](https://www.igi.org/international-gemological-institute-igi-joins-forces-with-gujarat-titans-as-official-certification-partner/) [Press Releases](https://www.igi.org/category/press-release/) ### [IGI Acquires AGL, Expanding its Global Footprint in Colored Gemstone Certification](https://www.igi.org/igi-acquires-agl-expanding-its-global-footprint-in-colored-gemstone-certification/) 31 January 2026 [](https://www.igi.org/igi-acquires-agl-expanding-its-global-footprint-in-colored-gemstone-certification/) [Media Room](https://www.igi.org/category/media-room/) ### [Lab-Grown Diamond Is Emerging As The New Growth Driver For The Industry: IGI](https://www.igi.org/lab-grown-diamond-is-emerging-as-the-new-growth-driver-for-the-industry-igi/) 29 January 2026 [](https://www.igi.org/lab-grown-diamond-is-emerging-as-the-new-growth-driver-for-the-industry-igi/) ### Subscribe to our GemBlog Receive a weekly roundup of intelligence and insight from our expert team of gemologists and jewelry enthusiasts. "\*" indicates required fields #### One of the World's Largest Independent Grading and Accreditation Services Providers Join a global community of diamond, gemstone and jewelry professionals and enthusiasts [Contact IGI](https://www.igi.org/contact-us/) [](https://www.igi.org/) One of the World's Largest Independent Certification and Accreditation Services Provider since 1975 [Reports](https://www.igi.org/reports/) - [IGI Reports](https://www.igi.org/reports/) - [Diamond Reports](https://www.igi.org/reports/diamond-reports/) - [Jewelry Reports](https://www.igi.org/reports/jewelry-reports/) - [Appraisals (USA only)](https://www.igi.org/services/appraisals/) - [The Grading Process](https://www.igi.org/diamond-grading-process/) [School Of Gemology](https://www.igi.org/school-of-gemology/) - [Learn Today](https://www.igi.org/school-of-gemology/) - [eLearning](https://www.igi.org/education/elearning/courses/) - [Gemology Graduate Programs](https://www.igi.org/school-of-gemology/graduate-programs/) - [Webinars – School Of Gemology](https://www.igi.org/school-of-gemology/webinars/) - [Workshops – School Of Gemology](https://www.igi.org/school-of-gemology/workshops/) - [School Inquiry](https://www.igi.org/school-of-gemology-contact/) - [Request Help](https://www.igi.org/school-of-gemology-contact/) [Consumer Education](https://www.igi.org/consumer-education/) - [Learn With Videos](https://www.igi.org/consumer-education/learn-with-videos/) - [Glossary](https://www.igi.org/glossary/) - [Read a Grading Report](https://www.igi.org/how-to-read-an-igi-natural-diamond-report/) [Services](https://www.igi.org/services/) - [Screening Services](https://www.igi.org/services/what-we-do/diamond-screening/) - [Sorting Services](https://www.igi.org/services/what-we-do/diamond-sorting/) - [LaserScribe®](https://www.igi.org/services/what-we-do/laserscribe/) - [Registration](https://www.igi.org/services/what-we-do/registration-recovery/) - [API – Reports & PDFs](https://api.igi.org/) - [Blockchain-Based Digital Diamond Certificate (DDC)](https://www.igi.org/blockchain-based-digital-diamond-certificate-ddc/) [Policies]() - [Human Rights Policy](https://www.igi.org/assets/pdf/IGI-Human-Rights-Policy-2025.pdf) - [Code of Conduct](https://www.igi.org/assets/pdf/Code-of-Conduct.pdf) - [Supplier Code of Conduct](https://www.igi.org/assets/pdf/Supplier-Code-of-Conduct.pdf) - [RJC Policy](https://www.igi.org/assets/pdf/IGI-NA-RJC-Policy.pdf) - [Privacy Policy](https://www.igi.org/privacy-policy/) International Gemological Institute. 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One of the World's Largest Independent Grading and Accreditation Services ProvidersWith 31 laboratories and 18 schools in 10 countries, IGI employs a global workforce of experts and educators dedicated to industry service and consumer protection.[Verify Your Report](https://www.igi.org/verify-your-report/)  ### 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. This dedication is reflected by worldwide trust for IGI certified diamonds and IGI certified gemstones, which uphold the highest industry standards.  Available Courses   #### IGI eLearning ### Learn anytime, anywhere with IGI [eLearning](https://www.igi.org/education/elearning/courses/) & online webinars Experience the convenience and flexibility of online learning with IGI eLearning platform’s top-quality courses and online webinars.  ### Subscribe to our GemBlog Receive a weekly roundup of intelligence and insight from our expert team of gemologists and jewelry enthusiasts. "\*" indicates required fields