The PREMIER brand for Gemological Instruments. This is a GIA Gem ProportionScope! This unit has been well maintained and is in PRISTINE condition. To the best of our knowledge this unit is only missing the diamond proportion analyzer stoneholder. This missing component is currently available through GIA for roughly $250 and possibly less through alternative sources.

We have tested this unit and everything is in complete WORKING order. This ProportionScope retailed for about $1,500 when it was introduced and you are unlikely to find another on the market particularly in this condition.

This comes with a DOA guarantee and what you see is essentially what you get. This is a GREAT deal for anyone looking for an affordable ProportionScope who has been schooled in traditional techniques of analyzing proportions!

Here is GIA's Info on the ProportionScope:

Tell a customer a diamond is well-cut and you may get an "Uh-huh" or even a yawn. But put that customer in front of a screen that dramatically exhibits how well the diamond's enlarged silhouette matches up with sought-after proportions and you quickly have full interest. And perhaps the sale. ProportionScope makes grading 0.18 to 8.00 carat diamonds a breeze. Just compare your diamond's silhouette with the angle and percentage indicators on the screen. Easily gauge table size, crown angle, girdle thickness, pavilion depth, and total depth. Spot out-of-round girdles, tilted tables and girdles, or off-center tables and culets. Also speeds appraisals and recutting analysis.