Illustrated report for brilliant

Polished Brilliant
Brilliant
25.05.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 2.04, 2.0428
Measurements 8.214 (8.198-8.236) x 4.985 / 0.010 (mm)
Spread 0.00ct, 0.18 %
AGS Spread 0.00 ct, 0.05%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
8.198 mm 8.236 mm 1.005 8.198 mm 8.236 mm 8.214 mm 4.985 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.197 mm 3.535 mm 4.717 mm 0.017 mm 0.253 mm 0.288 mm 0.133 mm
Appraiser title SpecialCuboid
Overall cut quality N/A
Symmetry appraiser title Symmetry
Overall symmetry quality EX
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 8.214 8.198 8.236 0.47% N/A EX
Radius, mm 4.106 4.092 4.122 0.030% – –
Crown angle, ° 34.41 34.20 34.74 0.54 N/A EX
Pavilion angle, ° 40.79 40.72 40.89 0.17 N/A EX
Total height, % 60.69 – – – N/A –
Crown height, % 14.57 14.38 14.76 0.38 N/A EX
Crown height bone, % 14.14 13.92 14.31 0.39 – –
Pavilion height, % 43.04 42.88 43.15 0.27 – –
Pavilion upperbone, % 43.05 42.92 43.16 0.25 – –
Table, % 57.43 57.13 57.66 0.53 N/A EX
Culet, % 0.21 0.16 0.23 0.07 N/A EX
Girdle height bezel, % 3.08 2.86 3.30 0.44 N/A EX
Girdle height bone, % 3.50 3.30 3.81 0.50 – EX
Girdle height 1.61 1.30 1.97 0.68 N/A EX
valley, %
Star: 48.63: 47.72: 49.32: 1.60 N/A EX
Upper ratio, % 51.37 52.28 50.68
Star angle, ° 20.78 20.31 21.07 0.76 – EX
Upper girdle 39.90 39.40 40.30 0.89 – EX
angle, °
Length girdle 78.68 77.99 79.82 1.84 N/A EX
facet, %
Lower girdle angle / 41.92 41.83 42.09 0.26 – EX
Halves angle, °
Facet Twist, ° 0.21 0.03 0.69 0.66 – EX
Crown height, mm 1.197 1.181 1.213 0.031 N/A EX
Pavilion height, mm 3.535 3.523 3.545 0.022 – –
Table, mm 4.717 4.693 4.736 0.044 N/A EX
Culet, mm 0.017 0.013 0.019 0.005 N/A EX
Girdle height bezel, mm 0.253 0.235 0.271 0.036 N/A EX
Measurement as per OctoNus theory:
Crown angle, ° 34.41 34.31 34.48 0.18 – –
Pavilion angle, ° 40.79 40.74 40.83 0.09 – –
Fish eye effect, ° 7.90 – – – N/A –
Culet through Crown Bezel, ° 11.91 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.04 -0.16 0.09 0.40 0.39 -0.21 0.04 0.01
Crown azimuths dev. from ideal -0.04 -0.31 0.12 0.20 0.68 0.45 0.07 0.19
Crown painting 1.72 1.08 1.38 1.52 1.11 1.30 1.05 1.55
1.81 1.25 1.34 1.25 2.01 0.82 2.11 1.73
Pavilion painting -0.33 -0.51 -0.10 0.02 -0.32 0.00 0.04 -0.28
0.03 0.19 -0.31 -0.33 -0.06 -0.42 -0.07 0.11
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 0.26 ± 0.15 % 0.022 ± 0.013 mm N/A
Table-Culet offset by table axis 0.34 ± 0.19 % 0.028 ± 0.016 mm N/A
Girdle to table-culet line offset 0.34 % 0.028 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 8.205 8.225 8.214 8.219 – – – –
Radius, mm 4.098 4.114 4.101 4.107 4.105 4.110 4.112 4.112
Crown angle, ° 34.20 34.42 34.22 34.27 34.74 34.55 34.52 34.34
Pavilion angle, ° 40.89 40.77 40.76 40.80 40.76 40.80 40.72 40.80
Total height, % – – – – – – – –
Crown height, % 14.76 14.58 14.38 14.39 14.56 14.57 14.70 14.59
Crown height bone, % 14.22 14.10 14.05 13.92 14.20 14.31 14.11 14.21
Pavilion height, % 43.06 43.15 43.01 43.15 42.97 43.04 42.88 43.05
Pavilion upperbone, % 43.16 43.14 43.05 42.96 43.07 43.01 42.92 43.06
Table, % 57.13 57.66 57.44 57.48 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 2.86 2.95 3.30 3.15 3.15 3.08 3.10 3.05
Girdle height bone, % 3.30 3.45 3.58 3.81 3.42 3.37 3.66 3.41
Girdle height 1.33 1.30 1.59 1.61 1.64 1.65 1.78 1.92
valley, % 1.46 1.60 1.60 1.65 1.97 1.70 1.69 1.32
Star: 49.32: 48.66: 48.85: 47.72: 48.74: 48.37: 48.63: 48.74:
Upper ratio, % 50.68 51.34 51.15 52.28 51.26 51.63 51.37 51.26
Star angle, ° 20.94 21.05 20.38 20.31 21.07 20.97 20.84 20.66
Upper girdle 39.71 40.14 39.92 39.78 40.03 39.99 39.69 39.79
angle, ° 40.30 40.22 40.06 40.15 39.66 40.00 39.40 39.56
Length girdle 78.65 79.11 78.56 78.38 78.28 78.77 77.99 78.85
facet, % 78.25 79.12 79.03 79.82 78.29 78.15 78.85 78.82
Lower girdle angle / 42.09 42.04 41.84 41.84 41.91 41.91 41.87 41.83
Halves angle, ° 41.96 41.91 41.93 41.83 41.87 41.97 41.98 41.95
Facet Twist, ° 0.03 0.13 0.06 0.17 0.32 0.69 0.05 0.21
Crown height, mm 1.213 1.198 1.181 1.182 1.196 1.197 1.208 1.199
Pavilion height, mm 3.537 3.545 3.533 3.544 3.530 3.535 3.523 3.536
Table, mm 4.693 4.736 4.718 4.722 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.235 0.242 0.271 0.258 0.259 0.253 0.255 0.250
 
Measurement as per OctoNus theory:
Crown angle, ° 34.47 34.48 34.37 34.31 – – – –
Pavilion angle, ° 40.83 40.79 40.74 40.80 – – – –
MIC, mm 8.187 Extra Facet Crown No –
Girdle to MIC, mm 0.010 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 1.44 Painting N/A 2.11 EX
Crown,notch. 0.4, Small 0.6
Pavilion, ° -0.15 N/A -0.51 EX
Pavilion,notch. 0.0, Negligible 0.1