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.
Are Twinning Wisps in Diamond Good or Bad? (Alarming Insight)
Diamond Color Charts – is your perception accurate?
Save BIG by buying a slightly smaller diamond! Crafted by Infinity Hearts and Arrows round diamond reviews
How important is diamond culet size? None, Very Small, Small, Blue Nile Signature vs James Allen True Hearts
Is GIA Excellent Cut comparable to AGS Ideal-0 Cut? Grading diamond polish, symmetry, and proportions.
Enchanted Diamonds Reviews: Which GIA Excellent cut diamond should I buy from Enchanted Diamonds?
Zoara diamonds review: GIA 1179161412, is the price of this H&A diamond too good to be true?
What is an etch channel diamond inclusions on GIA diamond grading report?