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I bought this stone 1.75ct, what do you think

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meak

Rough_Rock
Joined
Apr 22, 2002
Messages
3
GIA
1.75 Round
measurements 7.77 - 7.84 x 4.76
depth 61.0
table 57
girdle thin to medium, faceted
cutlet none
polish excellent
symmetry excellent
clarity SI1
color G
flourescence faint
crown 34.8 14.8%
pavilion 41.1 43.6%
price $11983
 

ChetLaura

Rough_Rock
Joined
Mar 2, 2002
Messages
62
Hi! Are you happy with this stone? Did you purchase online or from a B&M? Are you wondering if you got a good deal?

Just thought that I would find out what you are asking before I gave my opinion. :wavey:

Thanks
 

meak

Rough_Rock
Joined
Apr 22, 2002
Messages
3
I bought online and believe I got a good price for it. I believe I did a good job with the details and measurements of the stone. It looks brillant and is clean to the eye. I'm just looking for some second opinions.
 

pricescope

Ideal_Rock
Joined
Dec 31, 1999
Messages
8,266
Meak, this stone is Very Good. If the price is good and you like it, there is nothing to worry about.

Below I put together simulations for your stone (left) and the same one with pavilion angle=40.7° (right).

Keep in mind that this is only a theory. You have to compare life stones to find out the difference.

Because of a bit deep pavilion, your stone has some partial leakage under the table (gray areas). It causes a bit less light to be reflected under the table.



evaluations for these two diamonds.

34.8°/41.1°

Light Return Stereo: 0.98 (average)
Static: 0.96 (whole crown), 0.9 (table only)
Dynamic: 0.97(whole crown), 0.97 (table only)

Light Leakage Stereo: 0.99 (average)
Static: 0.75 (whole crown), 0.66 (table only)
Dynamic: 0.87 (whole crown), 0.96 (table only)

Contrast: 0.91 (average)
Static: 0.88 (whole crown), 0.80 (table only)
Dynamic: 0.97 (whole crown), 0.98 (table only)


34.8°/40.7°

Light Return Stereo: 0.99(average)
Static: 0.99 (whole crown), 1.01 (table only)
Dynamic: 0.98(whole crown), 0.98(table only)

Light Leakage Stereo: 0.99 (average)
Static: 1.00 (whole crown), 1.00 (table only)
Dynamic: 0.94 (whole crown), 1.01(table only)

Contrast: 0.96(average)
Static: 0.96(whole crown), 0.94 (table only)
Dynamic: 0.96(whole crown), 0.98 (table only)

As you can see, the stone with 41.1° pavilion angle has lower result for static leakage and contrast. Again: this is only theoretical estimation. it doesn't take into account some factors that can affect the results such as real symmetry and minor facets.

It doesn’t mean that your stone is less beautiful at all![/u]
 
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