Illustrated report for brilliant

Polished Brilliant
Brilliant
30.12.2025
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.19, 1.1953
Measurements 6.816 (6.800-6.846) x 4.182 / 0.008 (mm)
Spread -0.03ct, -2.31 %
AGS Spread -0.03 ct, -2.39%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
6.800 mm 6.846 mm 1.007 6.800 mm 6.846 mm 6.816 mm 4.182 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.003 mm 2.927 mm 3.889 mm 0.024 mm 0.252 mm 0.256 mm 0.131 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality VG
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality EX
Final grade VG
Model building info The model has big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 6.816 6.800 6.846 0.68% - EX
Radius, mm 3.406 3.393 3.437 0.043% – –
Crown angle, ° 34.42 34.28 34.69 0.41 EX EX
Pavilion angle, ° 40.78 40.63 40.98 0.36 EX EX
Total height, % 61.35 – – – - –
Crown height, % 14.71 14.50 14.90 0.40 - EX
Crown height bone, % 14.69 14.11 15.16 1.05 – –
Pavilion height, % 42.94 42.74 43.24 0.50 – –
Pavilion upperbone, % 42.90 42.58 43.63 1.05 – –
Table, % 57.06 57.00 57.10 0.11 EX EX
Culet, % 0.36 0.25 0.43 0.19 EX -
Girdle height bezel, % 3.70 3.41 3.90 0.48 EX EX
Girdle height bone, % 3.75 3.26 4.07 0.80 – -
Girdle height 1.93 0.22 2.40 2.19 - -
valley, %
Star: 46.79: 45.36: 47.33: 1.97 EX EX
Upper ratio, % 53.21 54.64 52.67
Star angle, ° 20.57 20.06 21.39 1.33 – EX
Upper girdle 40.66 39.55 41.52 1.97 – EX
angle, °
Length girdle 75.10 73.15 76.31 3.15 EX EX
facet, %
Lower girdle angle / 42.01 41.78 42.49 0.71 – EX
Halves angle, °
Facet Twist, ° 0.36 0.14 0.64 0.50 – -
Crown height, mm 1.003 0.988 1.016 0.028 - EX
Pavilion height, mm 2.927 2.913 2.947 0.034 – –
Table, mm 3.889 3.885 3.892 0.007 EX EX
Culet, mm 0.024 0.017 0.030 0.013 EX -
Girdle height bezel, mm 0.252 0.233 0.266 0.033 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.42 34.37 34.51 0.13 – –
Pavilion angle, ° 40.78 40.70 40.86 0.16 – –
Fish eye effect, ° 8.05 – – – - –
Culet through Crown Bezel, ° 10.89 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.04 -0.01 -0.01 0.16 -0.23 0.00 -0.04 0.17
Crown azimuths dev. from ideal 0.51 0.63 0.30 0.44 -0.64 -0.13 -0.32 0.52
Crown painting 2.48 1.86 -0.50 0.49 -0.77 -1.00 0.15 0.00
-0.42 -0.14 0.05 0.96 -0.61 -1.57 0.44 -1.63
Pavilion painting -0.68 -0.89 0.11 0.13 0.12 -0.05 0.26 0.13
0.10 0.09 0.09 0.97 0.00 0.18 0.80 -0.95
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.13 ± 0.21 % 0.009 ± 0.014 mm EX
Girdle-Table offset by table axis 0.23 ± 0.18 % 0.016 ± 0.012 mm EX
Table-Culet offset by table axis 0.11 ± 0.22 % 0.007 ± 0.015 mm EX
Girdle to table-culet line offset 0.11 % 0.007 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 6.818 6.824 6.813 6.810 – – – –
Radius, mm 3.411 3.412 3.404 3.406 3.405 3.411 3.407 3.404
Crown angle, ° 34.53 34.44 34.69 34.45 34.28 34.37 34.32 34.29
Pavilion angle, ° 40.92 40.98 40.69 40.63 40.67 40.73 40.72 40.91
Total height, % – – – – – – – –
Crown height, % 14.50 14.70 14.87 14.83 14.90 14.70 14.65 14.55
Crown height bone, % 14.11 14.85 14.90 15.16 14.75 14.57 14.75 14.45
Pavilion height, % 43.13 43.24 42.74 42.74 42.89 42.98 42.80 43.00
Pavilion upperbone, % 43.63 42.91 42.58 42.92 42.88 42.72 42.74 42.86
Table, % 57.10 57.10 57.04 57.00 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.73 3.41 3.74 3.78 3.56 3.67 3.90 3.81
Girdle height bone, % 3.61 3.59 3.87 3.26 3.72 4.07 3.86 4.04
Girdle height 1.79 1.58 2.06 2.18 2.11 2.16 1.82 1.57
valley, % 2.02 1.94 2.15 2.25 2.40 0.22 2.20 2.36
Star: 47.33: 46.99: 45.36: 47.11: 46.64: 47.10: 46.53: 47.28:
Upper ratio, % 52.67 53.01 54.64 52.89 53.36 52.90 53.47 52.72
Star angle, ° 20.23 20.93 20.42 21.39 20.51 20.62 20.06 20.43
Upper girdle 39.71 39.55 40.71 40.89 40.85 40.66 40.95 40.94
angle, ° 40.48 40.59 40.46 40.40 40.68 41.52 40.72 41.38
Length girdle 76.27 76.31 75.89 75.79 75.32 75.01 73.15 75.11
facet, % 75.00 75.11 74.91 75.17 75.11 74.78 75.25 73.44
Lower girdle angle / 42.37 42.49 42.03 41.96 41.79 41.78 41.89 41.97
Halves angle, ° 41.86 42.00 41.93 41.90 41.85 42.03 42.17 42.14
Facet Twist, ° 0.47 0.64 0.31 0.28 0.41 0.14 0.29 0.35
Crown height, mm 0.988 1.002 1.014 1.011 1.016 1.002 0.999 0.992
Pavilion height, mm 2.940 2.947 2.913 2.914 2.924 2.930 2.918 2.931
Table, mm 3.892 3.892 3.888 3.885 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.254 0.233 0.255 0.258 0.243 0.250 0.266 0.259
 
Measurement as per OctoNus theory:
Crown angle, ° 34.41 34.41 34.51 34.37 – – – –
Pavilion angle, ° 40.79 40.86 40.70 40.77 – – – –
MIC, mm 6.792 Extra Facet Crown No –
Girdle to MIC, mm 0.008 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -0.01 EX 2.48 -
Crown,notch. 0.0, Negligible 0.7
Pavilion, ° 0.03 EX 0.97 -
Pavilion,notch. 0.0, Negligible 0.3