Illustrated report for brilliant

Polished Brilliant
Brilliant
27.03.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 0.71, 0.7114
Measurements 5.683 (5.668-5.697) x 3.548 / 0.001 (mm)
Spread -0.03ct, -5.05 %
AGS Spread -0.04 ct, -5.20%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
5.668 mm 5.697 mm 1.005 5.668 mm 5.697 mm 5.683 mm 3.548 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.868 mm 2.456 mm 3.244 mm 0.026 mm 0.224 mm 0.230 mm 0.132 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut quality --
Symmetry appraiser title Symmetry
Overall symmetry quality GD
Final grade N/A
Model building info The model has small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 5.683 5.668 5.697 0.52% -- EX
Radius, mm 2.840 2.833 2.851 0.018% – –
Crown angle, ° 35.46 35.05 35.87 0.81 VG VG
Pavilion angle, ° 40.99 40.84 41.14 0.30 EX EX
Total height, % 62.44 – – – GD –
Crown height, % 15.27 15.12 15.53 0.41 VG EX
Crown height bone, % 15.16 14.47 15.83 1.36 – –
Pavilion height, % 43.21 42.78 43.54 0.76 – –
Pavilion upperbone, % 43.22 42.85 43.54 0.68 – –
Table, % 57.09 56.64 57.46 0.82 EX EX
Culet, % 0.46 0.37 0.53 0.16 GD EX
Girdle height bezel, % 3.95 3.60 4.33 0.74 EX VG
Girdle height bone, % 4.05 3.52 4.67 1.15 – GD
Girdle height 2.32 1.74 2.89 1.15 N/A VG
valley, %
Star: 47.57: 44.10: 49.14: 5.03 EX GD
Upper ratio, % 52.43 55.90 50.86
Star angle, ° 21.60 20.58 22.20 1.62 – VG
Upper girdle 41.56 40.86 42.43 1.57 – VG
angle, °
Length girdle 73.47 71.83 75.57 3.74 -- EX
facet, %
Lower girdle angle / 42.27 42.03 42.49 0.46 – EX
Halves angle, °
Facet Twist, ° 1.17 0.25 3.06 2.81 – GD
Crown height, mm 0.868 0.859 0.883 0.024 VG EX
Pavilion height, mm 2.456 2.431 2.474 0.043 – –
Table, mm 3.244 3.219 3.265 0.047 EX EX
Culet, mm 0.026 0.021 0.030 0.009 GD EX
Girdle height bezel, mm 0.224 0.204 0.246 0.042 EX VG
Measurement as per OctoNus theory:
Crown angle, ° 35.46 35.37 35.54 0.17 – –
Pavilion angle, ° 40.99 40.96 41.06 0.10 – –
Fish eye effect, ° 8.84 – – – N/A –
Culet through Crown Bezel, ° 8.19 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.18 0.03 -0.03 -0.18 0.01 -0.08 0.25 0.24
Crown azimuths dev. from ideal -1.36 1.82 2.99 0.03 -0.54 -0.47 -0.60 -0.84
Crown painting 1.51 0.49 1.19 -2.78 0.70 -1.96 1.17 0.73
1.48 0.93 0.80 0.66 0.55 0.66 1.10 0.16
Pavilion painting 0.62 -0.44 0.56 -0.26 0.48 -0.06 0.29 -0.25
0.27 -0.34 0.34 -1.00 0.80 -1.16 0.75 -0.62
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.24 ± 0.24 % 0.013 ± 0.014 mm N/A
Girdle-Table offset by table axis 0.29 ± 0.22 % 0.016 ± 0.012 mm N/A
Table-Culet offset by table axis 0.49 ± 0.26 % 0.028 ± 0.015 mm N/A
Girdle to table-culet line offset 0.49 % 0.028 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 5.672 5.681 5.697 5.679 – – – –
Radius, mm 2.835 2.840 2.847 2.838 2.836 2.840 2.849 2.840
Crown angle, ° 35.84 35.39 35.22 35.05 35.23 35.56 35.51 35.87
Pavilion angle, ° 41.14 41.10 41.08 40.98 40.99 40.84 40.87 40.93
Total height, % – – – – – – – –
Crown height, % 15.12 15.12 15.36 15.25 15.19 15.32 15.30 15.53
Crown height bone, % 14.47 15.32 15.83 15.07 14.92 15.18 15.24 15.29
Pavilion height, % 43.54 43.47 43.45 43.02 42.99 42.78 43.16 43.31
Pavilion upperbone, % 43.54 43.49 43.09 43.06 42.85 43.01 43.24 43.50
Table, % 57.46 57.23 57.01 56.64 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.78 3.84 3.62 4.17 4.26 4.33 3.97 3.60
Girdle height bone, % 4.43 3.63 3.52 4.31 4.67 4.25 3.96 3.65
Girdle height 2.31 2.27 2.16 1.83 1.74 2.30 2.53 2.65
valley, % 2.84 2.89 2.57 2.37 2.73 2.25 1.88 1.88
Star: 48.54: 46.85: 46.71: 48.41: 48.06: 49.14: 44.10: 48.72:
Upper ratio, % 51.46 53.15 53.29 51.59 51.94 50.86 55.90 51.28
Star angle, ° 20.93 20.58 22.20 22.02 21.90 21.98 21.74 21.43
Upper girdle 41.35 41.54 41.07 42.43 41.75 42.01 41.02 41.27
angle, ° 40.86 41.44 41.72 41.74 40.97 41.35 42.02 42.36
Length girdle 72.50 71.83 72.73 73.42 74.57 74.77 73.18 73.58
facet, % 73.44 73.23 73.41 72.05 75.02 75.57 73.72 72.42
Lower girdle angle / 42.49 42.44 42.35 42.38 42.29 42.13 42.35 42.30
Halves angle, ° 42.26 42.09 42.15 42.25 42.03 42.07 42.35 42.46
Facet Twist, ° 1.50 1.82 3.06 0.25 0.52 0.36 0.82 1.05
Crown height, mm 0.859 0.859 0.873 0.867 0.863 0.871 0.870 0.883
Pavilion height, mm 2.474 2.471 2.469 2.445 2.443 2.431 2.453 2.461
Table, mm 3.265 3.252 3.240 3.219 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.215 0.218 0.206 0.237 0.242 0.246 0.226 0.204
 
Measurement as per OctoNus theory:
Crown angle, ° 35.54 35.47 35.37 35.46 – – – –
Pavilion angle, ° 41.06 40.97 40.98 40.96 – – – –
MIC, mm 5.667 Extra Facet Crown No –
Girdle to MIC, mm 0.001 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.46 Painting N/A -2.78 EX
Crown,notch. 0.1, Very small 0.7
Pavilion, ° 0.00 N/A -1.16 EX
Pavilion,notch. 0.0, Negligible 0.3