Incentive to grade the diamond by IGI? Deep down they know that IGI would be Report says it is), and that the stone would also sell fast. Think about it, every dealer knows that they would get aīetter price for a GIA graded diamond (if it is a high quality stone as the It is just graded higher than it would in a GIA report. The morale of the story is that unless it is a very goodĭeal, you are most probably not getting a good deal on an IGI graded diamond Grading diamonds across the organization as GIA does. The problem is that they do not have the same consistency in Therefore, it is possible for some gemologist in IGI to be as strictĪs those in GIA. How? Becauseĭiamonds are graded by human beings individual gemologists, and then crossĮxamined. Graded diamonds might end up being consistent with how GIA would grade them. On the bright side, around 10-20% (our guesstimation) IGI Sure you verify with them that such low clarity grade IGI graded diamonds areĮye-clean (if you after eye clean diamonds). IGI and GIA graded diamonds, especially in high investment grade diamonds inīe very clear with the dealer and ask questions about theĬlarity of SI1 and SI2 graded IGI diamonds as they might not be eye-clean. It is also safe to assume a 1 grade clarity inconsistency in We wouldn’t worry too much between the difference of IGI and GIA graded diamonds Inconsistency in D to I color diamonds between GIA and IGI graded diamonds. Slight inconsistency between the different IGI labs depending on theirĪs a role of thumb, it is safe to assume a 1 grade color The Difference between IGI and GIA in grading the 4Cs…īecause IGI is loosely structured worldwide, there can be It doesn't mean though that you should entirely rule out IGI. In our opinion, IGI is not as strict as GIA when gradingĭiamonds. In the U.S., GIA is by far the first go to lab. If you travel abroad in Europe and Asia, IGI grading reportsĪre very common however, in recent years, GIA is gaining more market shares Grading laboratory in order to establish a name for itself in the diamond industry.Ĭheck out GIA Certified Diamonds at James Allen. IGI has been increasingly trying to position itself as a reliable diamond With over 650 gemologists and other jewelry professionals, New Delhi, Surat, Honk Kong, Dubai, Shanghai, and Tel Aviv, and among others. The companyĪlso has offices in several diamond centers around the world such as New York, It is headquartered in the heart of theĭiamond trade, Antwerp (where De Beers also has major operations). The International Gemological Institute is the largest They have 9 laboratories, 4 research centers, and operate in 13 countries. GIA also trains gemologists and has 11 campuses. Introduced the International Diamond Grading System (known as theĬlarity color, and carat weight) in 1953. Industry was able to use one unified method for grading diamonds and otherĪs a result of their dedication and hard work, GIA GIA wanted to develop a standard so that everyone in the The Gemological Institution of America was founded in 1931Īs a non-profit institution dedicated to the research, education and grading of
Loose diamonds as well as to avoid making certain mistakes. Our tips below carefully so you know exactly what you are in for in order to
However, if you are considering an IGI graded diamond, read In a nutshell, IGI is not as consistent or strict in gradingĭiamonds as GIA. While both GIA and IGI are reputable labs, there is noticeable Very large institution, and it has been around since 1975. The International Gemological Institute or IGI is also a It is very consistent, and a standard bearer The Gemological Institute of America or GIA IGI is improving, but is still not on par with GIA.
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