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Proportion Scope

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riley

Rough_Rock
Joined
Jan 20, 2003
Messages
23
I''ve been calling a lot of local jewelers for referrals to gemologist who do Sarin Reports. I haven''t had too much luck. I finally got a hold of an indendent appraiser, who does not sell stones or jewelry. He uses a PROPORTION SCOPE.

Has anyone heard of this and is it as accurate as the Sarin Report?

loopy.gif
 

Richard Sherwood

Ideal_Rock
Joined
Sep 25, 2002
Messages
4,924
The sarin report gives a more detailed analysis (of each individual facet), but the gemologist should be able to give you the following with a combination of the proportionscope, direct measurement and observation:

mm measurements
total depth
table size
crown height (average)
crown angle (estimated)
pavilion depth (average)
pavilion angle (estimated)
girdle thickness
culet size
polish
symmetry
 
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