Illustrated report for brilliant

Polished Brilliant
Brilliant
11.05.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 0.78, 0.7813
Measurements 5.923 (5.906-5.941) x 3.612 / 0.002 (mm)
Spread -0.01ct, -1.89 %
AGS Spread -0.02 ct, -2.03%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
5.906 mm 5.941 mm 1.006 5.906 mm 5.941 mm 5.923 mm 3.612 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.806 mm 2.569 mm 3.459 mm 0.026 mm 0.237 mm 0.255 mm 0.148 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 5.923 5.906 5.941 0.60% -- VG
Radius, mm 2.960 2.949 2.973 0.024% – –
Crown angle, ° 33.22 33.19 33.27 0.08 VG EX
Pavilion angle, ° 41.08 40.91 41.17 0.26 EX EX
Total height, % 60.97 – – – EX –
Crown height, % 13.60 13.40 13.83 0.43 EX EX
Crown height bone, % 13.29 12.89 13.73 0.83 – –
Pavilion height, % 43.37 43.02 43.61 0.59 – –
Pavilion upperbone, % 43.37 43.19 43.55 0.37 – –
Table, % 58.39 58.04 58.63 0.60 EX EX
Culet, % 0.44 0.39 0.47 0.08 GD EX
Girdle height bezel, % 4.00 3.53 4.55 1.02 EX GD
Girdle height bone, % 4.31 3.84 4.73 0.89 – VG
Girdle height 2.50 1.98 3.24 1.26 N/A VG
valley, %
Star: 46.91: 45.68: 47.74: 2.06 EX VG
Upper ratio, % 53.09 54.32 52.26
Star angle, ° 19.06 18.43 19.60 1.17 – EX
Upper girdle 38.71 37.93 39.13 1.20 – VG
angle, °
Length girdle 75.18 73.81 77.20 3.39 -- EX
facet, %
Lower girdle angle / 42.32 42.12 42.50 0.38 – EX
Halves angle, °
Facet Twist, ° 0.27 0.03 0.57 0.55 – EX
Crown height, mm 0.806 0.794 0.819 0.025 EX EX
Pavilion height, mm 2.569 2.548 2.583 0.035 – –
Table, mm 3.459 3.437 3.473 0.035 EX EX
Culet, mm 0.026 0.023 0.028 0.005 GD EX
Girdle height bezel, mm 0.237 0.209 0.270 0.060 EX GD
Measurement as per OctoNus theory:
Crown angle, ° 33.22 33.21 33.24 0.04 – –
Pavilion angle, ° 41.08 41.04 41.12 0.08 – –
Fish eye effect, ° 8.52 – – – N/A –
Culet through Crown Bezel, ° 14.43 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.32 -0.04 0.33 0.39 0.37 0.28 0.04 -0.26
Crown azimuths dev. from ideal -1.02 -0.46 0.10 0.19 -0.20 0.20 -0.01 -0.91
Crown painting 1.22 1.71 1.35 0.76 0.77 -0.04 1.34 1.73
0.96 0.74 2.28 1.93 0.69 0.31 1.44 1.33
Pavilion painting 0.09 -1.31 0.20 -0.27 0.39 -0.09 0.24 -0.03
0.21 0.26 -0.04 0.25 0.70 0.08 0.21 -0.29
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.20 ± 0.23 % 0.012 ± 0.014 mm N/A
Girdle-Table offset by table axis 0.20 ± 0.21 % 0.012 ± 0.012 mm N/A
Table-Culet offset by table axis 0.05 ± 0.25 % 0.003 ± 0.015 mm N/A
Girdle to table-culet line offset 0.05 % 0.003 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 5.918 5.915 5.924 5.935 – – – –
Radius, mm 2.959 2.959 2.957 2.970 2.959 2.955 2.967 2.964
Crown angle, ° 33.22 33.23 33.21 33.23 33.27 33.21 33.21 33.19
Pavilion angle, ° 41.17 40.91 40.95 41.04 41.06 41.16 41.16 41.15
Total height, % – – – – – – – –
Crown height, % 13.44 13.40 13.63 13.83 13.62 13.64 13.66 13.59
Crown height bone, % 12.89 13.30 13.73 13.32 13.23 13.17 13.52 13.18
Pavilion height, % 43.36 43.02 43.19 43.61 43.49 43.48 43.50 43.34
Pavilion upperbone, % 43.35 43.19 43.41 43.54 43.29 43.55 43.23 43.41
Table, % 58.63 58.59 58.31 58.04 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 4.18 4.55 4.15 3.53 3.86 3.86 3.82 4.04
Girdle height bone, % 4.73 4.49 3.84 4.11 4.45 4.25 4.23 4.38
Girdle height 2.67 3.24 2.93 2.65 2.42 1.98 2.02 2.33
valley, % 2.34 2.54 2.47 2.26 2.44 2.60 2.35 2.77
Star: 46.88: 46.07: 46.55: 47.74: 47.28: 45.68: 47.65: 47.42:
Upper ratio, % 53.12 53.93 53.45 52.26 52.72 54.32 52.35 52.58
Star angle, ° 18.92 18.69 18.43 19.60 19.45 18.61 19.53 19.25
Upper girdle 38.83 37.93 38.93 38.85 39.13 39.10 38.67 38.42
angle, ° 38.98 38.87 38.16 38.14 39.03 38.91 38.80 38.67
Length girdle 77.17 77.20 75.55 74.32 75.55 74.57 74.95 73.81
facet, % 74.57 73.81 74.77 74.36 75.27 75.79 75.35 75.79
Lower girdle angle / 42.43 42.24 42.17 42.27 42.12 42.25 42.35 42.31
Halves angle, ° 42.34 42.40 42.45 42.47 42.19 42.21 42.50 42.41
Facet Twist, ° 0.57 0.31 0.11 0.08 0.45 0.03 0.07 0.54
Crown height, mm 0.796 0.794 0.807 0.819 0.807 0.808 0.809 0.805
Pavilion height, mm 2.568 2.548 2.558 2.583 2.576 2.575 2.577 2.567
Table, mm 3.473 3.470 3.454 3.437 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.247 0.270 0.246 0.209 0.229 0.229 0.226 0.239
 
Measurement as per OctoNus theory:
Crown angle, ° 33.24 33.22 33.21 33.21 – – – –
Pavilion angle, ° 41.12 41.04 41.05 41.10 – – – –
MIC, mm 5.904 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, ° 1.16 Painting N/A 2.28 EX
Crown,notch. 0.3, Small 0.6
Pavilion, ° 0.04 N/A -1.31 EX
Pavilion,notch. 0.0, Negligible 0.3