MSS Polished brilliant 2

Cut & Symmetry Quality

GIA Grading report OctoNus reports
  Helium report of Helium scanned model (Helium 4.0) DiamCalc report of Sarin scanned model (DC 3.0.0.441)
Color grade F Appraiser GIA PCTG StarCul GIA PCT 2006
Clarity grade SI1 Overall cut quality Excellent Excellent
Cut grade Excellent Symmetry appraiser Internal Internal
Polish Excellent Overall symmetry quality Very Good FR
Symmetry Excellent

Main parameters

Parameters GIA Grading report OctoNus reports
Helium report of Helium scanned model DiamCalc report of Sarin scanned model
Table 55 % 3.184 mm 55.23 % 3.161 mm 54.76 %
Weight 0.72 ct 0.73 ct 0.7288 ct 0.73 ct 0.7325 ct
Diameter 5.75 - 5.79 mm 5.766 mm 5.773 mm
Crown angle 34.5 o 34.58 o 34.51 o
Pavilion angle 41.8 o 41.74 o 41.81 o
Total height 3.63 mm 62.9 % 3.626 mm 62.90 % 3.641 mm 63.07 %
Crown height 15.5 % 0.892 mm 15.47 % 0.899 mm 15.58 %
Pavilion depth 44.5 % 2.566 mm 44.50 % 2.575 mm 44.60 %
Star facet 55.0 % 55.19 % 54.09 %
Lower facet 80.0 % 80.1 % 80.0 %
Culet none 0.023 mm 0.39 % 0.021 mm 0.36 %
Girdle Bezel thin-medium (faceted) 0.168 mm 2.91 % 0.167 mm 2.89 %
Girdle Bone 0.188 mm 3.25 % 0.182 mm 3.15 %
Girdle Valley 0.084 mm 1.45 % 0.080 mm 1.39 %

3D models & reports

3D models & reports Helium model (2007, november) Sarin model (2007, march)
Scanned 3D model Mmd
DiamCalc 3Dmodel Dmc Dmc
GemAdviser 3Dmodel Gem Gem
HTML report HTML HTML
MS Word Illustrated report MS Word PDF MS Word PDF
Real IdealScope photo DiamCalc 3D model
obtained on Helium scanner
DiamCalc 3D model
obtained on Sarin scanner
Garry Holloway, november 2007

Cut Quality

DiamCalc Cut Quality Estimation (Version 3.0.0.441) DMC model from Helium DMC model from Sarin
Light return mono 0.92 [Very Good - G] 0.92 [Very Good - G]
Light return stereo 0.94 [Very Good - G] 0.93 [Very Good - G]
Dark zone mone 0.92 [Very Good - G] 0.97 [VG]
Contrast raw 9.58 [Excellent] 8.57 [Excellent]
Contrast norm 1.17 [Excellent] 1.04 [Very Good]
Fish eye 1 [Very Good] 1 [Very Good]

Photos

   
  Garry Holloway, november 2007 Garry Holloway, november 2007  
  Garry Holloway, november 2007 Garry Holloway, november 2007