Illustrated report for brilliant

Polished Brilliant
Brilliant
15.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 0.97, 0.9716
Measurements 6.312 (6.294-6.330) x 3.929 / 0.005 (mm)
Spread -0.04ct, -4.69 %
AGS Spread -0.04 ct, -4.83%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
6.294 mm 6.330 mm 1.006 6.294 mm 6.330 mm 6.312 mm 3.929 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.002 mm 2.674 mm 3.473 mm 0.027 mm 0.253 mm 0.258 mm 0.151 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 6.312 6.294 6.330 0.58% - EX
Radius, mm 3.155 3.142 3.167 0.025% – –
Crown angle, ° 35.21 35.05 35.41 0.36 VG EX
Pavilion angle, ° 40.40 40.31 40.52 0.21 VG EX
Total height, % 62.24 – – – - –
Crown height, % 15.87 15.74 15.99 0.25 - EX
Crown height bone, % 15.76 15.10 16.45 1.36 – –
Pavilion height, % 42.36 42.21 42.53 0.32 – –
Pavilion upperbone, % 42.40 42.13 42.58 0.45 – –
Table, % 55.02 54.66 55.32 0.66 VG EX
Culet, % 0.42 0.35 0.46 0.11 EX -
Girdle height bezel, % 4.01 3.75 4.29 0.54 VG EX
Girdle height bone, % 4.08 3.50 4.68 1.18 – -
Girdle height 2.39 1.98 2.77 0.79 - -
valley, %
Star: 46.77: 43.77: 49.86: 6.09 VG EX
Upper ratio, % 53.23 56.23 50.14
Star angle, ° 22.29 21.47 22.89 1.42 – EX
Upper girdle 40.94 39.76 42.64 2.88 – EX
angle, °
Length girdle 74.29 72.89 75.30 2.41 VG EX
facet, %
Lower girdle angle / 41.69 41.53 41.91 0.39 – EX
Halves angle, °
Facet Twist, ° 1.46 0.10 2.87 2.77 – -
Crown height, mm 1.002 0.993 1.009 0.016 - EX
Pavilion height, mm 2.674 2.664 2.684 0.020 – –
Table, mm 3.473 3.450 3.492 0.042 VG EX
Culet, mm 0.027 0.022 0.029 0.007 EX -
Girdle height bezel, mm 0.253 0.237 0.271 0.034 VG EX
Measurement as per OctoNus theory:
Crown angle, ° 35.21 35.13 35.31 0.17 – –
Pavilion angle, ° 40.40 40.34 40.46 0.12 – –
Fish eye effect, ° 7.64 – – – - –
Culet through Crown Bezel, ° 6.67 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -1.23 0.15 0.00 1.43 -0.40 0.53 -1.22 0.36
Crown azimuths dev. from ideal 1.61 1.47 1.73 2.28 1.10 -0.76 0.68 0.23
Crown painting -1.16 -2.98 0.07 -0.81 0.54 -0.81 1.64 0.96
-0.17 0.15 1.27 2.62 1.36 2.70 0.37 1.10
Pavilion painting -1.65 0.22 -1.00 0.50 -1.78 -0.89 0.36 0.73
0.57 0.74 0.20 1.94 -2.35 0.74 -0.83 1.69
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.29 ± 0.22 % 0.018 ± 0.014 mm EX
Girdle-Table offset by table axis 0.19 ± 0.20 % 0.012 ± 0.012 mm EX
Table-Culet offset by table axis 0.16 ± 0.24 % 0.010 ± 0.015 mm EX
Girdle to table-culet line offset 0.16 % 0.010 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 6.301 6.307 6.323 6.316 – – – –
Radius, mm 3.149 3.151 3.164 3.158 3.150 3.155 3.158 3.157
Crown angle, ° 35.36 35.17 35.30 35.20 35.05 35.10 35.11 35.41
Pavilion angle, ° 40.52 40.49 40.31 40.33 40.39 40.35 40.36 40.47
Total height, % – – – – – – – –
Crown height, % 15.90 15.74 15.92 15.93 15.99 15.94 15.74 15.83
Crown height bone, % 16.45 16.03 15.81 15.76 16.14 15.10 15.37 15.41
Pavilion height, % 42.22 42.21 42.31 42.42 42.51 42.53 42.35 42.34
Pavilion upperbone, % 42.28 42.48 42.52 42.58 42.13 42.47 42.40 42.34
Table, % 54.66 54.91 55.32 55.19 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 4.12 4.29 4.02 3.89 3.75 3.78 4.15 4.07
Girdle height bone, % 3.50 3.74 3.91 3.90 3.98 4.68 4.47 4.49
Girdle height 2.01 2.30 2.29 2.22 2.31 2.27 2.39 2.11
valley, % 2.44 1.98 2.57 2.68 2.77 2.57 2.63 2.68
Star: 43.77: 48.57: 49.86: 45.77: 45.78: 48.27: 45.56: 46.55:
Upper ratio, % 56.23 51.43 50.14 54.23 54.22 51.73 54.44 53.45
Star angle, ° 21.47 22.12 22.78 22.78 22.89 22.05 22.41 21.79
Upper girdle 42.19 42.64 41.58 41.97 41.37 41.65 40.19 40.42
angle, ° 40.83 41.15 40.11 39.76 39.81 39.95 40.61 40.80
Length girdle 75.09 75.30 74.45 74.80 74.46 74.80 74.55 74.30
facet, % 73.87 72.89 73.24 74.08 74.39 74.18 74.22 73.98
Lower girdle angle / 41.91 41.80 41.85 41.70 41.75 41.70 41.60 41.62
Halves angle, ° 41.53 41.56 41.61 41.60 41.68 41.66 41.84 41.69
Facet Twist, ° 2.87 1.36 1.76 0.89 1.53 1.26 1.94 0.10
Crown height, mm 1.004 0.993 1.005 1.006 1.009 1.006 0.994 0.999
Pavilion height, mm 2.665 2.664 2.670 2.678 2.683 2.684 2.673 2.672
Table, mm 3.450 3.466 3.492 3.484 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.260 0.271 0.254 0.246 0.237 0.238 0.262 0.257
 
Measurement as per OctoNus theory:
Crown angle, ° 35.21 35.13 35.21 35.31 – – – –
Pavilion angle, ° 40.46 40.42 40.34 40.40 – – – –
MIC, mm 6.288 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, ° 0.43 Painting EX -2.98 -
Crown,notch. 0.1, Very small 0.8
Pavilion, ° -0.05 EX -2.35 -
Pavilion,notch. 0.0, Negligible 0.6