MSS Polished brilliant 9

Cut & Symmetry Quality

GIA Grading report OctoNus Helium report of Helium scanned model
Color grade F Appraiser GIA PCTG StarCul
Clarity grade VS2 Overall cut quality Excellent
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 % 3.318 mm 57.46 %
Weight 0.71 ct 0.71 ct 0.7120 ct
Diameter 5.76 - 5.78 mm 5.775 mm
Crown angle 34.5 o 34.48 o
Pavilion angle 41 o 40.94 o
Total height 3.52 mm 61.0 % 3.511 mm 60.80 %
Crown height 14.5 % 0.845 mm 14.63 %
Pavilion depth 43.5 % 2.496 mm 43.22 %
Star facet 55 % 53.76 %
Lower facet 80 % 79.7 %
Culet None 0.021 mm 0.37 %
Girdle Bezel Thin to Medium, Faceted 0.170 mm 2.95 %
Girdle Bone 0.186 mm 3.23 %
Girdle Valley 0.083 mm 1.44 %

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 1.00 [Very Good]
Light return stereo 0.98 [Very Good]
Dark zone mone 0.99 [Very Good]
Contrast raw 8.28 [Excellent]
Contrast norm 1.01 [Very Good]
Fish eye 1.00 [Very Good]

Photos

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