Illustrated report for brilliant

Polished Brilliant
Brilliant
01.10.2025
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 2.38, 2.3867
Measurements 8.575 (8.541-8.607) x 5.284 / 0.004 (mm)
Spread -0.06ct, -2.52 %
AGS Spread -0.06 ct, -2.66%
Extra Facet Girdle / Nat 1 (1/0)
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
8.541 mm 8.607 mm 1.008 8.541 mm 8.607 mm 8.575 mm 5.284 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.282 mm 3.674 mm 4.768 mm 0.027 mm 0.328 mm 0.334 mm 0.172 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 big errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 8.575 8.541 8.607 0.77% - VG
Radius, mm 4.286 4.268 4.316 0.048% – –
Crown angle, ° 34.18 33.84 34.55 0.71 EX EX
Pavilion angle, ° 40.71 40.45 40.99 0.54 EX EX
Total height, % 61.62 – – – - –
Crown height, % 14.95 14.79 15.27 0.48 - EX
Crown height bone, % 14.81 14.58 15.01 0.44 – –
Pavilion height, % 42.84 42.68 43.00 0.32 – –
Pavilion upperbone, % 42.91 42.76 43.17 0.41 – –
Table, % 55.61 55.47 55.67 0.21 EX EX
Culet, % 0.31 0.25 0.36 0.11 EX -
Girdle height bezel, % 3.82 3.50 4.01 0.50 EX EX
Girdle height bone, % 3.90 3.69 4.06 0.37 – -
Girdle height 2.00 0.59 2.46 1.87 - -
valley, %
Star: 45.70: 44.24: 47.14: 2.89 EX EX
Upper ratio, % 54.30 55.76 52.86
Star angle, ° 20.27 19.75 20.63 0.88 – EX
Upper girdle 39.69 39.03 40.79 1.76 – EX
angle, °
Length girdle 77.73 76.80 78.68 1.88 EX EX
facet, %
Lower girdle angle / 41.88 41.59 42.30 0.71 – EX
Halves angle, °
Facet Twist, ° 0.48 0.15 0.73 0.58 – -
Crown height, mm 1.282 1.268 1.309 0.041 - EX
Pavilion height, mm 3.674 3.660 3.687 0.027 – –
Table, mm 4.768 4.756 4.774 0.018 EX EX
Culet, mm 0.027 0.021 0.031 0.010 EX -
Girdle height bezel, mm 0.328 0.300 0.344 0.043 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.18 34.15 34.22 0.07 – –
Pavilion angle, ° 40.71 40.68 40.74 0.06 – –
Fish eye effect, ° 8.59 – – – - –
Culet through Crown Bezel, ° 9.58 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.27 -0.05 0.05 0.20 0.18 0.69 -0.08 -0.04
Crown azimuths dev. from ideal 0.30 0.58 0.75 0.60 0.00 -0.08 0.07 0.24
Crown painting 1.39 0.61 1.49 -1.32 0.86 -0.28 1.10 0.14
0.80 0.90 -0.10 0.45 0.98 1.29 0.46 0.94
Pavilion painting -0.21 -0.17 -0.03 -0.06 0.01 -0.11 -0.41 0.17
-0.25 -0.50 0.26 -0.16 -0.36 0.09 0.03 0.20
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.46 ± 0.17 % 0.040 ± 0.015 mm EX
Girdle-Table offset by table axis 0.36 ± 0.15 % 0.031 ± 0.013 mm EX
Table-Culet offset by table axis 0.74 ± 0.19 % 0.064 ± 0.016 mm VG
Girdle to table-culet line offset 0.74 % 0.064 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 8.573 8.583 8.578 8.555 – – – –
Radius, mm 4.287 4.293 4.288 4.284 4.285 4.289 4.289 4.271
Crown angle, ° 33.91 34.17 34.54 34.55 34.39 34.12 33.84 33.89
Pavilion angle, ° 40.78 40.65 40.54 40.45 40.58 40.83 40.87 40.99
Total height, % – – – – – – – –
Crown height, % 15.03 15.27 14.98 15.00 14.80 14.79 14.90 14.86
Crown height bone, % 14.90 15.01 14.92 14.85 14.58 14.76 14.63 14.79
Pavilion height, % 42.68 42.84 42.89 42.79 42.91 43.00 42.88 42.75
Pavilion upperbone, % 42.87 42.78 42.82 42.91 43.02 43.17 42.96 42.76
Table, % 55.67 55.47 55.67 55.63 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.91 3.50 3.74 3.83 3.91 3.83 3.83 4.01
Girdle height bone, % 3.84 3.82 3.88 3.86 4.02 3.69 4.02 4.06
Girdle height 2.37 1.86 2.24 2.04 2.09 2.13 2.23 2.14
valley, % 2.44 2.10 0.60 0.59 2.03 2.26 2.46 2.46
Star: 46.45: 47.14: 45.72: 45.20: 46.17: 44.64: 44.24: 46.04:
Upper ratio, % 53.55 52.86 54.28 54.80 53.83 55.36 55.76 53.96
Star angle, ° 20.32 20.45 20.27 20.40 19.97 20.37 19.75 20.63
Upper girdle 39.03 39.60 39.41 40.69 40.30 40.79 39.82 40.30
angle, ° 39.79 39.71 39.72 39.38 39.10 39.18 39.20 39.07
Length girdle 77.65 77.87 78.57 77.80 78.52 78.11 77.38 76.81
facet, % 77.79 78.68 78.00 77.13 78.05 77.53 76.94 76.80
Lower girdle angle / 41.92 41.98 41.64 41.71 41.68 41.66 41.59 41.72
Halves angle, ° 41.77 41.98 41.93 41.94 42.19 42.30 42.04 41.94
Facet Twist, ° 0.60 0.66 0.73 0.43 0.15 0.73 0.18 0.31
Crown height, mm 1.289 1.309 1.285 1.286 1.269 1.268 1.277 1.274
Pavilion height, mm 3.660 3.674 3.678 3.669 3.679 3.687 3.677 3.666
Table, mm 4.774 4.756 4.774 4.770 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.335 0.300 0.321 0.328 0.335 0.328 0.329 0.344
 
Measurement as per OctoNus theory:
Crown angle, ° 34.15 34.15 34.19 34.22 – – – –
Pavilion angle, ° 40.68 40.74 40.71 40.72 – – – –
MIC, mm 8.537 Extra Facet Crown No –
Girdle to MIC, mm 0.004 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 0.61 Painting EX 1.49 -
Crown,notch. 0.2, Very small 0.4
Pavilion, ° -0.09 EX -0.50 -
Pavilion,notch. 0.0, Negligible 0.1