There are 8 files on this disk including this file.

AGSL Proportion Charts.pdf and Complete Instructions for the AGSL Proportion Based Cut Grading System.pdf are the entire grading system in Adobe Acrobat format.  If you don't have Adobe Acrobat Reader you can download it for free from www.adobe.com.

AGSL Upper and Lower Half Facets Limits.xls and AGSL Proportion Grades.xls are Microsoft Excel spreadsheet files with additional information for those of you that would like to have all of the information on your computer.  

AGSL Upper and Lower Half Facets Limits.xls contains information about the amount of 'painting' and 'digging' that is allowed in this system.  This information will be most useful to diamond cutters and manufacturers.  

AGSL Proportion Grades.xls contains the proportion grade for all of the table sizes and pavilion and crown main angles.

AGSL Upper Half Facets Limits.csv, AGSL Lower Half Facets Limits.csv and AGSL Proportion Grades.csv are generic spreadsheet files that can be opened with any spreadsheet program or imported into any database program.  The information in these three files is the same as what is contained in the two Excel spreadsheet files.

We hope you enjoy the world's best and easiest to use proportion based grading system for the standard round brilliant cut.