MSS Polished brilliant 18

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Cut & Symmetry Quality

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

Photos

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Main parameters

Parameters GIA Grading report OctoNus reports
Helium 4.29 report of Helium scanned model
Table   3.323 mm 57.26 %
Weight   0.74 ct 0.7465 ct
Diameter   5.803 mm
Crown angle   37.52 o
Pavilion angle   40.39 o
Total height     3.587 mm 61.82 %
Crown height   0.953 mm 16.42 %
Pavilion depth   2.459 mm 42.38%
Star facet   54.57 %
Lower facet   80.80 %
Culet   0.025 mm 0.43 %
Girdle Bezel   0.175 mm 3.01 %
Girdle Bone 0.174 mm 3.00 %
Girdle Valley 0.073 mm 1.25 %

3D models & reports

3D models & reports Helium scanned model (2008, July)
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 0.95 [Very Good]
Light return stereo 0.95 [Very Good - G]
Dark zone mone 0.94 [Very Good - G]
Contrast raw 8.81 [Excellent]
Contrast norm 1.07 [Very Good - E]
Fish eye 1.00 [Very Good]

Old photos

  Garry Holloway, july 2008 Garry Holloway, july 2008  
  Garry Holloway, july 2008 Garry Holloway, july 2008  

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AGS GOLD 2008 & AGSPGS Chart for Table 57%
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