Illustrated report for brilliant

Polished Brilliant
Brilliant
24.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 4.64, 4.6459
Measurements 10.734 (10.707-10.757) x 6.608 / 0.001 (mm)
Spread -0.08ct, -1.70 %
AGS Spread -0.08 ct, -1.85%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
10.707 mm 10.757 mm 1.005 10.707 mm 10.757 mm 10.734 mm 6.608 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.632 mm 4.626 mm 6.015 mm 0.032 mm 0.350 mm 0.367 mm 0.184 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 10.734 10.707 10.757 0.47% - EX
Radius, mm 5.365 5.352 5.380 0.028% – –
Crown angle, ° 34.70 34.53 34.82 0.29 EX EX
Pavilion angle, ° 40.83 40.68 40.97 0.28 EX EX
Total height, % 61.57 – – – - –
Crown height, % 15.21 15.00 15.45 0.45 - EX
Crown height bone, % 15.08 14.72 15.29 0.57 – –
Pavilion height, % 43.09 42.91 43.31 0.40 – –
Pavilion upperbone, % 43.07 42.88 43.31 0.44 – –
Table, % 56.04 55.76 56.33 0.57 EX EX
Culet, % 0.30 0.26 0.32 0.06 EX -
Girdle height bezel, % 3.26 3.00 3.56 0.55 EX EX
Girdle height bone, % 3.42 3.19 3.57 0.38 – -
Girdle height 1.71 1.42 1.90 0.48 - -
valley, %
Star: 49.96: 49.18: 50.74: 1.56 EX EX
Upper ratio, % 50.04 50.82 49.26
Star angle, ° 21.83 21.32 22.19 0.87 – EX
Upper girdle 40.98 40.13 41.77 1.64 – EX
angle, °
Length girdle 77.35 76.36 78.46 2.10 EX EX
facet, %
Lower girdle angle / 42.00 41.79 42.21 0.42 – EX
Halves angle, °
Facet Twist, ° 0.19 0.00 0.38 0.38 – -
Crown height, mm 1.632 1.610 1.658 0.048 - EX
Pavilion height, mm 4.626 4.606 4.649 0.043 – –
Table, mm 6.015 5.985 6.046 0.062 EX EX
Culet, mm 0.032 0.028 0.034 0.006 EX -
Girdle height bezel, mm 0.350 0.322 0.382 0.059 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.70 34.67 34.72 0.05 – –
Pavilion angle, ° 40.83 40.75 40.91 0.16 – –
Fish eye effect, ° 8.85 – – – - –
Culet through Crown Bezel, ° 9.21 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.01 -0.18 -0.24 0.29 0.46 -0.05 0.05 -0.30
Crown azimuths dev. from ideal 0.30 -0.15 0.02 0.45 0.47 -0.33 0.26 0.10
Crown painting 0.03 0.10 1.49 -0.34 -0.24 -0.21 -0.43 -0.99
0.50 0.06 1.73 0.89 0.82 0.28 0.38 1.54
Pavilion painting -0.29 -0.06 -0.13 0.38 -0.64 -0.37 -0.08 -0.21
0.58 0.22 -0.12 0.10 -0.22 0.13 -0.12 0.49
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.23 ± 0.15 % 0.025 ± 0.016 mm EX
Girdle-Table offset by table axis 0.26 ± 0.12 % 0.028 ± 0.013 mm EX
Table-Culet offset by table axis 0.31 ± 0.16 % 0.034 ± 0.017 mm EX
Girdle to table-culet line offset 0.31 % 0.034 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 10.753 10.740 10.724 10.751 – – – –
Radius, mm 5.376 5.368 5.361 5.376 5.375 5.371 5.363 5.374
Crown angle, ° 34.55 34.80 34.75 34.82 34.80 34.63 34.70 34.53
Pavilion angle, ° 40.81 40.83 40.97 40.77 40.68 40.84 40.85 40.87
Total height, % – – – – – – – –
Crown height, % 15.45 15.33 15.00 15.12 15.10 15.26 15.14 15.24
Crown height bone, % 15.29 14.99 15.07 15.26 15.13 14.72 15.06 15.09
Pavilion height, % 43.05 42.91 43.01 42.93 42.97 43.30 43.28 43.31
Pavilion upperbone, % 42.88 43.00 42.99 42.90 43.01 43.30 43.31 43.15
Table, % 55.95 55.76 56.33 56.12 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.07 3.32 3.56 3.51 3.49 3.00 3.15 3.01
Girdle height bone, % 3.40 3.57 3.50 3.41 3.42 3.54 3.19 3.33
Girdle height 1.63 1.83 1.82 1.81 1.87 1.77 1.82 1.84
valley, % 1.90 1.67 1.53 1.85 1.61 1.51 1.42 1.54
Star: 50.61: 50.74: 50.24: 49.18: 49.65: 50.18: 49.23: 49.86:
Upper ratio, % 49.39 49.26 49.76 50.82 50.35 49.82 50.77 50.14
Star angle, ° 22.19 22.03 21.38 21.83 22.09 21.83 21.32 21.94
Upper girdle 40.96 40.89 40.76 41.42 41.62 41.59 41.67 41.77
angle, ° 41.07 40.92 40.17 40.49 40.81 40.68 40.68 40.13
Length girdle 78.46 78.37 77.56 77.38 77.27 77.33 76.36 76.51
facet, % 77.44 77.20 77.92 77.72 77.21 77.30 77.01 76.61
Lower girdle angle / 41.90 41.87 42.09 42.21 42.11 42.08 41.92 41.85
Halves angle, ° 41.79 41.91 42.08 42.01 42.06 41.99 42.08 41.99
Facet Twist, ° 0.28 0.00 0.23 0.13 0.02 0.31 0.19 0.38
Crown height, mm 1.658 1.646 1.610 1.623 1.621 1.638 1.625 1.636
Pavilion height, mm 4.621 4.606 4.616 4.608 4.612 4.647 4.646 4.649
Table, mm 6.006 5.985 6.046 6.024 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.329 0.357 0.382 0.377 0.375 0.322 0.338 0.323
 
Measurement as per OctoNus theory:
Crown angle, ° 34.68 34.71 34.72 34.67 – – – –
Pavilion angle, ° 40.75 40.83 40.91 40.82 – – – –
MIC, mm 10.706 Extra Facet Crown No –
Girdle to MIC, mm 0.001 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.35 EX 1.73 -
Crown,notch. 0.1, Negligible 0.5
Pavilion, ° -0.02 EX -0.64 -
Pavilion,notch. 0.0, Negligible 0.2