Illustrated report for brilliant

Polished Brilliant
Brilliant
24.02.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 4.21, 4.2148
Measurements 10.369 (10.349-10.386) x 6.382 / 0.002 (mm)
Spread -0.10ct, -2.34 %
AGS Spread -0.10 ct, -2.50%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
10.349 mm 10.386 mm 1.004 10.349 mm 10.386 mm 10.369 mm 6.382 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.547 mm 4.466 mm 5.897 mm 0.033 mm 0.369 mm 0.400 mm 0.214 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 small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 10.369 10.349 10.386 0.36% - EX
Radius, mm 5.183 5.171 5.195 0.024% – –
Crown angle, ° 34.65 34.47 34.75 0.27 EX EX
Pavilion angle, ° 40.85 40.61 41.03 0.42 EX EX
Total height, % 61.55 – – – - –
Crown height, % 14.92 14.65 15.09 0.44 - EX
Crown height bone, % 14.64 14.56 14.77 0.21 – –
Pavilion height, % 43.07 42.89 43.30 0.41 – –
Pavilion upperbone, % 43.06 42.79 43.38 0.59 – –
Table, % 56.87 56.69 57.06 0.38 EX EX
Culet, % 0.31 0.23 0.35 0.12 EX -
Girdle height bezel, % 3.56 3.31 3.84 0.53 EX EX
Girdle height bone, % 3.85 3.61 4.02 0.41 – -
Girdle height 2.06 1.68 2.38 0.69 - -
valley, %
Star: 47.35: 46.56: 48.00: 1.44 EX EX
Upper ratio, % 52.65 53.44 52.00
Star angle, ° 20.89 20.64 21.18 0.54 – EX
Upper girdle 40.32 39.67 41.49 1.82 – EX
angle, °
Length girdle 75.95 75.19 76.60 1.41 EX EX
facet, %
Lower girdle angle / 42.07 41.76 42.29 0.53 – EX
Halves angle, °
Facet Twist, ° 0.44 0.04 1.04 1.00 – -
Crown height, mm 1.547 1.519 1.565 0.045 - EX
Pavilion height, mm 4.466 4.447 4.490 0.042 – –
Table, mm 5.897 5.878 5.917 0.039 EX EX
Culet, mm 0.033 0.024 0.036 0.013 EX -
Girdle height bezel, mm 0.369 0.343 0.398 0.055 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.65 34.61 34.68 0.07 – –
Pavilion angle, ° 40.85 40.78 40.93 0.14 – –
Fish eye effect, ° 8.44 – – – - –
Culet through Crown Bezel, ° 10.16 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.15 0.13 -0.14 -0.33 0.02 0.03 0.58 -0.03
Crown azimuths dev. from ideal 0.26 0.08 0.60 0.55 -0.03 0.18 -0.47 0.47
Crown painting 1.77 -0.06 1.12 0.89 2.36 0.29 1.64 1.20
1.44 0.35 2.19 0.98 -0.48 -0.34 0.47 1.34
Pavilion painting 0.51 0.20 -0.11 0.17 0.00 0.15 -0.43 0.18
-0.12 -0.25 -0.05 -0.97 0.08 0.23 -0.53 0.02
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.40 ± 0.15 % 0.042 ± 0.015 mm EX
Girdle-Table offset by table axis 0.19 ± 0.12 % 0.020 ± 0.013 mm EX
Table-Culet offset by table axis 0.46 ± 0.16 % 0.047 ± 0.017 mm EX
Girdle to table-culet line offset 0.46 % 0.047 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 10.375 10.384 10.370 10.370 – – – –
Radius, mm 5.191 5.192 5.184 5.181 5.183 5.192 5.185 5.188
Crown angle, ° 34.61 34.74 34.75 34.64 34.68 34.47 34.61 34.67
Pavilion angle, ° 40.95 40.96 40.78 40.82 40.61 40.80 40.87 41.03
Total height, % – – – – – – – –
Crown height, % 15.09 14.98 15.06 14.94 14.93 14.94 14.65 14.77
Crown height bone, % 14.77 14.65 14.64 14.64 14.60 14.56 14.64 14.61
Pavilion height, % 42.89 43.00 42.91 43.23 43.01 43.30 43.06 43.15
Pavilion upperbone, % 42.79 42.91 43.11 43.11 43.12 43.38 43.10 42.92
Table, % 56.69 56.71 57.02 57.06 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.57 3.57 3.58 3.38 3.61 3.31 3.84 3.63
Girdle height bone, % 3.99 3.99 3.80 3.79 3.83 3.61 3.81 4.02
Girdle height 2.25 2.04 1.99 2.28 2.18 1.84 1.88 2.06
valley, % 2.16 1.87 1.68 2.07 2.38 1.98 2.22 2.15
Star: 46.56: 47.74: 47.45: 47.32: 47.08: 46.87: 47.75: 48.00:
Upper ratio, % 53.44 52.26 52.55 52.68 52.92 53.13 52.25 52.00
Star angle, ° 20.79 20.85 21.00 21.18 20.85 20.89 20.64 20.97
Upper girdle 39.75 40.66 40.37 40.30 39.67 40.29 40.20 40.25
angle, ° 40.01 40.14 39.76 40.39 41.11 41.49 40.57 40.11
Length girdle 75.79 75.19 76.37 76.54 75.29 75.43 75.92 75.63
facet, % 76.41 75.97 76.26 76.60 76.21 75.45 76.07 76.03
Lower girdle angle / 42.12 42.16 42.15 41.94 42.00 42.10 42.01 41.85
Halves angle, ° 41.76 41.94 42.14 42.17 42.11 42.29 42.27 42.13
Facet Twist, ° 0.12 0.04 0.75 0.89 0.04 0.16 1.04 0.51
Crown height, mm 1.565 1.553 1.562 1.550 1.548 1.549 1.519 1.531
Pavilion height, mm 4.447 4.458 4.449 4.483 4.460 4.490 4.465 4.474
Table, mm 5.878 5.880 5.913 5.917 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.370 0.370 0.371 0.350 0.375 0.343 0.398 0.376
 
Measurement as per OctoNus theory:
Crown angle, ° 34.65 34.61 34.68 34.65 – – – –
Pavilion angle, ° 40.78 40.88 40.82 40.93 – – – –
MIC, mm 10.347 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, ° 0.95 Painting EX 2.36 -
Crown,notch. 0.3, Very small 0.6
Pavilion, ° -0.06 EX -0.97 -
Pavilion,notch. 0.0, Negligible 0.3