The American Gem Society Laboratory (AGSL) and the Gemological Institute of America (GIA) Gem Trade Laboratory (GIA-GTL) set the standard by which all other gemological laboratories are compared, but are the two gemological laboratories truly equal when it comes to the standards by which they grade diamonds? Both the AGSL and the GIA are Heavy Weight Contenders which command the highest respect throughout the industry, and they are extremely well matched in terms of the grading standards which they use to grade diamond carat weight, clarity, color, fluorescence, polish and symmetry. Learn the differences between the GIA Excellent and AGS Ideal-0 cut grading systems by reading this article.
Todd Gray is a professional diamond buyer with 30+ years of trade experience. He loves to teach people how to buy diamonds that exhibit incredible light performance! In addition to writing for Nice Ice, Todd "ghost writes" blogs and educational content for other diamond sites. When Todd isn't chained to a desk, or consulting for the trade, he enjoys Freediving! (that's like scuba diving, but without air tanks)
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