Illustrated report for brilliant

Polished Brilliant
Brilliant
02.01.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 4.12, 4.1206
Measurements 10.293 (10.279-10.318) x 6.333 / 0.005 (mm)
Spread -0.09ct, -2.29 %
AGS Spread -0.10 ct, -2.45%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
10.279 mm 10.318 mm 1.004 10.279 mm 10.318 mm 10.293 mm 6.333 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.534 mm 4.423 mm 5.764 mm 0.029 mm 0.376 mm 0.407 mm 0.222 mm
Appraiser title GIA Facetware.Mfg
Overall cut quality EX
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry quality EX
Final grade EX
Model building info The model has small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 10.293 10.279 10.318 0.38% - EX
Radius, mm 5.145 5.134 5.165 0.031% – –
Crown angle, ° 34.17 34.04 34.37 0.33 EX EX
Pavilion angle, ° 40.75 40.62 40.96 0.35 EX EX
Total height, % 61.52 – – – - –
Crown height, % 14.90 14.74 15.11 0.38 - EX
Crown height bone, % 14.68 14.14 15.01 0.87 – –
Pavilion height, % 42.97 42.69 43.29 0.60 – –
Pavilion upperbone, % 42.90 42.55 43.17 0.62 – –
Table, % 56.00 55.93 56.16 0.24 EX EX
Culet, % 0.29 0.23 0.35 0.13 EX -
Girdle height bezel, % 3.65 3.44 3.88 0.44 EX EX
Girdle height bone, % 3.95 3.66 4.29 0.63 – -
Girdle height 2.15 1.88 2.43 0.55 - -
valley, %
Star: 46.41: 45.37: 47.62: 2.25 EX EX
Upper ratio, % 53.59 54.63 52.38
Star angle, ° 20.49 20.07 20.80 0.73 – EX
Upper girdle 39.70 38.57 40.71 2.13 – EX
angle, °
Length girdle 76.83 75.70 77.81 2.11 EX EX
facet, %
Lower girdle angle / 41.91 41.74 42.10 0.37 – EX
Halves angle, °
Facet Twist, ° 0.22 0.01 0.45 0.44 – -
Crown height, mm 1.534 1.517 1.555 0.039 - EX
Pavilion height, mm 4.423 4.395 4.456 0.061 – –
Table, mm 5.764 5.757 5.781 0.024 EX EX
Culet, mm 0.029 0.023 0.037 0.013 EX -
Girdle height bezel, mm 0.376 0.354 0.399 0.045 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.17 34.11 34.23 0.11 – –
Pavilion angle, ° 40.75 40.69 40.83 0.14 – –
Fish eye effect, ° 8.55 – – – - –
Culet through Crown Bezel, ° 10.07 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.04 -0.20 0.40 -0.04 0.04 -0.23 -0.17 -0.28
Crown azimuths dev. from ideal 0.04 -0.08 0.03 0.12 -0.07 0.08 0.32 0.16
Crown painting -0.25 -0.01 0.97 2.11 0.33 -0.15 1.45 1.81
1.66 3.07 -1.05 -0.75 1.52 2.05 -0.91 0.55
Pavilion painting 0.66 0.18 -0.25 0.09 0.35 0.35 -0.35 0.41
0.26 0.23 -0.03 0.45 0.07 -0.06 0.09 0.09
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.09 ± 0.15 % 0.009 ± 0.015 mm EX
Girdle-Table offset by table axis 0.18 ± 0.13 % 0.018 ± 0.013 mm EX
Table-Culet offset by table axis 0.20 ± 0.16 % 0.020 ± 0.017 mm EX
Girdle to table-culet line offset 0.20 % 0.020 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 10.282 10.296 10.299 10.306 – – – –
Radius, mm 5.137 5.149 5.147 5.148 5.143 5.145 5.151 5.157
Crown angle, ° 34.21 34.30 34.08 34.08 34.04 34.14 34.14 34.37
Pavilion angle, ° 40.69 40.62 40.68 40.77 40.96 40.75 40.85 40.72
Total height, % – – – – – – – –
Crown height, % 14.95 15.11 14.98 14.88 14.80 14.74 14.85 14.91
Crown height bone, % 14.97 14.66 14.88 14.41 14.14 14.92 14.43 15.01
Pavilion height, % 42.69 42.76 42.88 43.06 43.29 42.99 43.14 42.93
Pavilion upperbone, % 42.55 42.82 42.86 43.17 43.10 42.95 43.02 42.73
Table, % 55.93 55.96 55.94 56.16 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.88 3.65 3.66 3.59 3.44 3.80 3.54 3.69
Girdle height bone, % 4.01 4.04 3.79 3.95 4.29 3.66 4.07 3.79
Girdle height 2.23 2.14 2.04 2.17 2.32 1.88 2.10 1.93
valley, % 2.21 2.43 2.19 1.88 2.17 2.34 2.17 2.26
Star: 46.03: 46.96: 46.08: 47.05: 47.62: 46.03: 46.12: 45.37:
Upper ratio, % 53.97 53.04 53.92 52.95 52.38 53.97 53.88 54.63
Star angle, ° 20.75 20.80 20.42 20.48 20.61 20.07 20.40 20.40
Upper girdle 40.13 40.38 39.71 39.02 39.62 40.16 39.16 39.14
angle, ° 39.10 38.57 40.51 40.67 39.26 39.05 40.71 40.03
Length girdle 77.08 76.56 75.70 76.58 77.24 77.81 77.22 77.63
facet, % 76.85 76.76 76.74 77.06 76.44 76.97 76.12 76.52
Lower girdle angle / 41.79 41.79 41.89 41.87 41.74 41.86 42.00 42.10
Halves angle, ° 42.06 41.94 41.90 42.03 41.96 41.91 41.91 41.87
Facet Twist, ° 0.01 0.05 0.45 0.08 0.19 0.23 0.41 0.37
Crown height, mm 1.539 1.555 1.542 1.531 1.523 1.517 1.528 1.534
Pavilion height, mm 4.395 4.401 4.414 4.432 4.456 4.425 4.441 4.419
Table, mm 5.757 5.760 5.758 5.781 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.399 0.376 0.377 0.369 0.354 0.391 0.364 0.379
 
Measurement as per OctoNus theory:
Crown angle, ° 34.13 34.22 34.11 34.23 – – – –
Pavilion angle, ° 40.83 40.69 40.76 40.74 – – – –
MIC, mm 10.274 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, ° 0.77 Painting EX 3.07 -
Crown,notch. 0.2, Very small 0.8
Pavilion, ° 0.16 EX 0.66 -
Pavilion,notch. 0.0, Negligible 0.2