Illustrated report for brilliant

Polished Brilliant
Brilliant
17.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 3.02, 3.0259
Measurements 9.379 (9.358-9.401) x 5.682 / 0.008 (mm)
Spread 0.02ct, 0.70 %
AGS Spread 0.02 ct, 0.56%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
9.358 mm 9.401 mm 1.005 9.358 mm 9.401 mm 9.379 mm 5.682 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.358 mm 4.043 mm 5.369 mm 0.028 mm 0.281 mm 0.285 mm 0.125 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 small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 9.379 9.358 9.401 0.47% GD EX
Radius, mm 4.688 4.665 4.709 0.044% – –
Crown angle, ° 34.21 34.07 34.43 0.37 EX EX
Pavilion angle, ° 40.86 40.69 41.10 0.41 EX EX
Total height, % 60.58 – – – EX –
Crown height, % 14.48 14.23 14.68 0.45 EX EX
Crown height bone, % 14.43 13.92 14.88 0.95 – –
Pavilion height, % 43.11 42.87 43.30 0.43 – –
Pavilion upperbone, % 43.11 42.87 43.33 0.46 – –
Table, % 57.25 56.92 57.50 0.58 EX EX
Culet, % 0.30 0.24 0.35 0.12 VG EX
Girdle height bezel, % 3.00 2.79 3.17 0.39 EX EX
Girdle height bone, % 3.04 2.84 3.40 0.56 – EX
Girdle height 1.34 1.10 1.79 0.68 N/A EX
valley, %
Star: 48.36: 46.86: 50.14: 3.28 EX VG
Upper ratio, % 51.64 53.14 49.86
Star angle, ° 20.54 19.78 20.86 1.08 – EX
Upper girdle 40.55 39.82 40.95 1.13 – VG
angle, °
Length girdle 77.36 76.38 78.69 2.31 EX EX
facet, %
Lower girdle angle / 42.03 41.88 42.33 0.46 – EX
Halves angle, °
Facet Twist, ° 0.28 0.01 0.51 0.51 – EX
Crown height, mm 1.358 1.335 1.377 0.042 EX EX
Pavilion height, mm 4.043 4.021 4.062 0.040 – –
Table, mm 5.369 5.339 5.393 0.054 EX EX
Culet, mm 0.028 0.022 0.033 0.011 VG EX
Girdle height bezel, mm 0.281 0.261 0.298 0.036 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.21 34.07 34.36 0.29 – –
Pavilion angle, ° 40.86 40.83 40.90 0.07 – –
Fish eye effect, ° 8.35 – – – N/A –
Culet through Crown Bezel, ° 12.10 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.32 -0.33 0.23 0.00 -0.13 0.20 0.17 -0.30
Crown azimuths dev. from ideal 0.35 -0.37 -0.30 -0.50 -0.68 0.16 -0.28 -0.65
Crown painting 0.72 0.71 0.11 -1.61 -0.01 0.39 -0.40 0.27
0.03 0.39 -0.96 -0.82 1.02 0.55 1.81 -0.21
Pavilion painting 0.99 0.00 0.37 -1.12 0.65 -0.89 0.68 -0.33
-0.03 -0.11 0.13 -0.50 0.09 -0.03 0.18 -1.08
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.26 ± 0.16 % 0.024 ± 0.015 mm N/A
Girdle-Table offset by table axis 0.15 ± 0.14 % 0.014 ± 0.013 mm N/A
Table-Culet offset by table axis 0.35 ± 0.17 % 0.033 ± 0.016 mm N/A
Girdle to table-culet line offset 0.35 % 0.033 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 9.395 9.382 9.380 9.365 – – – –
Radius, mm 4.701 4.680 4.697 4.684 4.692 4.701 4.683 4.681
Crown angle, ° 34.23 34.29 34.07 34.15 34.24 34.43 34.08 34.22
Pavilion angle, ° 40.92 40.91 40.80 40.69 40.73 40.83 40.92 41.10
Total height, % – – – – – – – –
Crown height, % 14.23 14.43 14.32 14.45 14.68 14.63 14.53 14.55
Crown height bone, % 14.40 14.48 14.43 14.55 14.48 14.88 14.34 13.92
Pavilion height, % 43.30 43.22 43.28 42.99 42.94 43.00 42.87 43.24
Pavilion upperbone, % 43.33 43.24 43.19 42.92 42.92 42.87 43.12 43.26
Table, % 57.50 57.39 57.18 56.92 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.05 2.93 2.98 3.14 2.96 2.96 3.17 2.79
Girdle height bone, % 2.85 2.86 2.96 3.11 3.18 2.84 3.12 3.40
Girdle height 1.10 1.15 1.42 1.24 1.12 1.56 1.44 1.35
valley, % 1.27 1.17 1.36 1.33 1.39 1.37 1.33 1.79
Star: 47.83: 48.38: 48.43: 47.84: 48.56: 46.86: 50.14: 48.85:
Upper ratio, % 52.17 51.62 51.57 52.16 51.44 53.14 49.86 51.15
Star angle, ° 20.81 20.46 19.78 20.63 20.86 20.61 20.68 20.50
Upper girdle 40.51 40.26 40.87 40.90 40.75 40.32 40.80 40.57
angle, ° 40.95 40.78 40.88 40.80 40.11 40.21 39.82 40.19
Length girdle 78.69 77.88 78.48 77.69 76.82 76.76 76.38 76.80
facet, % 76.80 77.42 77.14 76.51 77.55 77.23 78.07 77.54
Lower girdle angle / 42.00 42.00 42.05 41.96 42.01 41.89 41.88 41.93
Halves angle, ° 41.95 42.05 41.88 41.97 42.22 42.21 42.33 42.11
Facet Twist, ° 0.06 0.01 0.48 0.46 0.51 0.01 0.42 0.31
Crown height, mm 1.335 1.353 1.343 1.355 1.377 1.372 1.363 1.365
Pavilion height, mm 4.062 4.054 4.060 4.032 4.028 4.033 4.021 4.056
Table, mm 5.393 5.383 5.363 5.339 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.286 0.275 0.280 0.295 0.278 0.277 0.298 0.261
 
Measurement as per OctoNus theory:
Crown angle, ° 34.23 34.36 34.07 34.18 – – – –
Pavilion angle, ° 40.83 40.87 40.86 40.90 – – – –
MIC, mm 9.350 Extra Facet Crown No –
Girdle to MIC, mm 0.008 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.13 N/A 1.81 EX
Crown,notch. 0.0, Negligible 0.5
Pavilion, ° -0.06 N/A -1.12 EX
Pavilion,notch. 0.0, Negligible 0.3