Established in 1975, IGI is the largest independent gemological laboratory worldwide. It operates 18 laboratory locations around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones, and 14 schools of gemology, graduating thousands of new jewellery professionals each year.
Today IGI has more experience and expertise than any other organization, instilling confidence in lab-grown diamond grading for the entire industry - from manufacturers and retailers to consumers.
Issuing millions of reports annually, IGI is the most trusted name in Jewellery grading across North America, Europe and Asia.
IGI was the first to issue: Jewellery identification Reports, protectively seal diamonds, comprehensive cut-grading criteria, first to offer co-branded reports in cooperation with renowned Jewellery brands.
As the global leader for Jewellery assessment IGI's experience and reach are unrivaled.
IGI Diamond Reports give an accurate assessment of a diamond's cut, color, clarity and carat weight according to strict international standards.
The IGI Laboratory Grown Diamond Report provides the same information as the IGI Diamond Report but the color of the report is yellow.
Without disassembling heirlooms or complex pieces, IGI's expertise in the analysis and documentation of finished Jewellery items is unrivaled anywhere.
“Hearts & Arrows” (H&A) diamonds are cut so precisely that their facet reflections overlap when viewed in a reflective scope. Hearts & Arrows precision is typically associated with Excellent-Ideal cuts of superior quality
The Colored Stone Report is designed to identify the species and variety of a colored gem. With development of new technologies to artificially alter colored gemstones, the IGI scientific approach is vital to ensure reliability.
IGI has the experience, knowledge and scientific equipment to determine exact description and origin of fancy colored diamonds.
Full Disclosure
IGI is committed to providing complete transparency, authenticity and full disclosure for clients.
Thorough Assessments
IGI's trained staff conducts thorough assessments of all gems, diamonds and jewellery to provide detailed information.
Independent Authentication
IGI provides an independent authentication of purchase and builds a value-chain of protection to its clients
Advanced Technology
IGI has been developing and implementing the world’s most advanced identification spectrometry since the 1980s.
Commitment
A shared commitment to maintain transparency, authenticity and disclosure in the area of diamond, gemstone and Jewellery analysis serves as the foundation of a partnership with IGI
Different Formats
Every report is issued according to the strict standards and security features for which IGI is known. They are also offered in different formats to serve consumer needs across diverse worldwide markets.
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