MSS Polished brilliant 18 Master Stone Set     List of all MSS diamonds     PGS report     Cutting Rules   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 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 MSS Home List of all MSS diamonds PGS report Cutting Rules AGS & GIA AGS GOLD 2008 & AGSPGS Chart for Table 57% GIA, AGS GOLD 2008 & AGSPGS Charts GIA & AGSPGS