Illustrated report for brilliant

Polished Brilliant
Brilliant
20.12.2025
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.38, 1.3874
Measurements 7.160 (7.139-7.180) x 4.383 / 0.021 (mm)
Spread -0.03ct, -2.42 %
AGS Spread -0.03 ct, -2.54%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
7.139 mm 7.180 mm 1.006 7.139 mm 7.180 mm 7.160 mm 4.383 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.033 mm 3.067 mm 4.119 mm 0.026 mm 0.284 mm 0.257 mm 0.149 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 medium errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 7.160 7.139 7.180 0.57% - EX
Radius, mm 3.578 3.554 3.593 0.039% – –
Crown angle, ° 34.16 34.05 34.31 0.26 EX EX
Pavilion angle, ° 40.66 40.22 40.77 0.55 EX EX
Total height, % 61.22 – – – - –
Crown height, % 14.43 14.25 14.60 0.35 - EX
Crown height bone, % 14.78 14.44 15.01 0.58 – –
Pavilion height, % 42.83 42.64 43.04 0.40 – –
Pavilion upperbone, % 42.86 42.65 43.03 0.38 – –
Table, % 57.54 57.39 57.80 0.41 EX EX
Culet, % 0.36 0.27 0.42 0.15 EX -
Girdle height bezel, % 3.96 3.84 4.11 0.27 EX EX
Girdle height bone, % 3.59 3.47 3.79 0.32 – -
Girdle height 2.08 1.66 2.49 0.83 - -
valley, %
Star: 47.85: 46.92: 48.86: 1.94 EX EX
Upper ratio, % 52.15 53.08 51.14
Star angle, ° 20.56 19.97 21.06 1.09 – EX
Upper girdle 41.39 40.62 41.93 1.31 – EX
angle, °
Length girdle 77.01 74.90 80.52 5.62 EX VG
facet, %
Lower girdle angle / 41.89 41.74 41.98 0.24 – EX
Halves angle, °
Facet Twist, ° 0.68 0.19 1.57 1.38 – -
Crown height, mm 1.033 1.020 1.045 0.025 - EX
Pavilion height, mm 3.067 3.053 3.081 0.029 – –
Table, mm 4.119 4.109 4.138 0.029 EX EX
Culet, mm 0.026 0.019 0.030 0.011 EX -
Girdle height bezel, mm 0.284 0.275 0.294 0.019 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.16 34.13 34.21 0.07 – –
Pavilion angle, ° 40.66 40.41 40.75 0.33 – –
Fish eye effect, ° 7.28 – – – - –
Culet through Crown Bezel, ° 11.90 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.04 0.23 0.14 -0.04 -0.26 1.27 -0.22 -0.13
Crown azimuths dev. from ideal -0.65 -0.46 -0.23 -0.93 -0.47 -0.31 0.30 -0.67
Crown painting -2.37 -1.23 -1.68 -2.27 -0.82 -1.63 -1.70 -1.05
-0.68 -1.00 -0.64 -0.24 -0.92 -0.52 -1.06 -0.59
Pavilion painting 0.02 -0.51 0.38 -0.18 0.40 -0.49 0.44 -0.41
0.27 -3.15 1.46 -0.26 0.16 -0.40 0.18 -0.01
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.14 ± 0.20 % 0.010 ± 0.014 mm EX
Girdle-Table offset by table axis 0.34 ± 0.17 % 0.025 ± 0.012 mm EX
Table-Culet offset by table axis 0.47 ± 0.21 % 0.034 ± 0.015 mm EX
Girdle to table-culet line offset 0.47 % 0.034 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 7.164 7.170 7.160 7.147 – – – –
Radius, mm 3.580 3.585 3.577 3.578 3.582 3.585 3.581 3.565
Crown angle, ° 34.05 34.11 34.16 34.13 34.22 34.31 34.14 34.19
Pavilion angle, ° 40.73 40.61 40.73 40.77 40.76 40.22 40.71 40.72
Total height, % – – – – – – – –
Crown height, % 14.60 14.48 14.39 14.25 14.34 14.34 14.45 14.55
Crown height bone, % 15.01 14.98 14.66 14.69 14.56 14.44 14.90 14.98
Pavilion height, % 42.78 42.64 42.89 42.96 43.04 42.81 42.93 42.64
Pavilion upperbone, % 42.65 42.76 42.78 43.03 43.00 43.00 42.85 42.78
Table, % 57.46 57.80 57.51 57.39 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.85 4.11 3.94 4.01 3.84 4.07 3.84 4.04
Girdle height bone, % 3.56 3.48 3.78 3.50 3.67 3.79 3.47 3.47
Girdle height 2.02 2.35 2.25 1.90 2.05 2.17 1.91 2.11
valley, % 1.98 2.49 2.07 2.09 2.07 1.92 2.24 1.66
Star: 48.22: 46.92: 47.49: 48.86: 47.73: 47.33: 48.33: 47.89:
Upper ratio, % 51.78 53.08 52.51 51.14 52.27 52.67 51.67 52.11
Star angle, ° 20.27 20.62 20.78 20.26 20.48 19.97 21.06 21.05
Upper girdle 41.75 41.33 41.33 41.57 41.57 41.81 41.93 41.61
angle, ° 41.48 41.53 41.06 40.62 41.19 41.00 41.40 41.02
Length girdle 77.73 77.43 77.25 76.09 76.57 77.37 77.01 77.64
facet, % 75.69 80.52 76.80 74.90 75.94 77.14 76.72 77.34
Lower girdle angle / 41.86 41.76 41.74 41.83 41.98 41.93 41.89 41.86
Halves angle, ° 41.96 41.84 41.98 41.94 41.90 41.84 41.95 41.93
Facet Twist, ° 0.68 0.67 0.36 0.88 0.19 1.57 0.53 0.53
Crown height, mm 1.045 1.036 1.030 1.020 1.027 1.027 1.035 1.042
Pavilion height, mm 3.063 3.053 3.071 3.076 3.081 3.065 3.073 3.053
Table, mm 4.114 4.138 4.117 4.109 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.275 0.294 0.282 0.287 0.275 0.291 0.275 0.289
 
Measurement as per OctoNus theory:
Crown angle, ° 34.13 34.21 34.15 34.16 – – – –
Pavilion angle, ° 40.75 40.41 40.72 40.75 – – – –
MIC, mm 7.118 Extra Facet Crown No –
Girdle to MIC, mm 0.021 Extra Facet Pavilion Yes (2) –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -1.15 Digging EX -2.37 -
Crown,notch. 0.3, Small 0.6
Pavilion, ° -0.13 EX -3.15 -
Pavilion,notch. 0.0, Negligible 0.8