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 0.73, 0.7306
Measurements 5.794 (5.779-5.810) x 3.513 / 0.005 (mm)
Spread -0.01ct, -1.77 %
AGS Spread -0.01 ct, -1.91%
Extra Facet Girdle / Nat 1 (1/0)
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
5.779 mm 5.810 mm 1.005 5.779 mm 5.810 mm 5.794 mm 3.513 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
0.815 mm 2.453 mm 3.306 mm 0.029 mm 0.245 mm 0.233 mm 0.142 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality VG
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality VG
Final grade VG
Model building info The model has small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 5.794 5.779 5.810 0.54% - EX
Radius, mm 2.896 2.884 2.906 0.022% – –
Crown angle, ° 33.29 33.06 33.63 0.57 VG EX
Pavilion angle, ° 40.44 40.26 40.67 0.40 VG EX
Total height, % 60.64 – – – - –
Crown height, % 14.07 13.93 14.12 0.19 - EX
Crown height bone, % 13.99 13.50 14.61 1.11 – –
Pavilion height, % 42.33 42.02 42.64 0.62 – –
Pavilion upperbone, % 42.62 41.98 43.36 1.38 – –
Table, % 57.05 56.86 57.26 0.39 VG EX
Culet, % 0.51 0.40 0.56 0.17 EX -
Girdle height bezel, % 4.23 3.88 4.59 0.70 VG EX
Girdle height bone, % 4.02 3.64 4.73 1.10 – -
Girdle height 2.45 2.13 3.11 0.98 - -
valley, %
Star: 47.48: 46.30: 48.34: 2.04 VG EX
Upper ratio, % 52.52 53.70 51.66
Star angle, ° 19.78 18.76 20.78 2.01 – EX
Upper girdle 39.33 37.92 40.81 2.89 – EX
angle, °
Length girdle 73.91 72.65 75.08 2.43 VG EX
facet, %
Lower girdle angle / 41.87 41.47 42.38 0.91 – EX
Halves angle, °
Facet Twist, ° 1.61 0.33 2.94 2.61 – -
Crown height, mm 0.815 0.807 0.818 0.011 - EX
Pavilion height, mm 2.453 2.435 2.471 0.036 – –
Table, mm 3.306 3.295 3.318 0.023 VG EX
Culet, mm 0.029 0.023 0.033 0.010 EX -
Girdle height bezel, mm 0.245 0.225 0.266 0.041 VG EX
Measurement as per OctoNus theory:
Crown angle, ° 33.29 33.27 33.34 0.07 – –
Pavilion angle, ° 40.44 40.36 40.52 0.16 – –
Fish eye effect, ° 6.68 – – – - –
Culet through Crown Bezel, ° 13.32 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.14 -0.02 0.51 -0.63 0.02 0.23 -0.70 0.36
Crown azimuths dev. from ideal 0.82 1.81 -0.67 0.92 2.89 2.78 0.78 0.61
Crown painting 2.30 1.35 -0.14 -1.80 -0.44 0.25 -0.58 -0.86
0.55 -1.93 0.89 -0.50 1.88 1.81 1.07 2.10
Pavilion painting -0.05 -0.88 -0.70 -0.67 0.71 1.80 -4.27 1.83
-2.22 0.84 -2.14 1.88 -4.28 -1.04 -3.43 -1.31
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.20 ± 0.24 % 0.011 ± 0.014 mm EX
Girdle-Table offset by table axis 0.01 ± 0.21 % 0.001 ± 0.012 mm EX
Table-Culet offset by table axis 0.21 ± 0.25 % 0.012 ± 0.014 mm EX
Girdle to table-culet line offset 0.21 % 0.012 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 5.806 5.781 5.784 5.800 – – – –
Radius, mm 2.904 2.887 2.892 2.898 2.901 2.893 2.892 2.901
Crown angle, ° 33.22 33.27 33.06 33.36 33.33 33.30 33.63 33.19
Pavilion angle, ° 40.42 40.26 40.38 40.29 40.54 40.46 40.67 40.47
Total height, % – – – – – – – –
Crown height, % 14.12 14.01 13.93 14.09 14.12 14.06 14.10 14.11
Crown height bone, % 13.50 14.61 13.92 14.13 14.17 14.31 13.66 13.64
Pavilion height, % 42.60 42.04 42.18 42.02 42.36 42.24 42.59 42.64
Pavilion upperbone, % 42.48 42.28 41.98 42.61 42.34 42.59 43.33 43.36
Table, % 56.98 56.86 57.26 57.09 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.92 4.59 4.52 4.53 4.16 4.33 3.95 3.88
Girdle height bone, % 4.65 3.74 4.73 3.89 4.12 3.74 3.64 3.64
Girdle height 2.71 3.11 2.45 2.38 2.99 2.64 2.33 2.36
valley, % 2.58 2.54 2.27 2.13 2.20 2.13 2.17 2.22
Star: 46.30: 48.34: 47.61: 47.73: 47.81: 47.86: 46.35: 47.86:
Upper ratio, % 53.70 51.66 52.39 52.27 52.19 52.14 53.65 52.14
Star angle, ° 19.57 20.78 19.44 18.76 19.75 20.41 20.23 19.26
Upper girdle 37.94 37.92 40.53 40.81 39.67 39.56 39.93 39.96
angle, ° 39.60 40.13 39.60 40.06 38.59 38.58 38.43 38.03
Length girdle 74.31 75.08 73.25 73.73 74.25 74.90 74.76 74.66
facet, % 73.58 73.69 73.77 73.34 73.65 72.65 73.21 73.68
Lower girdle angle / 41.58 41.55 41.78 41.76 41.53 41.47 41.99 41.81
Halves angle, ° 41.87 41.79 41.95 41.95 42.38 42.27 42.16 42.12
Facet Twist, ° 0.75 1.91 1.10 1.64 2.94 2.63 1.56 0.33
Crown height, mm 0.818 0.812 0.807 0.816 0.818 0.815 0.817 0.818
Pavilion height, mm 2.469 2.436 2.444 2.435 2.454 2.447 2.468 2.471
Table, mm 3.302 3.295 3.318 3.308 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.227 0.266 0.262 0.262 0.241 0.251 0.229 0.225
 
Measurement as per OctoNus theory:
Crown angle, ° 33.27 33.29 33.34 33.27 – – – –
Pavilion angle, ° 40.48 40.36 40.52 40.38 – – – –
MIC, mm 5.775 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, ° 0.37 EX 2.30 -
Crown,notch. 0.1, Negligible 0.6
Pavilion, ° -0.87 Digging EX -4.28 -
Pavilion,notch. 0.2, Very small 1.1