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PLEASE HELP ME PICK - ADVICE NEEDED .

klac199

Rough_Rock
Joined
Oct 27, 2016
Messages
1
Hello,
I am in the process of purchasing a diamond, Please review this information below and give a suggestion to which one you think would be a better purchase. Both diamonds are from BN (pictures attached)


PRICE IS THE SAME FOR BOTH THESE DIAMONDS BELOW, Which one would you suggest?


OPTION 1
1.
1.30 CT (VS2)
MEASUREMENTS: (7.12 x 7.07 x 4.23 mm)
IDEAL CUT
G COLOUR
Depth 59.7%
Table 62.0%
POLISH EXCELLENT
SYMMETRY EXCELLENT
FLOURESCENCE > NONE

1_478.jpg



OPTION 2

1.57 CT (Si1)
Measurements (7.61 x 7.58 x 4.53 mm)
IDEAL CUT
G COLOUR
Depth 59.6%
Table 59.0%
POLISH EXCELLENT
SYMMETRY EXCELLENT
FLOURESCENCE > STRONG BLUE


1_479.jpg




Size is obviously the key factor here, I am only considering the Si1 due to the difference in size ?
but is it worthit to get strong blue fluorescence and these inclusions?
 

diamondseeker2006

Super_Ideal_Rock
Premium
Joined
Jan 11, 2006
Messages
55,633
I am going to recommend that you go back to square one. The measurements on the first stone are not good, and the second one doesn't look great in cut and probably is not eyeclean. Fluorescence is usually okay in stones with good clarity. You omitted two important numbers, crown angle and pavilion angle.

Stick within these parameters for GIA Excellent cut stones to have better chance of getting a well cut stone:

Table: 54-58

Depth: 60-62.3

Crown angle: 34-35.0 (up to 35.5 may work with a 40.6 pavilion angle)

Pavilion angle: 40.6-40.9
 

Gypsy

Super_Ideal_Rock
Joined
Aug 8, 2005
Messages
40,198
NEITHER.

OMG.

NO.
 
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