Illustrated report for brilliant

Polished Brilliant
Brilliant
26.03.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 0.78, 0.7867
Measurements 5.891 (5.868-5.906) x 3.673 / 0.002 (mm)
Spread -0.03ct, -4.28 %
AGS Spread -0.03 ct, -4.42%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
5.868 mm 5.906 mm 1.007 5.868 mm 5.906 mm 5.891 mm 3.673 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.902 mm 2.527 mm 3.219 mm 0.029 mm 0.244 mm 0.248 mm 0.151 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 5.891 5.868 5.906 0.65% -- VG
Radius, mm 2.944 2.931 2.955 0.024% – –
Crown angle, ° 34.07 33.99 34.15 0.16 EX EX
Pavilion angle, ° 40.79 40.71 40.88 0.17 EX EX
Total height, % 62.35 – – – VG –
Crown height, % 15.31 15.20 15.42 0.22 VG EX
Crown height bone, % 15.23 14.96 15.42 0.47 – –
Pavilion height, % 42.90 42.73 43.08 0.35 – –
Pavilion upperbone, % 42.91 42.69 43.16 0.47 – –
Table, % 54.64 54.20 54.97 0.76 VG EX
Culet, % 0.50 0.40 0.58 0.18 FR EX
Girdle height bezel, % 4.14 3.93 4.35 0.42 EX EX
Girdle height bone, % 4.22 3.91 4.71 0.79 – VG
Girdle height 2.56 2.14 3.07 0.93 N/A EX
valley, %
Star: 44.73: 43.56: 47.65: 4.08 EX GD
Upper ratio, % 55.27 56.44 52.35
Star angle, ° 20.83 20.15 21.23 1.09 – EX
Upper girdle 39.44 38.95 39.94 0.99 – EX
angle, °
Length girdle 77.52 76.49 78.87 2.38 EX EX
facet, %
Lower girdle angle / 41.94 41.85 42.06 0.22 – EX
Halves angle, °
Facet Twist, ° 1.20 0.17 2.22 2.04 – GD
Crown height, mm 0.902 0.895 0.908 0.013 VG EX
Pavilion height, mm 2.527 2.517 2.538 0.021 – –
Table, mm 3.219 3.193 3.238 0.045 VG EX
Culet, mm 0.029 0.023 0.034 0.011 FR EX
Girdle height bezel, mm 0.244 0.232 0.256 0.025 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.07 34.04 34.10 0.07 – –
Pavilion angle, ° 40.79 40.73 40.84 0.11 – –
Fish eye effect, ° 9.46 – – – N/A –
Culet through Crown Bezel, ° 8.10 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.40 0.53 0.05 -0.05 -0.38 -0.41 -0.53 -0.18
Crown azimuths dev. from ideal 1.33 2.37 0.80 0.89 1.94 1.64 0.77 0.10
Crown painting 1.67 -0.18 1.18 -0.46 1.34 -0.01 0.59 -0.14
1.52 -0.47 1.14 -1.19 1.30 -0.19 0.39 -1.43
Pavilion painting 0.35 -0.04 0.06 0.19 -0.22 0.94 -0.79 1.19
-0.95 1.10 -0.80 0.47 -0.88 -0.35 -0.47 -0.50
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.29 ± 0.23 % 0.017 ± 0.014 mm N/A
Girdle-Table offset by table axis 0.12 ± 0.21 % 0.007 ± 0.012 mm N/A
Table-Culet offset by table axis 0.32 ± 0.25 % 0.019 ± 0.015 mm N/A
Girdle to table-culet line offset 0.32 % 0.019 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 5.902 5.886 5.877 5.900 – – – –
Radius, mm 2.948 2.945 2.940 2.949 2.953 2.940 2.936 2.951
Crown angle, ° 34.07 33.99 34.05 34.06 34.11 34.08 34.15 34.05
Pavilion angle, ° 40.72 40.81 40.80 40.82 40.75 40.88 40.86 40.71
Total height, % – – – – – – – –
Crown height, % 15.25 15.42 15.39 15.20 15.27 15.39 15.20 15.33
Crown height bone, % 15.06 15.42 15.17 14.96 15.27 15.37 15.28 15.28
Pavilion height, % 43.07 42.97 42.79 42.83 42.73 42.84 42.87 43.08
Pavilion upperbone, % 42.99 42.86 42.78 42.69 42.78 42.86 43.16 43.15
Table, % 54.97 54.20 54.51 54.90 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 4.03 3.96 4.16 4.32 4.35 4.11 4.28 3.93
Girdle height bone, % 4.30 4.07 4.40 4.71 4.30 4.12 3.91 3.91
Girdle height 2.53 2.46 2.49 2.65 2.71 2.49 2.90 3.07
valley, % 2.71 2.50 2.51 2.60 2.66 2.20 2.33 2.14
Star: 43.56: 44.10: 46.15: 47.65: 44.50: 43.95: 43.71: 44.23:
Upper ratio, % 56.44 55.90 53.85 52.35 55.50 56.05 56.29 55.77
Star angle, ° 20.24 20.93 21.17 21.23 20.81 20.91 21.20 20.15
Upper girdle 38.95 39.17 39.02 39.44 39.42 39.63 39.71 39.59
angle, ° 39.15 39.60 39.31 39.94 39.13 39.55 39.52 39.90
Length girdle 76.49 77.83 77.01 76.90 78.51 76.76 78.06 76.90
facet, % 77.94 78.87 76.67 77.33 77.91 78.37 77.21 77.56
Lower girdle angle / 41.87 41.93 41.97 41.99 41.91 41.98 41.91 41.85
Halves angle, ° 41.88 41.94 42.06 42.04 41.95 41.97 41.87 41.92
Facet Twist, ° 0.83 1.73 0.65 0.83 2.22 1.95 1.20 0.17
Crown height, mm 0.898 0.908 0.907 0.896 0.899 0.907 0.895 0.903
Pavilion height, mm 2.537 2.531 2.521 2.523 2.517 2.524 2.525 2.538
Table, mm 3.238 3.193 3.211 3.234 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.238 0.233 0.245 0.254 0.256 0.242 0.252 0.232
 
Measurement as per OctoNus theory:
Crown angle, ° 34.09 34.04 34.10 34.06 – – – –
Pavilion angle, ° 40.73 40.84 40.83 40.77 – – – –
MIC, mm 5.865 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, ° 0.32 N/A 1.67 EX
Crown,notch. 0.1, Negligible 0.4
Pavilion, ° -0.04 N/A 1.19 EX
Pavilion,notch. 0.0, Negligible 0.3