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Diamond Grading Labs: What You Should Know.

There are many diamond grading labs on the market today, all with varying levels of grading consistency and accuracy. The most well known "brand" diamond grading lab and considered by many to be the best is the GIA (Gemological Institute of America).

Never consider buying a diamond without a lab grading report and in our opinion that lab grading report should be from GIA.


Our colleague, Ken Gassman of idexonline.com has just published an interesting statistical evaluation of the the diamond grading labs that covered over 12 million diamonds!


GIA grades over 2/3 of all diamonds and overall these 6 labs: GIA, EGL-USA, IGI, EGL-International, AGS and HRD hold 99.7% of the lab business.


Ken's full report is here: Diamond Grading Labs


Definitely worth your time.



Posted by Barry Gutwein on September 4, 2008 7:43 PM in Diamond Labs | Comments (0)

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