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Can someone run a DiamCalc Report on this diamond?

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3Richmond

Rough_Rock
Joined
Apr 25, 2003
Messages
22
Hi everyone,

After two months of reading the forum, I''ve learned more than I could have imagined about diamonds. I finally engaged a vendor in the following stone.
The diamond is being evaluated by the vendor''s gemologist tomorrow. Mainly I want him to confirm that it matches the AGS cert and that it''s eye clean. I would love to see a DiamCalc report if anyone has time to run one. All comments are welcomed and expect : )

Here''s the information:

AGS Cert
Carat: 1.056
Color: H
Clarity: SI1
Meas: 6.57 x 6.60 x 4.04
Depth %: 61.4
Table %: 55.6
Pav Angle: 40.9
Crown Angle: 34.5
Polish: Ideal
Symm: Ideal
Proportion: Ideal
Culet: .8
Girdle Thin to Medium

Scored 1.5 - Excellent - within TIC range on HCA (E,E,VG,VG)

Final Grade using DIY Cut Grading - 1A

Thanks for your help!
 

3Richmond

Rough_Rock
Joined
Apr 25, 2003
Messages
22
Leonid & Rhino - THANKS!

I've spent the past two hours studying the GEM files. What an amazing tool! At first I had no idea what I was looking at and viewing the samples and my GEM file I slowly started to pull together the information I've learned.

This may seem basic to you but a Eureka moment for me was being able to see a diamond with Ideal proportion reflect more light back than a poorly proportioned diamond. The poorly cut stone looked smaller because there was light loss around the outer facets. An ideal cut stone reflects light back from the full face of the stone.

Rhino - What did you do differently to create the second GEM file?
I noticed the following:

1)Light leakage and contrast was "good" as compared to "very good" in Leonid's file

2) Leonid's file appeared to be brighter with larger piece of light rflecting from the stone.

3) Your file had smaller pieces of light reflecting back. Is there more scintillation in the way you modelled the stone?

4) The center star or spears are larger in Rhino's file than in Leonid's. Why is this?

Lastly, in your opinion, would I go wrong by purchasing this diamond? From what I can understand it should look above average in person. Would you agree?

Thanks so much! This has been fun.

 
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