Tag Archives for " GIA vs AGSL "

GIA Excellent versus AGS Ideal-0 cut, which diamond grading report is best?

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 […]

Read More