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 3.81, 3.8175
Measurements 10.085 (10.060-10.108) x 6.182 / 0.008 (mm)
Spread -0.03ct, -0.77 %
AGS Spread -0.03 ct, -0.91%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
10.060 mm 10.108 mm 1.005 10.060 mm 10.108 mm 10.085 mm 6.182 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.529 mm 4.340 mm 5.636 mm 0.031 mm 0.313 mm 0.355 mm 0.169 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 10.085 10.060 10.108 0.48% - EX
Radius, mm 5.041 5.025 5.057 0.032% – –
Crown angle, ° 34.51 34.32 34.68 0.35 EX EX
Pavilion angle, ° 40.82 40.69 40.95 0.25 EX EX
Total height, % 61.30 – – – - –
Crown height, % 15.16 14.86 15.37 0.51 - EX
Crown height bone, % 14.68 14.49 14.96 0.46 – –
Pavilion height, % 43.03 42.78 43.20 0.42 – –
Pavilion upperbone, % 43.10 42.96 43.26 0.29 – –
Table, % 55.88 55.69 55.97 0.28 EX EX
Culet, % 0.31 0.27 0.34 0.07 EX -
Girdle height bezel, % 3.11 2.89 3.33 0.43 EX EX
Girdle height bone, % 3.52 3.13 3.79 0.66 – -
Girdle height 1.68 1.45 1.97 0.52 - -
valley, %
Star: 47.06: 46.77: 48.07: 1.30 EX EX
Upper ratio, % 52.94 53.23 51.93
Star angle, ° 21.21 20.85 21.47 0.62 – EX
Upper girdle 39.49 38.51 40.01 1.50 – EX
angle, °
Length girdle 77.16 76.30 78.30 2.01 EX EX
facet, %
Lower girdle angle / 42.01 41.85 42.17 0.32 – EX
Halves angle, °
Facet Twist, ° 0.32 0.02 0.86 0.84 – -
Crown height, mm 1.529 1.499 1.550 0.051 - EX
Pavilion height, mm 4.340 4.314 4.357 0.043 – –
Table, mm 5.636 5.616 5.645 0.029 EX EX
Culet, mm 0.031 0.027 0.034 0.007 EX -
Girdle height bezel, mm 0.313 0.292 0.335 0.044 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.51 34.42 34.61 0.20 – –
Pavilion angle, ° 40.82 40.79 40.90 0.10 – –
Fish eye effect, ° 8.93 – – – - –
Culet through Crown Bezel, ° 9.61 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.26 0.04 -0.04 -0.02 -0.26 0.23 0.12 -0.29
Crown azimuths dev. from ideal -0.08 0.57 0.23 -0.06 -0.09 -0.02 0.03 0.54
Crown painting 1.54 0.99 1.06 1.35 2.27 2.24 2.48 2.45
2.95 3.17 1.94 2.46 2.33 0.77 1.59 0.57
Pavilion painting 0.28 -0.22 0.04 -0.16 0.24 -0.33 -0.04 0.17
-0.82 0.46 -0.48 0.64 -0.01 -0.48 -0.66 -0.36
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.35 ± 0.15 % 0.035 ± 0.015 mm EX
Girdle-Table offset by table axis 0.28 ± 0.13 % 0.029 ± 0.013 mm EX
Table-Culet offset by table axis 0.62 ± 0.17 % 0.063 ± 0.017 mm EX
Girdle to table-culet line offset 0.62 % 0.063 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 10.092 10.092 10.072 10.071 – – – –
Radius, mm 5.045 5.050 5.030 5.031 5.046 5.042 5.042 5.038
Crown angle, ° 34.38 34.51 34.55 34.65 34.45 34.32 34.68 34.55
Pavilion angle, ° 40.70 40.69 40.85 40.81 40.91 40.90 40.95 40.78
Total height, % – – – – – – – –
Crown height, % 14.86 15.02 15.31 15.20 15.37 15.22 15.21 15.06
Crown height bone, % 14.54 14.96 14.80 14.70 14.52 14.69 14.49 14.71
Pavilion height, % 43.15 43.20 43.02 42.78 42.94 42.90 43.19 43.09
Pavilion upperbone, % 43.26 43.21 43.08 42.96 42.98 43.09 43.13 43.12
Table, % 55.89 55.97 55.69 55.97 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.28 3.08 2.97 3.33 2.99 3.17 2.89 3.15
Girdle height bone, % 3.49 3.13 3.42 3.63 3.79 3.51 3.68 3.46
Girdle height 1.62 1.66 1.51 1.49 1.51 1.97 1.79 1.81
valley, % 1.55 1.84 1.77 1.67 1.59 1.72 1.45 1.86
Star: 46.89: 46.77: 47.13: 46.80: 46.81: 48.07: 47.13: 46.84:
Upper ratio, % 53.11 53.23 52.87 53.20 53.19 51.93 52.87 53.16
Star angle, ° 21.07 21.20 21.25 21.47 21.26 21.47 21.08 20.85
Upper girdle 39.86 39.98 39.97 39.99 39.49 39.21 39.18 38.96
angle, ° 38.79 38.51 39.45 39.41 39.38 39.90 40.01 39.78
Length girdle 77.23 76.41 76.30 76.43 77.02 77.63 76.50 76.68
facet, % 77.10 77.33 77.80 78.30 77.92 77.82 77.73 76.41
Lower girdle angle / 41.86 41.91 41.92 42.03 42.07 42.01 42.04 42.10
Halves angle, ° 42.17 42.12 42.02 42.05 42.06 42.03 41.97 41.85
Facet Twist, ° 0.32 0.55 0.29 0.02 0.19 0.22 0.07 0.86
Crown height, mm 1.499 1.515 1.544 1.533 1.550 1.535 1.534 1.519
Pavilion height, mm 4.352 4.357 4.339 4.314 4.330 4.327 4.356 4.345
Table, mm 5.637 5.645 5.616 5.645 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.331 0.310 0.299 0.335 0.302 0.320 0.292 0.317
 
Measurement as per OctoNus theory:
Crown angle, ° 34.42 34.42 34.61 34.60 – – – –
Pavilion angle, ° 40.80 40.80 40.90 40.79 – – – –
MIC, mm 10.051 Extra Facet Crown No –
Girdle to MIC, mm 0.008 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 1.88 Painting EX 3.17 -
Crown,notch. 0.5, Small 0.8
Pavilion, ° -0.11 EX -0.82 -
Pavilion,notch. 0.0, Negligible 0.2