MSS Polished brilliant 12

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Cut & Symmetry Quality

GIA Grading report OctoNus Helium report of Helium scanned model
Color grade G Appraiser GIA PCTG StarCul
Clarity grade VS1 Overall cut quality Excellent
Cut grade Excellent Symmetry appraiser Internal
Polish Excellent Overall symmetry quality Excellent
Symmetry Excellent

Main parameters

Parameters GIA Grading report OctoNus reports
Helium 4.19 report of Helium scanned model
Table 58 % 3.339 mm 57.36 %
Weight 0.72 ct 0.73 ct 0.7286 ct
Diameter 5.82 - 5.83 mm 5.821 mm
Crown angle 34.5 o 34.55 o
Pavilion angle 40.8 o 40.73 o
Total height 3.53 mm 60.6 % 3.530 mm 60.64 %
Crown height 14.5 % 0.854 mm 14.68 %
Pavilion depth 43 % 2.499 mm 42.93 %
Star facet 55 % 55.99 %
Lower facet 80 % 79.83 %
Culet None 0.021 mm 0.36 %
Girdle Bezel Thin to Medium, Faceted 0.177 mm 3.04 %
Girdle Bone 0.171 mm 2.94 %
Girdle Valley 0.077 mm 1.32 %

3D models & reports

3D models & reports Helium scanned model (2008, February)
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 0.99 [Very Good]
Dark zone mone 0.95 [Very Good]
Contrast raw 8.22 [Excellent]
Contrast norm 1.00 [Very Good]
Fish eye 1.00 [Very Good]

Photos

  Garry Holloway, february 2008 Garry Holloway, february 2008  
  Garry Holloway, february 2008 Garry Holloway, february 2008  

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AGS GOLD 2008 & AGSPGS Chart for Table 57%
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