The diamond price heavily depends on the precise grade in the color category. That’s the reason why many observers accuse IGI for manipulating with this diamond parameter – especially those who prefer GIA laboratories to certify their diamonds. When it comes to color grading, IGI-certified diamonds mostly receive a stricter or looser parameter than GIA. And IGI gemologists certify this parameter pretty accurately. Measuring the diamond weight is extremely important since the cost of a diamond is calculated with the diamond price per carat formula. To certify the number of carats, IGI professionals use highly calibrated instruments. Let’s investigate how IGI specialists certify each diamond grade in detail now. However, you can get the idea of this diamond certification parameter after checking the “Finish” section in IGI Diamond Report.
Diamond finish (includes polish, symmetry, and proportions).Īs you can see, IGI-certified diamonds do not have a specific grade in the “Cut” section, in contrast to GIA and AGS certificates.The Diamond Report from IGI has the following sections: IGI certified diamonds: Key characteristics mentioned in the report In it, IGI experts certify the symmetry of all the diamond facets to validate its Hearts & Arrows title. This is a branded certificate for premium-cut diamonds. IGI issues this document on the yellow paper.Īdditionally, IGI diamond certification may work with the Hearts & Arrows report. IGI Laboratory Grown Diamond Report, or a diamond certificate for a man-made diamond.The Colored Stone Report, or the certification designed by IGI especially for colored diamonds,.The Jewelry Report, or a revolutionary invention of IGI that evaluates finished diamond jewelry pieces,.The Diamond Report, or a traditional certificate mentioning diamond 4C’s,.IGI certified diamonds can get a report of different types: The IGI geography includes Belgium (Antwerp), India (Mumbai, Delhi, Hyderabad, Ahmedabad, Chennai, and Surat), United Arab Emirates (Dubai), China (Shanghai), and Italy (Rome, Cavalese, Ascoli Piceno, Trecastagni, and Marcianise). IGI diamond certification institute has 18 laboratories, along with 14 certification schools of gemology, all over the world. These days, IGI certified “Polished Diamond Course” is its most popular program, aimed at helping people to identify the diamond grading by themselves. The institute created the first public school to introduce classes on evaluating rough diamonds. It’s a stable network of partnerships with various jewelry brands.Īmong all, IGI diamond certification specialists are known for being eager to share their knowledge. Finally, IGI has established a unique co-branded certification these days. Besides, IGI diamond certification documents are known for their clarity and clearness. The list of its exclusive services included diamond repair and re-cutting, protective sealing, and comprehensive cut measuring. In particular, IGI certified diamonds as part of jewelry grading and offered diamond certification education. Many people remember it as an innovative happening for the diamond industry. The first time IGI certified diamonds happened in 1975 in Antwerp, Belgium. IGI diamond certification: The basic information Let’s check how this diamond certification institute works and what are its key advantages.
In general, those IGI specialists that certify diamonds have a good reputation. Specifically, the institute offers educational programs and fine jewelry examination. The entity was established to guarantee concise expertise in diamond grading. IGI, or the International Gemological Institute, is one of the most famous diamond certification organizations, especially in the Asian market.
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