Proportion scope

[islamaksoud]

Hello

I need to buy proprtion scope to identify the stone angels and other measurments , any recommindation on buying it (the brand and the place ) ??


Thanks

 

[denverappraiser]

Sarin technology is the big player in this business. The two top competitors are Ogi technology and Octonus.

The ‘Proportionscope’ is a tool that GIA distributed years ago and that has been subsequently discontinued (for good reason).

Neil Beaty
GG(GIA) ICGA(AGS) NAJA
Professional Appraisals in Denver