Illustrated report for brilliant

Polished Brilliant
Brilliant
10.06.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.19, 1.1937
Measurements 6.786 (6.767-6.800) x 4.179 / 0.004 (mm)
Spread -0.04ct, -3.47 %
AGS Spread -0.04 ct, -3.61%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
6.767 mm 6.800 mm 1.005 6.767 mm 6.800 mm 6.786 mm 4.179 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.998 mm 2.898 mm 3.878 mm 0.023 mm 0.282 mm 0.253 mm 0.153 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut quality N/A
Symmetry appraiser title Symmetry
Overall symmetry quality VG
Final grade N/A
Model building info The model has medium errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 6.786 6.767 6.800 0.49% GD EX
Radius, mm 3.392 3.378 3.404 0.026% – –
Crown angle, ° 34.46 34.06 34.97 0.91 EX VG
Pavilion angle, ° 40.64 40.50 40.80 0.30 EX EX
Total height, % 61.58 – – – VG –
Crown height, % 14.71 14.45 15.07 0.61 EX EX
Crown height bone, % 15.12 14.88 15.44 0.56 – –
Pavilion height, % 42.71 42.47 43.05 0.58 – –
Pavilion upperbone, % 42.73 42.38 43.16 0.79 – –
Table, % 57.15 56.99 57.37 0.39 EX EX
Culet, % 0.34 0.23 0.43 0.21 GD EX
Girdle height bezel, % 4.16 3.59 4.52 0.93 EX VG
Girdle height bone, % 3.72 3.33 4.06 0.74 – VG
Girdle height 2.26 1.65 2.80 1.14 N/A VG
valley, %
Star: 46.22: 45.12: 47.97: 2.85 EX VG
Upper ratio, % 53.78 54.88 52.03
Star angle, ° 20.50 20.16 20.85 0.69 – EX
Upper girdle 41.69 40.49 42.28 1.79 – VG
angle, °
Length girdle 74.91 74.18 75.59 1.42 -- EX
facet, %
Lower girdle angle / 41.90 41.65 42.17 0.51 – EX
Halves angle, °
Facet Twist, ° 0.16 0.03 0.51 0.48 – EX
Crown height, mm 0.998 0.981 1.023 0.042 EX EX
Pavilion height, mm 2.898 2.882 2.922 0.039 – –
Table, mm 3.878 3.867 3.894 0.026 EX EX
Culet, mm 0.023 0.015 0.029 0.014 GD EX
Girdle height bezel, mm 0.282 0.244 0.307 0.063 EX VG
Measurement as per OctoNus theory:
Crown angle, ° 34.46 34.20 34.60 0.41 – –
Pavilion angle, ° 40.64 40.58 40.68 0.10 – –
Fish eye effect, ° 7.41 – – – N/A –
Culet through Crown Bezel, ° 10.71 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.03 -0.20 -0.15 0.00 -0.25 0.16 0.10 0.03
Crown azimuths dev. from ideal -0.11 -0.10 0.02 -0.03 0.28 0.35 -0.06 0.08
Crown painting -1.40 -2.90 -3.11 -1.55 1.07 0.52 -0.42 -0.10
-1.26 -1.06 -2.87 -1.99 -2.03 -1.78 -3.48 -2.42
Pavilion painting -0.17 0.17 -0.01 0.08 -0.12 0.01 0.06 0.38
-0.26 0.08 0.00 0.21 -0.04 0.19 -1.03 -0.95
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.43 ± 0.21 % 0.029 ± 0.014 mm N/A
Girdle-Table offset by table axis 0.10 ± 0.18 % 0.007 ± 0.012 mm N/A
Table-Culet offset by table axis 0.47 ± 0.22 % 0.032 ± 0.015 mm N/A
Girdle to table-culet line offset 0.47 % 0.032 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 6.789 6.790 6.786 6.792 – – – –
Radius, mm 3.394 3.396 3.382 3.396 3.393 3.393 3.403 3.395
Crown angle, ° 34.38 34.15 34.97 34.82 34.83 34.25 34.19 34.06
Pavilion angle, ° 40.66 40.68 40.73 40.55 40.50 40.54 40.64 40.80
Total height, % – – – – – – – –
Crown height, % 14.78 14.45 15.07 14.93 14.81 14.51 14.61 14.53
Crown height bone, % 15.29 15.44 14.89 14.88 14.91 15.14 15.11 15.36
Pavilion height, % 42.47 42.74 42.90 43.05 42.86 42.55 42.52 42.57
Pavilion upperbone, % 42.82 42.81 43.16 42.84 42.60 42.38 42.60 42.62
Table, % 57.12 57.37 56.99 57.10 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 4.32 4.38 3.61 3.59 3.91 4.52 4.45 4.47
Girdle height bone, % 3.47 3.33 3.52 3.86 4.06 4.06 3.86 3.60
Girdle height 2.01 2.16 2.31 1.65 1.82 1.95 2.07 2.08
valley, % 2.32 2.51 2.69 2.80 2.49 2.34 2.55 2.40
Star: 46.09: 45.83: 45.12: 46.94: 47.97: 45.79: 46.37: 45.70:
Upper ratio, % 53.91 54.17 54.88 53.06 52.03 54.21 53.63 54.30
Star angle, ° 20.37 20.47 20.85 20.76 20.70 20.46 20.16 20.23
Upper girdle 41.74 42.10 42.01 42.28 40.49 40.72 41.43 41.48
angle, ° 41.93 41.78 41.86 41.70 41.81 41.73 42.21 41.83
Length girdle 75.24 75.16 74.31 75.20 75.15 74.85 75.25 75.59
facet, % 74.47 75.21 74.18 74.98 74.69 74.70 74.83 74.82
Lower girdle angle / 42.03 41.99 41.86 41.95 42.02 41.83 41.71 41.65
Halves angle, ° 41.75 41.73 41.80 41.71 42.03 42.17 42.13 41.98
Facet Twist, ° 0.10 0.09 0.16 0.04 0.51 0.17 0.19 0.03
Crown height, mm 1.003 0.981 1.023 1.013 1.005 0.984 0.991 0.986
Pavilion height, mm 2.882 2.901 2.911 2.922 2.908 2.888 2.886 2.889
Table, mm 3.877 3.894 3.867 3.875 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.293 0.297 0.245 0.244 0.266 0.307 0.302 0.304
 
Measurement as per OctoNus theory:
Crown angle, ° 34.60 34.20 34.58 34.44 – – – –
Pavilion angle, ° 40.58 40.61 40.68 40.67 – – – –
MIC, mm 6.762 Extra Facet Crown No –
Girdle to MIC, mm 0.004 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -1.55 Digging N/A -3.48 EX
Crown,notch. 0.4, Small 0.9
Pavilion, ° -0.09 N/A -1.03 EX
Pavilion,notch. 0.0, Negligible 0.3