Illustrated report for brilliant

Polished Brilliant
Brilliant
10.03.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 5.00, 5.0017
Measurements 10.927 (10.893-10.943) x 6.779 / 0.003 (mm)
Spread -0.18ct, -3.79 %
AGS Spread -0.19 ct, -3.94%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
10.893 mm 10.943 mm 1.005 10.893 mm 10.943 mm 10.927 mm 6.779 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.650 mm 4.695 mm 6.181 mm 0.030 mm 0.435 mm 0.427 mm 0.246 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 10.927 10.893 10.943 0.46% - EX
Radius, mm 5.461 5.443 5.475 0.032% – –
Crown angle, ° 34.87 34.72 34.98 0.26 EX EX
Pavilion angle, ° 40.78 40.62 40.94 0.31 EX EX
Total height, % 62.04 – – – - –
Crown height, % 15.10 14.89 15.37 0.47 - EX
Crown height bone, % 15.04 14.82 15.43 0.61 – –
Pavilion height, % 42.96 42.88 43.05 0.16 – –
Pavilion upperbone, % 43.09 42.91 43.63 0.72 – –
Table, % 56.56 56.19 56.72 0.53 EX EX
Culet, % 0.28 0.21 0.33 0.13 EX -
Girdle height bezel, % 3.98 3.79 4.11 0.32 EX EX
Girdle height bone, % 3.91 3.15 4.24 1.09 – -
Girdle height 2.25 1.64 2.54 0.90 - -
valley, %
Star: 47.75: 47.18: 48.33: 1.15 EX EX
Upper ratio, % 52.25 52.82 51.67
Star angle, ° 21.23 21.08 21.45 0.37 – EX
Upper girdle 41.01 40.68 41.35 0.67 – EX
angle, °
Length girdle 77.22 76.15 78.23 2.08 EX EX
facet, %
Lower girdle angle / 42.01 41.77 42.46 0.69 – EX
Halves angle, °
Facet Twist, ° 0.23 0.02 0.38 0.36 – -
Crown height, mm 1.650 1.627 1.679 0.052 - EX
Pavilion height, mm 4.695 4.686 4.704 0.018 – –
Table, mm 6.181 6.140 6.198 0.058 EX EX
Culet, mm 0.030 0.022 0.036 0.014 EX -
Girdle height bezel, mm 0.435 0.414 0.449 0.035 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.87 34.81 34.98 0.17 – –
Pavilion angle, ° 40.78 40.73 40.83 0.10 – –
Fish eye effect, ° 8.30 – – – - –
Culet through Crown Bezel, ° 9.02 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.28 0.03 -0.01 -0.03 0.03 0.07 0.56 -0.36
Crown azimuths dev. from ideal 0.06 -0.23 0.05 0.26 0.03 -0.01 0.18 0.00
Crown painting -0.03 -0.27 0.10 1.01 0.11 -0.34 0.35 0.03
0.19 0.59 0.62 0.23 0.49 0.57 -0.47 0.79
Pavilion painting -0.58 -0.09 -0.20 -0.03 0.06 -0.30 0.09 -0.09
-0.01 -0.16 -0.53 -1.29 0.62 0.51 -2.33 -1.90
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.28 ± 0.14 % 0.031 ± 0.016 mm EX
Girdle-Table offset by table axis 0.17 ± 0.12 % 0.019 ± 0.013 mm EX
Table-Culet offset by table axis 0.45 ± 0.16 % 0.049 ± 0.017 mm EX
Girdle to table-culet line offset 0.45 % 0.049 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 10.905 10.935 10.930 10.936 – – – –
Radius, mm 5.445 5.467 5.464 5.467 5.456 5.466 5.465 5.467
Crown angle, ° 34.89 34.84 34.98 34.72 34.72 34.92 34.98 34.92
Pavilion angle, ° 40.94 40.90 40.85 40.67 40.72 40.62 40.76 40.79
Total height, % – – – – – – – –
Crown height, % 15.37 15.09 15.19 15.02 14.89 15.07 15.05 15.11
Crown height bone, % 15.43 14.94 15.06 14.96 14.82 14.91 14.96 15.27
Pavilion height, % 42.88 42.95 42.95 42.91 43.05 42.98 43.04 42.95
Pavilion upperbone, % 43.07 42.99 42.91 42.99 42.98 43.21 42.94 43.63
Table, % 56.19 56.71 56.72 56.63 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.79 4.00 3.90 4.11 4.10 3.99 3.95 3.98
Girdle height bone, % 3.55 4.11 4.07 4.09 4.24 3.93 4.14 3.15
Girdle height 1.64 2.06 2.54 2.27 2.36 2.49 2.40 2.37
valley, % 2.31 2.53 2.23 2.37 2.32 2.26 2.06 1.75
Star: 47.18: 47.31: 48.32: 47.43: 48.33: 48.18: 47.51: 47.74:
Upper ratio, % 52.82 52.69 51.68 52.57 51.67 51.82 52.49 52.26
Star angle, ° 21.36 21.10 21.08 21.17 21.11 21.26 21.35 21.45
Upper girdle 41.35 41.27 40.68 40.71 41.17 41.14 40.93 41.19
angle, ° 40.81 40.75 40.99 41.08 41.12 41.03 41.00 40.85
Length girdle 76.77 76.82 76.73 77.17 77.59 78.23 76.81 77.23
facet, % 77.18 77.56 77.65 78.01 77.48 77.52 76.69 76.15
Lower girdle angle / 42.24 42.13 42.10 42.08 41.95 41.84 41.83 41.91
Halves angle, ° 41.87 41.77 41.89 41.95 41.92 41.93 42.27 42.46
Facet Twist, ° 0.35 0.24 0.09 0.31 0.02 0.07 0.37 0.38
Crown height, mm 1.679 1.649 1.660 1.642 1.627 1.646 1.644 1.651
Pavilion height, mm 4.686 4.693 4.693 4.688 4.704 4.697 4.703 4.693
Table, mm 6.140 6.196 6.198 6.188 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.414 0.437 0.426 0.449 0.448 0.436 0.432 0.435
 
Measurement as per OctoNus theory:
Crown angle, ° 34.81 34.88 34.98 34.82 – – – –
Pavilion angle, ° 40.83 40.76 40.80 40.73 – – – –
MIC, mm 10.890 Extra Facet Crown No –
Girdle to MIC, mm 0.003 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.25 EX 1.01 -
Crown,notch. 0.1, Negligible 0.3
Pavilion, ° -0.39 Digging EX -2.33 -
Pavilion,notch. 0.1, Very small 0.6