Illustrated report for brilliant

Polished Brilliant
Brilliant
05.06.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.00, 1.0038
Measurements 6.409 (6.389-6.426) x 3.909 / 0.002 (mm)
Spread -0.03ct, -3.32 %
AGS Spread -0.03 ct, -3.46%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
6.389 mm 6.426 mm 1.006 6.389 mm 6.426 mm 6.409 mm 3.909 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.874 mm 2.757 mm 3.842 mm 0.030 mm 0.278 mm 0.282 mm 0.174 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality EX
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality VG
Final grade EX
Model building info The model has big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 6.409 6.389 6.426 0.58% - EX
Radius, mm 3.203 3.190 3.217 0.027% – –
Crown angle, ° 34.25 33.94 34.71 0.77 EX EX
Pavilion angle, ° 40.86 40.76 41.06 0.30 EX EX
Total height, % 60.99 – – – - –
Crown height, % 13.63 13.35 14.16 0.81 - EX
Crown height bone, % 13.71 13.15 14.48 1.32 – –
Pavilion height, % 43.02 42.52 43.44 0.93 – –
Pavilion upperbone, % 42.87 42.38 43.39 1.01 – –
Table, % 59.95 59.74 60.20 0.46 EX EX
Culet, % 0.46 0.41 0.51 0.10 EX -
Girdle height bezel, % 4.34 4.15 4.46 0.31 EX EX
Girdle height bone, % 4.41 4.14 4.51 0.38 – -
Girdle height 2.72 2.50 2.92 0.42 - -
valley, %
Star: 49.15: 46.60: 50.95: 4.35 EX EX
Upper ratio, % 50.85 53.40 49.05
Star angle, ° 19.69 18.92 20.50 1.58 – EX
Upper girdle 41.36 40.27 42.18 1.91 – EX
angle, °
Length girdle 78.58 76.39 80.08 3.69 EX EX
facet, %
Lower girdle angle / 41.89 41.72 42.23 0.50 – EX
Halves angle, °
Facet Twist, ° 1.04 0.29 2.06 1.76 – -
Crown height, mm 0.874 0.856 0.908 0.052 - EX
Pavilion height, mm 2.757 2.725 2.784 0.060 – –
Table, mm 3.842 3.829 3.858 0.029 EX EX
Culet, mm 0.030 0.026 0.033 0.006 EX -
Girdle height bezel, mm 0.278 0.266 0.286 0.020 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.25 34.12 34.53 0.41 – –
Pavilion angle, ° 40.86 40.80 40.96 0.15 – –
Fish eye effect, ° 6.69 – – – - –
Culet through Crown Bezel, ° 14.34 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.13 0.37 0.38 0.00 -0.14 -0.24 -0.24 -0.21
Crown azimuths dev. from ideal 0.67 -1.11 -1.63 -0.25 0.32 1.02 0.86 1.09
Crown painting -0.23 -0.96 -0.09 0.78 0.64 1.66 -0.83 0.44
-1.15 -1.00 0.16 -1.08 -0.34 0.04 -1.06 0.60
Pavilion painting 0.75 0.20 0.73 0.10 -0.14 0.80 0.37 1.65
-0.78 1.68 -0.53 0.98 0.05 1.16 -0.22 1.45
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.39 ± 0.22 % 0.025 ± 0.014 mm EX
Girdle-Table offset by table axis 0.49 ± 0.19 % 0.032 ± 0.012 mm EX
Table-Culet offset by table axis 0.87 ± 0.23 % 0.056 ± 0.015 mm VG
Girdle to table-culet line offset 0.87 % 0.056 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 6.395 6.412 6.416 6.412 – – – –
Radius, mm 3.194 3.207 3.205 3.201 3.200 3.204 3.210 3.210
Crown angle, ° 34.71 34.25 34.30 34.51 34.35 33.99 33.94 33.97
Pavilion angle, ° 40.88 40.84 40.91 41.06 40.76 40.77 40.82 40.86
Total height, % – – – – – – – –
Crown height, % 14.16 13.94 13.60 13.40 13.39 13.35 13.42 13.79
Crown height bone, % 14.48 13.79 13.15 13.45 13.60 13.53 13.62 14.09
Pavilion height, % 42.52 42.73 43.03 43.44 43.14 43.18 43.18 42.93
Pavilion upperbone, % 42.38 42.80 43.39 43.05 43.05 43.03 42.87 42.39
Table, % 59.77 59.74 60.20 60.09 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 4.31 4.32 4.37 4.15 4.46 4.46 4.39 4.27
Girdle height bone, % 4.14 4.40 4.45 4.49 4.34 4.43 4.50 4.51
Girdle height 2.91 2.50 2.70 2.92 2.50 2.54 2.64 2.84
valley, % 2.81 2.68 2.81 2.70 2.78 2.65 2.75 2.82
Star: 47.29: 46.60: 49.17: 50.07: 49.13: 50.37: 50.95: 49.66:
Upper ratio, % 52.71 53.40 50.83 49.93 50.87 49.63 49.05 50.34
Star angle, ° 20.50 19.54 18.92 19.34 18.97 20.14 20.02 20.11
Upper girdle 41.35 41.65 40.66 40.27 40.82 40.70 42.18 41.75
angle, ° 42.04 41.79 41.26 41.70 41.40 41.04 41.66 41.43
Length girdle 77.10 78.16 77.93 78.13 79.20 79.33 79.12 79.46
facet, % 79.93 79.29 79.57 80.08 78.74 78.09 76.39 76.78
Lower girdle angle / 41.78 41.90 41.94 41.83 42.23 42.09 41.99 41.72
Halves angle, ° 41.76 41.74 41.76 41.76 41.88 41.89 41.98 41.93
Facet Twist, ° 0.49 1.53 2.06 0.29 0.41 1.22 1.05 1.25
Crown height, mm 0.908 0.894 0.871 0.859 0.858 0.856 0.860 0.884
Pavilion height, mm 2.725 2.739 2.758 2.784 2.765 2.767 2.768 2.751
Table, mm 3.831 3.829 3.858 3.851 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.276 0.277 0.280 0.266 0.286 0.286 0.281 0.274
 
Measurement as per OctoNus theory:
Crown angle, ° 34.53 34.12 34.12 34.24 – – – –
Pavilion angle, ° 40.82 40.80 40.86 40.96 – – – –
MIC, mm 6.387 Extra Facet Crown No –
Girdle to MIC, mm 0.002 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -0.15 EX 1.66 -
Crown,notch. 0.0, Negligible 0.4
Pavilion, ° 0.52 Painting EX 1.68 -
Pavilion,notch. 0.1, Very small 0.4