
IGI - Diamonds, Gemstone & Jewelry Grading
IGI analyzes every gemstone to identify species and variety, provide detailed information and disclose any treatments that may be present. IGI pioneered grading reports for finished …
Reports - International Gemological Institute
IGI Jewelry Reports are issued for pieces featuring natural and lab grown diamonds and gemstones. Each report provides all gemstone and mounting specifics, and clear standardized …
School of Gemology | Gemstone Identification & Grading — IGI
Oct 6, 2019 · Learn gemstone identification, jewelry grading, etc. at IGI's School of Gemology. Gain experience & industry-recognized certification to advance your career in gemology.
IGI vs. GIA: Which Diamond Certification is Best? - Brilliant Earth
Jul 10, 2023 · Both IGI and GIA are reputable diamond grading laboratories that provide reliable and accurate diamond certification. However, GIA is generally considered the more prestigious …
International Gemological Institute - Wikipedia
International Gemological Institute (IGI) is a gemological organization which certifies diamond, colored stone and jewelry. It was established in 1975 in Belgium. [1] On May 21, 2023, …
IGI
IGI is the global authority in diamond, gemstone, and jewelry certification. Expert grading, education, and trusted evaluations.
Appraisal – AGI | International Gemological Laboratory
IGI’s Appraisal Report identifies and describes the gem or jewelry article. This includes weight, measurements, shape, cut, finish, proportions, clarity, color, and quantity of precious stones …
IGI vs GIA | What is the Difference? - Petra Gems
Apr 3, 2023 · IGI provides two types of diamond grading reports: mini-reports and full grading reports. Unlike GIA dossiers with sufficient information, IGI's mini-grading reports, often issued …
Understanding the IGI Grading Report for Gemstones
The emphasis IGI places on clarity, color, and cut informs buyers about the key factors influencing gem value. Using IGI certifications, gem dealers can cater to changing consumer preferences, …
About IGI
IGI operates 31 laboratories around the world grading finished jewelry, natural diamonds, lab-grown diamonds and gemstones, along with 18 schools of gemology graduating thousands of …
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