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 1.74, 1.7399
Measurements 7.714 (7.688-7.743) x 4.748 / 0.005 (mm)
Spread -0.05ct, -2.66 %
AGS Spread -0.05 ct, -2.80%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
7.688 mm 7.743 mm 1.007 7.688 mm 7.743 mm 7.714 mm 4.748 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.170 mm 3.290 mm 4.326 mm 0.033 mm 0.288 mm 0.267 mm 0.150 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality EX
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality VG
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 7.714 7.688 7.743 0.72% - VG
Radius, mm 3.856 3.838 3.878 0.040% – –
Crown angle, ° 34.74 34.58 35.01 0.43 EX EX
Pavilion angle, ° 40.61 40.45 40.82 0.37 EX EX
Total height, % 61.55 – – – - –
Crown height, % 15.17 15.00 15.31 0.31 - EX
Crown height bone, % 15.46 15.33 15.70 0.37 – –
Pavilion height, % 42.65 42.55 42.75 0.21 – –
Pavilion upperbone, % 42.63 42.42 42.87 0.45 – –
Table, % 56.08 55.94 56.18 0.23 EX EX
Culet, % 0.43 0.37 0.47 0.10 EX -
Girdle height bezel, % 3.73 3.55 3.93 0.38 EX EX
Girdle height bone, % 3.46 3.19 3.80 0.61 – -
Girdle height 1.95 1.63 2.28 0.65 - -
valley, %
Star: 46.41: 45.79: 47.62: 1.83 EX EX
Upper ratio, % 53.59 54.21 52.38
Star angle, ° 20.96 20.56 21.37 0.81 – EX
Upper girdle 41.37 40.65 42.24 1.59 – EX
angle, °
Length girdle 76.91 75.11 77.89 2.78 EX EX
facet, %
Lower girdle angle / 41.74 41.58 41.95 0.37 – EX
Halves angle, °
Facet Twist, ° 0.36 0.03 0.59 0.56 – -
Crown height, mm 1.170 1.157 1.181 0.024 - EX
Pavilion height, mm 3.290 3.282 3.298 0.016 – –
Table, mm 4.326 4.315 4.334 0.018 EX EX
Culet, mm 0.033 0.028 0.036 0.008 EX -
Girdle height bezel, mm 0.288 0.274 0.303 0.029 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.74 34.65 34.86 0.21 – –
Pavilion angle, ° 40.61 40.56 40.64 0.08 – –
Fish eye effect, ° 7.93 – – – - –
Culet through Crown Bezel, ° 9.21 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.36 -0.44 -0.25 0.00 0.10 0.28 0.22 0.13
Crown azimuths dev. from ideal -0.33 0.03 -0.02 -0.38 -0.13 -0.32 -0.29 -0.28
Crown painting -1.12 -0.81 -0.51 -0.69 -1.02 -0.94 -1.29 -0.34
0.04 1.07 -1.06 -0.60 -0.97 -0.65 -1.51 -1.15
Pavilion painting -0.02 0.35 0.03 -0.12 0.42 0.20 0.41 0.13
0.38 0.19 0.52 -0.16 0.32 0.04 0.44 0.36
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.36 ± 0.19 % 0.028 ± 0.014 mm EX
Girdle-Table offset by table axis 0.15 ± 0.16 % 0.011 ± 0.013 mm EX
Table-Culet offset by table axis 0.22 ± 0.20 % 0.017 ± 0.016 mm EX
Girdle to table-culet line offset 0.22 % 0.017 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 7.696 7.704 7.722 7.714 – – – –
Radius, mm 3.849 3.856 3.859 3.857 3.845 3.847 3.863 3.856
Crown angle, ° 34.70 34.69 34.74 34.91 35.01 34.60 34.58 34.66
Pavilion angle, ° 40.77 40.68 40.52 40.45 40.45 40.60 40.60 40.82
Total height, % – – – – – – – –
Crown height, % 15.07 15.13 15.28 15.31 15.28 15.23 15.05 15.00
Crown height bone, % 15.39 15.43 15.68 15.70 15.34 15.36 15.47 15.33
Pavilion height, % 42.55 42.58 42.58 42.69 42.64 42.73 42.67 42.75
Pavilion upperbone, % 42.53 42.56 42.55 42.66 42.78 42.67 42.87 42.42
Table, % 56.07 55.94 56.18 56.13 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.93 3.83 3.68 3.55 3.63 3.59 3.82 3.80
Girdle height bone, % 3.62 3.56 3.32 3.19 3.43 3.52 3.21 3.80
Girdle height 1.99 2.01 2.13 1.92 1.78 1.81 1.63 1.85
valley, % 1.85 1.83 2.15 2.24 1.77 1.84 2.15 2.28
Star: 46.05: 46.20: 45.79: 47.39: 47.62: 45.98: 46.09: 46.10:
Upper ratio, % 53.95 53.80 54.21 52.61 52.38 54.02 53.91 53.90
Star angle, ° 20.61 21.03 21.19 21.37 20.99 20.97 20.95 20.56
Upper girdle 41.56 41.38 41.15 41.16 41.59 41.56 42.24 41.89
angle, ° 41.12 40.74 40.93 40.65 41.36 41.28 41.51 41.76
Length girdle 77.50 77.24 77.87 77.55 76.82 76.88 75.11 76.42
facet, % 76.67 77.02 77.46 77.89 76.22 77.13 76.36 76.35
Lower girdle angle / 41.87 41.83 41.75 41.70 41.60 41.59 41.60 41.58
Halves angle, ° 41.60 41.75 41.64 41.64 41.82 41.95 41.93 41.93
Facet Twist, ° 0.03 0.48 0.24 0.37 0.23 0.59 0.51 0.41
Crown height, mm 1.162 1.167 1.179 1.181 1.178 1.175 1.161 1.157
Pavilion height, mm 3.282 3.285 3.285 3.293 3.289 3.296 3.292 3.298
Table, mm 4.325 4.315 4.334 4.330 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.303 0.296 0.284 0.274 0.280 0.277 0.295 0.293
 
Measurement as per OctoNus theory:
Crown angle, ° 34.86 34.65 34.66 34.78 – – – –
Pavilion angle, ° 40.61 40.64 40.56 40.64 – – – –
MIC, mm 7.683 Extra Facet Crown No –
Girdle to MIC, mm 0.005 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -0.72 Digging EX -1.51 -
Crown,notch. 0.2, Very small 0.4
Pavilion, ° 0.22 EX 0.52 -
Pavilion,notch. 0.1, Negligible 0.1