The DiamCalc appraiser for the AGS system performs the girdle
thickness estimation incorrectly. (It was configured to perform
girdle thickness estimation similar to GIA data but the AGS
has different rules for girdle estimation). The correct data
for AGS girdle estimation is included now in the updated appraiser
file. If you need quick solution for this problem then please
replace the older appraise.txt
file in the DiamCalc folder with this new one: Appraise.txt,
otherwise you may want to wait until the next DiamCalc release
that will include this fix.
Another known issue about the appraisal is that the DiamCalc
data for GIA estimation of girdle thickness entered as percentage
or mm value is valid only for diamonds of size from 3.80 mm
to 8.25 mm, for the diamonds out of this range DiamCalc gives
incorrect GIA estimation of the girdle thickness (this issue
doesn't apply to girdle thickness entered as word description).
This issue will be fixed by the end of the May 2003.
Versions history
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