Illustrated report for brilliant

Polished Brilliant
Brilliant
13.02.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.57, 1.5690
Measurements 7.440 (7.419-7.456) x 4.591 / 0.002 (mm)
Spread -0.05ct, -3.18 %
AGS Spread -0.05 ct, -3.32%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
7.419 mm 7.456 mm 1.005 7.419 mm 7.456 mm 7.440 mm 4.591 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.122 mm 3.185 mm 4.186 mm 0.028 mm 0.285 mm 0.299 mm 0.168 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 big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 7.440 7.419 7.456 0.50% - EX
Radius, mm 3.719 3.706 3.732 0.026% – –
Crown angle, ° 34.62 34.23 34.85 0.62 EX EX
Pavilion angle, ° 40.69 40.56 40.83 0.27 EX EX
Total height, % 61.70 – – – - –
Crown height, % 15.08 14.79 15.45 0.66 - EX
Crown height bone, % 14.93 14.64 15.26 0.62 – –
Pavilion height, % 42.80 42.55 43.16 0.61 – –
Pavilion upperbone, % 42.75 42.43 43.01 0.57 – –
Table, % 56.26 56.08 56.51 0.43 EX EX
Culet, % 0.38 0.32 0.42 0.10 EX -
Girdle height bezel, % 3.83 3.51 4.13 0.62 EX EX
Girdle height bone, % 4.02 3.83 4.32 0.49 – -
Girdle height 2.26 1.99 2.47 0.48 - -
valley, %
Star: 46.91: 46.26: 47.63: 1.38 EX EX
Upper ratio, % 53.09 53.74 52.37
Star angle, ° 21.04 20.42 21.55 1.14 – EX
Upper girdle 40.36 39.39 40.99 1.60 – EX
angle, °
Length girdle 76.65 75.67 77.48 1.81 EX EX
facet, %
Lower girdle angle / 41.83 41.34 42.00 0.67 – EX
Halves angle, °
Facet Twist, ° 0.12 0.01 0.59 0.58 – -
Crown height, mm 1.122 1.100 1.149 0.049 - EX
Pavilion height, mm 3.185 3.166 3.211 0.045 – –
Table, mm 4.186 4.172 4.204 0.032 EX EX
Culet, mm 0.028 0.024 0.031 0.008 EX -
Girdle height bezel, mm 0.285 0.261 0.307 0.046 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.62 34.54 34.67 0.14 – –
Pavilion angle, ° 40.69 40.61 40.75 0.14 – –
Fish eye effect, ° 8.13 – – – - –
Culet through Crown Bezel, ° 9.43 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.04 0.04 0.03 0.16 -0.14 0.15 0.20 0.18
Crown azimuths dev. from ideal -0.14 -0.04 0.07 -0.52 -0.24 0.14 0.22 0.06
Crown painting 0.19 0.81 2.62 1.07 1.45 1.18 0.91 0.20
-0.42 0.58 1.60 1.03 -4.05 0.96 -0.31 0.43
Pavilion painting -0.81 0.15 0.16 -0.36 2.76 0.58 0.23 -0.04
-0.78 0.18 0.34 0.44 0.15 0.15 0.27 0.45
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.23 ± 0.19 % 0.017 ± 0.014 mm EX
Girdle-Table offset by table axis 0.23 ± 0.17 % 0.017 ± 0.013 mm EX
Table-Culet offset by table axis 0.36 ± 0.21 % 0.027 ± 0.015 mm EX
Girdle to table-culet line offset 0.36 % 0.027 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 7.435 7.447 7.445 7.422 – – – –
Radius, mm 3.717 3.723 3.725 3.706 3.718 3.724 3.720 3.715
Crown angle, ° 34.85 34.76 34.71 34.63 34.23 34.59 34.53 34.67
Pavilion angle, ° 40.66 40.71 40.56 40.74 40.57 40.79 40.83 40.67
Total height, % – – – – – – – –
Crown height, % 15.32 15.45 15.18 15.03 14.79 15.00 14.82 15.02
Crown height bone, % 15.14 14.85 14.95 14.77 14.80 14.64 15.05 15.26
Pavilion height, % 42.55 42.75 42.71 42.87 42.79 43.16 43.01 42.58
Pavilion upperbone, % 42.58 42.76 42.43 42.87 43.00 43.01 42.73 42.61
Table, % 56.24 56.08 56.51 56.19 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.84 3.51 3.81 3.80 4.13 3.55 3.88 4.10
Girdle height bone, % 3.99 4.09 4.32 4.06 3.90 4.06 3.92 3.83
Girdle height 2.25 2.24 2.14 2.30 2.47 1.99 2.44 2.14
valley, % 2.43 2.04 2.22 2.27 2.25 2.43 2.41 2.17
Star: 46.46: 47.59: 46.68: 47.63: 46.61: 47.19: 46.26: 46.89:
Upper ratio, % 53.54 52.41 53.32 52.37 53.39 52.81 53.74 53.11
Star angle, ° 21.01 21.34 21.55 20.77 20.42 20.74 20.98 21.55
Upper girdle 40.98 40.20 39.39 39.95 39.99 40.37 40.25 40.33
angle, ° 40.82 40.26 39.91 40.34 40.99 40.34 40.93 40.79
Length girdle 76.94 75.72 76.28 75.67 77.08 76.13 77.09 76.57
facet, % 76.75 77.20 76.76 76.82 77.48 77.35 76.27 76.29
Lower girdle angle / 41.87 41.93 41.86 41.77 41.34 41.94 41.79 41.74
Halves angle, ° 41.85 41.95 41.93 42.00 41.86 41.83 41.80 41.89
Facet Twist, ° 0.01 0.01 0.12 0.59 0.01 0.08 0.10 0.03
Crown height, mm 1.140 1.149 1.130 1.119 1.100 1.116 1.102 1.117
Pavilion height, mm 3.166 3.181 3.178 3.190 3.184 3.211 3.200 3.168
Table, mm 4.185 4.172 4.204 4.181 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.286 0.261 0.283 0.283 0.307 0.264 0.289 0.305
 
Measurement as per OctoNus theory:
Crown angle, ° 34.54 34.67 34.62 34.65 – – – –
Pavilion angle, ° 40.61 40.75 40.69 40.71 – – – –
MIC, mm 7.417 Extra Facet Crown Yes (2) –
Girdle to MIC, mm 0.002 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.52 Painting EX -4.05 -
Crown,notch. 0.1, Very small 1.1
Pavilion, ° 0.24 EX 2.76 -
Pavilion,notch. 0.1, Negligible 0.7