Comparison of 2 stones

[bjhcpa]

On paper, which is the better stone.


1.64k Stone 1
Measurements 7.54 x 7.59 x 4.67
Color G
Clarity SI1
Polish EX
Sym EX
FL - None


Table 57%
Crown Angle 35%
Crown height 15%
Girdle Med - Sthk
Pavilllion Angle 41%
Pavillion depth 43.5%
Total Depth 61.7%


1.62k Stone 2
Measurements 7.55 x 7.60 x 4.65
Color G
Clarity SI1
Polish EX
Sym VG
FL - None

Table 55%
Crown Angle 35%
Crown height 16%
Girdle thn - med
Pavilllion Angle 40.6%
Pavillion depth 42.5%
Total Depth 61.4%

 

[JulieN]

JUST by numbers, stone 2. They could be equals, though, with more information.

 

[bjhcpa]

what about the numbers do you like on stone 2 over stone 1.

I believe stone 1 falls into an AGS 0, where as stone 2 falls into a 1.

Thanks

 

[JulieN]

Using the GIA numbers, stone 1 is not a candidate for AGS 0. Even if it were a 34.8/40.9 (a possible combination, due to the rounding GIA uses,) it is still doesn't fall into the AGS0 candidate region marked by the white outline on the HCA charts.

Stone 2 falls into the white outline for 35/40.6, just on the outline for 34.8/40.5, and inside the outline for 35.2/40.6

However, if 1 were an H&A or near H&A and stone 2 had yucky optical symmetry, stone 1 could outperform stone 2.