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is this a bad diamond ?

Amccaffery89

Rough_Rock
Joined
Jan 15, 2016
Messages
2
Round brilliant
Carat 1.00
Color I
Clarity SI1
Polish good
Symmetry very good
Fluorescence none
Cut good



Measurements 6.22x6.26x3.96
Girdle thick to very thick
Star length 55%
Table 58%
Total depth 63.4
Crown height 15%
Pavilion depth 42%
Crown angle 36
Pavilion angle 40.2
Lower girdle 80%
Cutlet very small
 

diamondseeker2006

Super_Ideal_Rock
Premium
Joined
Jan 11, 2006
Messages
55,633
Yes, it is not a good diamond. For example, the depth and thick girdle make it appear like a .90 diamond (in diameter), so you'd be far better off finding a well cut .90.

Start with GIA Excellent cut only. It is a broad range and there are many we wouldn't recommend even within that range.

These are measurements to help you stay in ideal cut territory with a GIA excellent cut stone.

table: 54-58

depth: 60-62.3

crown angle: 34-35.0

pavilion angle: 40.6-40.9 (sometimes 41.0)
 

John Pollard

Ideal_Rock
Trade
Joined
May 1, 2008
Messages
3,559
Amccaffery89 said:
Round brilliant
Carat 1.00
Color I
Clarity SI1
Polish good
Symmetry very good
Fluorescence none
Cut good

Measurements 6.22x6.26x3.96
Girdle thick to very thick
Star length 55%
Table 58%
Total depth 63.4
Crown height 15%
Pavilion depth 42%
Crown angle 36
Pavilion angle 40.2
Lower girdle 80%
Cutlet very small
Additional comments about this diamond in your other thread, in case you missed them:

https://www.pricescope.com/community/threads/is-this-a-fisheye.218909/
 
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