MSS Polished brilliant 4

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Cut & Symmetry Quality

GIA Grading report OctoNus Helium report of Helium scanned model
Color grade E Appraiser GIA PCTG StarCul
Clarity grade VS2 Overall cut quality Very Good
Cut grade Excellent Symmetry appraiser Internal
Polish Excellent Overall symmetry quality Very Good
Symmetry Excellent

Main parameters

Parameters GIA Grading report OctoNus reports
Helium report of Helium scanned model
Table 57 % 3.289 mm 57.17 %
Weight 0.70 ct 0.70 ct 0.7016 ct
Diameter 5.74 - 5.76 mm 5.752 mm
Crown angle 34.5 o 34.55 o
Pavilion angle 40.6 o 40.45 o
Total height 3.48 mm 60.5 % 3.472 mm 60.35 %
Crown height 15.0 % 0.854 mm 14.82 %
Pavilion depth 42.5 % 2.444 mm 42.49 %
Star facet 55 % 54.67 %
Lower facet 80 % 79.7 %
Culet none 0.019 mm 0.33 %
Girdle Bezel THN to MED,
Faceted (3.1%)
0.175 mm 3.05 %
Girdle Bone 0.173 mm 3.01 %
Girdle Valley 0.079 mm 1.37 %

3D models & reports

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

Cut Quality

DiamCalc Cut Quality Estimation (Version 3.0.0.441) DMC model from Helium
Light return mono 0.98 [Very Good]
Light return stereo 0.98 [Very Good]
Dark zone mone 0.90 [Very Good - G]
Contrast raw 7.55 [Excellent]
Contrast norm 0.92 [Very Good - G]
Fish eye 1.0 [Very Good]

Photos

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

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AGS GOLD 2008 & AGSPGS Chart for Table 57%
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