Illustrated report for brilliant

Polished Brilliant
Brilliant
22.05.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 2.13, 2.1335
Measurements 8.246 (8.222-8.267) x 5.088 / 0.001 (mm)
Spread -0.06ct, -3.06 %
AGS Spread -0.07 ct, -3.21%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
8.222 mm 8.267 mm 1.006 8.222 mm 8.267 mm 8.246 mm 5.088 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.244 mm 3.543 mm 4.672 mm 0.031 mm 0.301 mm 0.335 mm 0.182 mm
Appraiser title SpecialCuboid
Overall cut quality N/A
Symmetry appraiser title Symmetry
Overall symmetry quality VG
Final grade N/A
Model building info The model has big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 8.246 8.222 8.267 0.55% N/A EX
Radius, mm 4.121 4.106 4.135 0.029% – –
Crown angle, ° 34.83 34.59 35.19 0.61 N/A VG
Pavilion angle, ° 40.77 40.68 40.88 0.20 N/A EX
Total height, % 61.71 – – – N/A –
Crown height, % 15.09 14.95 15.44 0.49 N/A EX
Crown height bone, % 14.79 14.67 14.86 0.19 – –
Pavilion height, % 42.97 42.79 43.18 0.39 – –
Pavilion upperbone, % 42.85 42.58 42.96 0.39 – –
Table, % 56.66 56.36 56.77 0.41 N/A EX
Culet, % 0.38 0.32 0.41 0.09 N/A EX
Girdle height bezel, % 3.65 3.46 3.84 0.37 N/A EX
Girdle height bone, % 4.06 3.92 4.33 0.41 – EX
Girdle height 2.20 1.94 2.63 0.69 N/A EX
valley, %
Star: 48.30: 47.26: 49.12: 1.86 N/A EX
Upper ratio, % 51.70 52.74 50.88
Star angle, ° 21.44 20.91 21.97 1.06 – EX
Upper girdle 40.61 40.16 41.13 0.97 – EX
angle, °
Length girdle 77.34 76.53 78.30 1.77 N/A EX
facet, %
Lower girdle angle / 41.89 41.79 42.06 0.27 – EX
Halves angle, °
Facet Twist, ° 0.19 0.02 0.57 0.55 – EX
Crown height, mm 1.244 1.233 1.273 0.040 N/A EX
Pavilion height, mm 3.543 3.528 3.561 0.032 – –
Table, mm 4.672 4.648 4.681 0.034 N/A EX
Culet, mm 0.031 0.026 0.033 0.007 N/A EX
Girdle height bezel, mm 0.301 0.286 0.316 0.031 N/A EX
Measurement as per OctoNus theory:
Crown angle, ° 34.83 34.66 35.06 0.40 – –
Pavilion angle, ° 40.77 40.73 40.79 0.06 – –
Fish eye effect, ° 8.22 – – – N/A –
Culet through Crown Bezel, ° 9.51 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.26 0.02 -0.10 0.48 -0.05 0.05 0.34 -0.01
Crown azimuths dev. from ideal -0.41 -0.56 -0.23 0.19 -0.12 -0.01 0.05 -0.01
Crown painting 2.07 1.18 -0.36 1.56 1.04 0.76 1.24 1.00
0.41 0.85 0.26 0.45 0.63 0.53 1.14 2.20
Pavilion painting -0.47 0.34 0.24 0.50 -0.14 -0.14 0.72 0.29
0.03 0.33 -0.14 0.18 0.72 -0.17 0.36 0.60
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.11 ± 0.18 % 0.009 ± 0.015 mm N/A
Girdle-Table offset by table axis 0.15 ± 0.15 % 0.012 ± 0.013 mm N/A
Table-Culet offset by table axis 0.19 ± 0.19 % 0.016 ± 0.016 mm N/A
Girdle to table-culet line offset 0.19 % 0.016 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 8.251 8.262 8.251 8.235 – – – –
Radius, mm 4.127 4.130 4.121 4.117 4.123 4.132 4.129 4.117
Crown angle, ° 35.19 34.67 34.85 34.59 34.92 34.65 34.88 34.86
Pavilion angle, ° 40.70 40.88 40.72 40.83 40.77 40.68 40.85 40.75
Total height, % – – – – – – – –
Crown height, % 15.44 15.02 15.08 15.07 14.95 15.01 15.06 15.08
Crown height bone, % 14.82 14.79 14.76 14.67 14.82 14.83 14.86 14.80
Pavilion height, % 42.80 43.18 42.92 43.09 42.99 42.92 43.03 42.79
Pavilion upperbone, % 42.96 42.92 42.91 42.96 42.87 42.78 42.83 42.58
Table, % 56.77 56.76 56.76 56.36 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.46 3.51 3.70 3.55 3.76 3.78 3.61 3.84
Girdle height bone, % 3.92 3.99 4.03 4.08 4.01 4.10 4.02 4.33
Girdle height 2.08 1.94 1.99 2.21 2.22 2.01 2.13 2.22
valley, % 2.21 2.26 2.31 2.31 2.30 2.11 2.63 2.32
Star: 48.41: 48.28: 48.29: 47.26: 48.92: 47.68: 48.41: 49.12:
Upper ratio, % 51.59 51.72 51.71 52.74 51.08 52.32 51.59 50.88
Star angle, ° 21.57 21.55 20.91 21.34 21.56 21.29 21.35 21.97
Upper girdle 40.24 40.39 41.02 40.47 40.31 40.48 40.18 40.51
angle, ° 41.13 40.73 40.83 40.97 40.84 40.98 40.49 40.16
Length girdle 76.98 76.53 76.97 77.02 77.87 78.30 77.01 77.47
facet, % 77.49 77.20 77.36 77.45 77.98 78.05 76.69 77.13
Lower girdle angle / 41.88 42.06 41.97 41.87 41.82 41.93 41.95 41.91
Halves angle, ° 41.84 41.80 41.85 41.91 41.89 41.94 41.83 41.79
Facet Twist, ° 0.13 0.57 0.11 0.28 0.06 0.05 0.29 0.02
Crown height, mm 1.273 1.238 1.244 1.243 1.233 1.238 1.242 1.244
Pavilion height, mm 3.529 3.561 3.539 3.553 3.545 3.539 3.549 3.528
Table, mm 4.681 4.680 4.681 4.648 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.286 0.289 0.305 0.292 0.310 0.311 0.298 0.316
 
Measurement as per OctoNus theory:
Crown angle, ° 35.06 34.66 34.87 34.72 – – – –
Pavilion angle, ° 40.73 40.78 40.79 40.79 – – – –
MIC, mm 8.221 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, ° 0.93 Painting N/A 2.20 EX
Crown,notch. 0.2, Very small 0.6
Pavilion, ° 0.20 N/A 0.72 EX
Pavilion,notch. 0.1, Negligible 0.2