Illustrated report for brilliant

Polished Brilliant
Brilliant
15.02.2025
Model Shadow scan
Expert name N/A
Scale weight, ct 5.22
Corrected mass, ct 5.22, 5.2236
Measurements 11.095 (11.061-11.124) x 6.854 / 0.005 (mm)
Spread -0.18ct, -3.53 %
AGS Spread -0.19 ct, -3.68%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
11.061 mm 11.124 mm 1.006 11.061 mm 11.124 mm 11.095 mm 6.854 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.677 mm 4.744 mm 6.244 mm 0.028 mm 0.433 mm 0.460 mm 0.258 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 medium errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 11.095 11.061 11.124 0.57% - EX
Radius, mm 5.546 5.521 5.569 0.048% – –
Crown angle, ° 34.65 34.44 34.99 0.55 EX EX
Pavilion angle, ° 40.61 40.50 40.73 0.23 EX EX
Total height, % 61.77 – – – - –
Crown height, % 15.11 14.95 15.38 0.44 - EX
Crown height bone, % 14.95 14.76 15.21 0.45 – –
Pavilion height, % 42.76 42.49 43.14 0.64 – –
Pavilion upperbone, % 42.67 42.37 42.98 0.62 – –
Table, % 56.27 56.09 56.53 0.44 EX EX
Culet, % 0.25 0.20 0.28 0.08 EX -
Girdle height bezel, % 3.90 3.49 4.23 0.75 EX EX
Girdle height bone, % 4.15 3.92 4.55 0.63 – -
Girdle height 2.32 1.84 2.78 0.94 - -
valley, %
Star: 48.85: 47.78: 49.82: 2.04 EX EX
Upper ratio, % 51.15 52.22 50.18
Star angle, ° 21.57 21.33 21.90 0.57 – EX
Upper girdle 40.72 39.96 41.32 1.35 – EX
angle, °
Length girdle 74.81 73.49 75.72 2.23 EX EX
facet, %
Lower girdle angle / 41.84 41.73 42.06 0.33 – EX
Halves angle, °
Facet Twist, ° 0.49 0.08 0.80 0.72 – -
Crown height, mm 1.677 1.658 1.707 0.048 - EX
Pavilion height, mm 4.744 4.715 4.786 0.071 – –
Table, mm 6.244 6.223 6.272 0.048 EX EX
Culet, mm 0.028 0.022 0.031 0.009 EX -
Girdle height bezel, mm 0.433 0.387 0.470 0.083 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.65 34.57 34.72 0.15 – –
Pavilion angle, ° 40.61 40.54 40.68 0.14 – –
Fish eye effect, ° 7.79 – – – - –
Culet through Crown Bezel, ° 9.33 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.11 0.13 -0.34 -0.41 0.02 -0.02 0.09 0.02
Crown azimuths dev. from ideal -0.70 -0.53 0.26 -0.07 -0.07 0.16 -0.71 -0.43
Crown painting -0.64 0.76 -0.64 -0.47 1.50 1.48 0.22 0.15
0.17 1.59 1.18 0.80 0.73 0.47 -0.14 0.71
Pavilion painting 0.51 -0.06 0.10 0.81 -0.27 1.02 0.02 0.27
0.39 -0.15 0.48 -0.02 0.21 0.10 0.52 -0.23
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.22 ± 0.14 % 0.025 ± 0.016 mm EX
Girdle-Table offset by table axis 0.26 ± 0.12 % 0.029 ± 0.013 mm EX
Table-Culet offset by table axis 0.36 ± 0.16 % 0.040 ± 0.017 mm EX
Girdle to table-culet line offset 0.36 % 0.040 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 11.105 11.062 11.098 11.119 – – – –
Radius, mm 5.547 5.538 5.541 5.560 5.555 5.523 5.556 5.559
Crown angle, ° 34.56 34.44 34.51 34.62 34.71 34.99 34.63 34.75
Pavilion angle, ° 40.73 40.50 40.56 40.67 40.63 40.58 40.53 40.69
Total height, % – – – – – – – –
Crown height, % 15.38 15.04 15.04 15.14 14.95 15.04 15.18 15.12
Crown height bone, % 15.21 15.04 14.80 14.89 14.76 14.85 14.95 15.11
Pavilion height, % 42.84 42.53 42.82 43.14 42.95 42.49 42.55 42.74
Pavilion upperbone, % 42.64 42.58 42.98 42.84 42.72 42.37 42.60 42.65
Table, % 56.09 56.26 56.21 56.53 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.54 4.20 3.91 3.49 3.87 4.23 4.03 3.91
Girdle height bone, % 3.92 4.16 3.98 4.04 4.28 4.55 4.22 4.02
Girdle height 1.84 2.53 2.36 2.32 2.13 2.04 2.16 2.33
valley, % 2.48 2.46 2.78 2.46 2.50 2.48 2.25 2.06
Star: 49.69: 49.30: 48.14: 48.67: 48.70: 47.78: 48.69: 49.82:
Upper ratio, % 50.31 50.70 51.86 51.33 51.30 52.22 51.31 50.18
Star angle, ° 21.90 21.36 21.42 21.33 21.59 21.35 21.87 21.75
Upper girdle 41.32 40.52 41.28 41.09 40.00 39.96 40.75 40.86
angle, ° 40.94 40.53 40.51 40.49 40.69 40.59 41.22 40.71
Length girdle 75.41 75.49 74.45 73.49 75.39 74.85 75.72 75.64
facet, % 74.41 74.66 73.51 74.57 74.93 75.11 74.86 74.41
Lower girdle angle / 41.91 41.73 41.75 41.73 41.86 41.87 41.79 41.80
Halves angle, ° 41.86 41.85 41.81 41.79 41.78 41.80 41.98 42.06
Facet Twist, ° 0.80 0.65 0.61 0.35 0.08 0.19 0.79 0.44
Crown height, mm 1.707 1.668 1.669 1.680 1.658 1.669 1.685 1.677
Pavilion height, mm 4.754 4.719 4.751 4.786 4.766 4.715 4.722 4.742
Table, mm 6.223 6.243 6.236 6.272 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.393 0.466 0.434 0.387 0.430 0.470 0.447 0.434
 
Measurement as per OctoNus theory:
Crown angle, ° 34.64 34.72 34.57 34.69 – – – –
Pavilion angle, ° 40.68 40.54 40.55 40.68 – – – –
MIC, mm 11.056 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, ° 0.49 Painting EX 1.59 -
Crown,notch. 0.1, Very small 0.4
Pavilion, ° 0.23 EX 1.02 -
Pavilion,notch. 0.1, Negligible 0.3