Illustrated report for brilliant

Polished Brilliant
Brilliant
21.11.2025
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.71, 1.7176
Measurements 7.715 (7.701-7.746) x 4.731 / 0.004 (mm)
Spread -0.02ct, -1.38 %
AGS Spread -0.02 ct, -1.47%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
7.701 mm 7.746 mm 1.006 7.701 mm 7.746 mm 7.715 mm 4.731 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.149 mm 3.326 mm 4.364 mm 0.026 mm 0.257 mm 0.265 mm 0.133 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality EX
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality EX
Final grade EX
Model building info The model has big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 7.715 7.701 7.746 0.59% - EX
Radius, mm 3.855 3.846 3.894 0.048% – –
Crown angle, ° 34.48 34.28 34.68 0.40 EX EX
Pavilion angle, ° 40.86 40.75 41.15 0.40 EX EX
Total height, % 61.33 – – – - –
Crown height, % 14.89 14.60 15.11 0.51 - EX
Crown height bone, % 14.81 14.54 15.23 0.69 – –
Pavilion height, % 43.11 42.87 43.40 0.53 – –
Pavilion upperbone, % 43.08 42.86 43.33 0.47 – –
Table, % 56.57 56.44 56.65 0.21 EX EX
Culet, % 0.34 0.26 0.40 0.14 EX -
Girdle height bezel, % 3.33 3.07 3.56 0.50 EX EX
Girdle height bone, % 3.44 3.23 3.59 0.35 – -
Girdle height 1.73 1.42 1.99 0.57 - -
valley, %
Star: 46.92: 46.11: 47.57: 1.46 EX EX
Upper ratio, % 53.08 53.89 52.43
Star angle, ° 20.67 20.30 21.20 0.90 – EX
Upper girdle 40.57 40.29 41.00 0.71 – EX
angle, °
Length girdle 77.33 76.45 78.10 1.65 EX EX
facet, %
Lower girdle angle / 42.03 41.76 42.49 0.73 – EX
Halves angle, °
Facet Twist, ° 0.29 0.10 0.62 0.53 – -
Crown height, mm 1.149 1.126 1.166 0.040 - EX
Pavilion height, mm 3.326 3.307 3.348 0.041 – –
Table, mm 4.364 4.354 4.371 0.016 EX EX
Culet, mm 0.026 0.020 0.031 0.011 EX -
Girdle height bezel, mm 0.257 0.236 0.275 0.039 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.48 34.44 34.51 0.07 – –
Pavilion angle, ° 40.86 40.79 40.98 0.19 – –
Fish eye effect, ° 8.69 – – – - –
Culet through Crown Bezel, ° 10.33 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.02 0.05 0.06 0.06 -0.01 -0.05 0.14 -0.08
Crown azimuths dev. from ideal 0.11 0.21 0.44 0.67 0.08 0.58 0.34 -0.21
Crown painting 0.85 0.41 -0.32 -0.11 -0.37 0.56 -0.88 0.06
0.90 1.03 0.43 0.27 0.34 -0.13 0.33 -0.56
Pavilion painting 0.14 0.08 0.08 0.05 0.07 0.21 -0.55 0.64
-0.57 0.27 -0.09 -0.80 0.25 0.11 0.08 -0.23
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.27 ± 0.19 % 0.021 ± 0.014 mm EX
Girdle-Table offset by table axis 0.17 ± 0.16 % 0.013 ± 0.013 mm EX
Table-Culet offset by table axis 0.43 ± 0.20 % 0.033 ± 0.016 mm EX
Girdle to table-culet line offset 0.43 % 0.033 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 7.714 7.744 7.719 7.712 – – – –
Radius, mm 3.853 3.878 3.854 3.853 3.860 3.851 3.865 3.857
Crown angle, ° 34.28 34.34 34.43 34.46 34.60 34.68 34.54 34.51
Pavilion angle, ° 40.80 40.81 40.78 40.75 40.98 41.15 40.81 40.83
Total height, % – – – – – – – –
Crown height, % 14.60 14.86 14.75 14.99 15.11 14.96 15.06 14.79
Crown height bone, % 14.54 14.70 14.90 15.23 14.77 14.83 14.88 14.62
Pavilion height, % 43.16 43.40 43.06 42.87 43.10 43.21 42.98 43.10
Pavilion upperbone, % 43.24 43.10 43.04 42.86 43.33 42.97 42.98 43.12
Table, % 56.54 56.65 56.65 56.44 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.56 3.07 3.52 3.47 3.12 3.16 3.29 3.44
Girdle height bone, % 3.54 3.53 3.39 3.24 3.23 3.53 3.47 3.59
Girdle height 1.80 1.91 1.64 1.79 1.83 1.45 1.95 1.42
valley, % 1.44 1.45 1.73 1.99 1.64 1.90 1.68 1.99
Star: 47.57: 47.49: 47.30: 46.39: 46.84: 46.29: 46.11: 47.37:
Upper ratio, % 52.43 52.51 52.70 53.61 53.16 53.71 53.89 52.63
Star angle, ° 20.48 20.48 20.67 21.20 20.62 20.80 20.82 20.30
Upper girdle 40.39 40.40 40.77 41.00 40.83 40.70 40.97 40.68
angle, ° 40.29 40.40 40.38 40.32 40.47 40.44 40.60 40.53
Length girdle 77.42 77.82 77.92 78.10 77.16 76.56 77.24 76.97
facet, % 77.12 77.15 77.44 77.85 76.99 77.11 76.45 78.03
Lower girdle angle / 42.00 41.96 41.93 41.95 41.90 42.09 41.76 42.01
Halves angle, ° 42.29 42.49 42.18 41.96 42.02 41.96 42.01 41.95
Facet Twist, ° 0.13 0.16 0.38 0.61 0.10 0.62 0.20 0.13
Crown height, mm 1.126 1.147 1.138 1.156 1.166 1.154 1.162 1.141
Pavilion height, mm 3.330 3.348 3.322 3.307 3.325 3.333 3.316 3.325
Table, mm 4.362 4.371 4.370 4.354 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.275 0.236 0.271 0.268 0.240 0.243 0.253 0.265
 
Measurement as per OctoNus theory:
Crown angle, ° 34.44 34.51 34.48 34.49 – – – –
Pavilion angle, ° 40.89 40.98 40.79 40.79 – – – –
MIC, mm 7.697 Extra Facet Crown No –
Girdle to MIC, mm 0.004 Extra Facet Pavilion Yes (2) –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.18 EX 1.03 -
Crown,notch. 0.0, Negligible 0.3
Pavilion, ° -0.02 EX -0.80 -
Pavilion,notch. 0.0, Negligible 0.2