question about a diamond

[monkey]

i''m very confused regarding the round brilliant. I am interested in a stone that is confusing me. its a hearts and arrows, its AGS 0, but scores only a 4.6 on the HCA. other tests for light return it scored very high or excellent and others low. . i''m very confused
thanks
if anyone can help

 

[pricescope]

Please post the carat weight and proportions from AGS report as well as color, clarity and price.

 

[monkey]

1.9
E
VS2
table 56.8
depth 61.1
pavillion depth 43.5
crown angle 34.4
pavillion angle 41.4
it has an GIA cert, the other #'s were independantly measured as we all know GIA doesn't give all the info

 

[pricescope]

This is DiamCalc evaluation based on table, crown and pavilion angles. As you can see, 41.4 deg pavilion is already in AGS1 grade.

 

[pricescope]

same but pavilion depth = 43.5%

 

[AGBF]

I know I will regret asking if you answer this, Leonid, but what is this fancy diamond calculator? (I try to stay away from numbers which is why I never tried to figure out the HCA, either.)

 

[pricescope]

.

to play DiamCalc generated files. Even sample files that go with Gem Adviser are interesting to play with.[/u][/u]

 

[monkey]

i screwed up
the pavillion angle is 41.1 not 41.4
and the HCA was 2.4 (still not as good as I would expect based on the brightscope) and isee2
thanks

 

[pricescope]

Monkey:

----------------
i screwed up
----------------

It happens

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the pavillion angle is 41.1 not 41.4
and the HCA was 2.4 (still not as good as I would expect based on the brightscope) and isee2
----------------

This is still Very Good cut. It has decent overall light return. HCA just penalizes partial light leakage.

 

[monkey]

leonid
what should i expect to pay for that stone?

 

[pricescope]

Monkey,

----------------
what should i expect to pay for that stone?
----------------

Could be rather high variations depending where you're buying (internet, B&M, mall, etc). Does it have AGS report, ideal symmetry and polish?

I'd guess the price could varry from $14k to $18k.

 

[monkey]

it has a GIA cert, and has excellent for polish and symmetry
no fluorescence.
i was quoted 20, 400 and I thought it was a bit high. . the stone is beautiful though!