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 2.52, 2.5227
Measurements 8.723 (8.706-8.736) x 5.366 / 0.011 (mm)
Spread -0.07ct, -2.91 %
AGS Spread -0.07 ct, -3.06%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
8.706 mm 8.736 mm 1.003 8.706 mm 8.736 mm 8.723 mm 5.366 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.301 mm 3.730 mm 4.969 mm 0.027 mm 0.335 mm 0.318 mm 0.179 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 medium errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 8.723 8.706 8.736 0.35% - EX
Radius, mm 4.360 4.346 4.370 0.025% – –
Crown angle, ° 34.70 34.56 34.92 0.35 EX EX
Pavilion angle, ° 40.63 40.47 40.77 0.30 EX EX
Total height, % 61.52 – – – - –
Crown height, % 14.92 14.76 15.11 0.35 - EX
Crown height bone, % 15.15 14.94 15.31 0.37 – –
Pavilion height, % 42.76 42.50 43.09 0.59 – –
Pavilion upperbone, % 42.72 42.50 43.01 0.52 – –
Table, % 56.96 56.78 57.18 0.41 EX EX
Culet, % 0.31 0.24 0.34 0.10 EX -
Girdle height bezel, % 3.84 3.58 4.16 0.57 EX EX
Girdle height bone, % 3.65 3.40 3.84 0.44 – -
Girdle height 2.05 1.74 2.37 0.63 - -
valley, %
Star: 45.50: 44.83: 46.40: 1.57 EX EX
Upper ratio, % 54.50 55.17 53.60
Star angle, ° 20.44 20.17 20.79 0.62 – EX
Upper girdle 41.41 40.94 41.73 0.79 – EX
angle, °
Length girdle 75.67 74.70 76.70 2.00 EX EX
facet, %
Lower girdle angle / 41.86 41.66 42.05 0.39 – EX
Halves angle, °
Facet Twist, ° 0.29 0.09 0.62 0.53 – -
Crown height, mm 1.301 1.288 1.318 0.031 - EX
Pavilion height, mm 3.730 3.708 3.759 0.051 – –
Table, mm 4.969 4.953 4.988 0.035 EX EX
Culet, mm 0.027 0.021 0.029 0.008 EX -
Girdle height bezel, mm 0.335 0.313 0.363 0.050 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.70 34.63 34.75 0.12 – –
Pavilion angle, ° 40.63 40.59 40.67 0.07 – –
Fish eye effect, ° 7.48 – – – - –
Culet through Crown Bezel, ° 10.19 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal -0.10 0.14 -0.02 0.03 0.15 0.12 0.04 -0.04
Crown azimuths dev. from ideal -0.27 -0.08 -0.25 0.23 -0.50 0.18 -0.53 -0.35
Crown painting -0.79 0.03 -0.75 0.17 -1.56 -0.83 -0.95 -0.49
-0.93 -1.58 -1.25 -1.88 -1.04 -1.11 -0.86 -0.61
Pavilion painting -0.01 -0.02 0.03 -0.12 0.09 0.06 0.16 -0.17
0.34 -0.39 0.32 -0.33 0.08 0.16 -0.10 0.02
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.47 ± 0.17 % 0.041 ± 0.015 mm EX
Girdle-Table offset by table axis 0.09 ± 0.15 % 0.008 ± 0.013 mm EX
Table-Culet offset by table axis 0.56 ± 0.18 % 0.049 ± 0.016 mm EX
Girdle to table-culet line offset 0.56 % 0.049 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 8.734 8.732 8.714 8.729 – – – –
Radius, mm 4.366 4.363 4.354 4.365 4.367 4.368 4.360 4.364
Crown angle, ° 34.56 34.92 34.81 34.63 34.87 34.59 34.58 34.63
Pavilion angle, ° 40.56 40.61 40.63 40.77 40.77 40.58 40.64 40.47
Total height, % – – – – – – – –
Crown height, % 14.84 14.91 14.90 15.02 15.11 14.86 14.93 14.76
Crown height bone, % 14.94 15.13 15.17 15.28 15.19 15.31 15.23 14.97
Pavilion height, % 43.09 42.93 42.60 42.64 42.63 42.50 42.81 42.86
Pavilion upperbone, % 43.01 42.80 42.51 42.60 42.50 42.54 42.89 42.90
Table, % 56.95 57.18 56.78 56.94 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.58 3.68 4.02 3.86 3.77 4.16 3.78 3.90
Girdle height bone, % 3.56 3.58 3.84 3.64 3.83 3.67 3.40 3.65
Girdle height 1.75 2.07 1.74 2.18 2.22 2.16 2.17 1.94
valley, % 2.10 2.37 2.20 2.00 1.75 2.03 2.13 2.07
Star: 46.01: 44.83: 46.40: 45.84: 44.95: 44.84: 44.96: 46.19:
Upper ratio, % 53.99 55.17 53.60 54.16 55.05 55.16 55.04 53.81
Star angle, ° 20.18 20.55 20.79 20.75 20.45 20.17 20.34 20.24
Upper girdle 41.33 40.94 41.56 41.16 41.73 41.37 41.20 41.42
angle, ° 41.48 41.50 41.48 41.71 41.57 41.32 41.41 41.42
Length girdle 74.92 75.09 74.70 75.51 76.32 76.31 76.01 76.26
facet, % 75.11 75.39 75.21 75.47 75.58 75.89 76.70 76.21
Lower girdle angle / 41.85 41.82 41.88 41.81 41.91 41.87 42.05 42.02
Halves angle, ° 41.98 41.84 41.79 41.92 41.85 41.69 41.66 41.74
Facet Twist, ° 0.14 0.19 0.20 0.22 0.62 0.09 0.55 0.27
Crown height, mm 1.295 1.301 1.300 1.310 1.318 1.296 1.302 1.288
Pavilion height, mm 3.759 3.745 3.716 3.720 3.719 3.708 3.735 3.739
Table, mm 4.968 4.988 4.953 4.967 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.313 0.321 0.350 0.337 0.329 0.363 0.329 0.340
 
Measurement as per OctoNus theory:
Crown angle, ° 34.72 34.75 34.70 34.63 – – – –
Pavilion angle, ° 40.67 40.59 40.63 40.62 – – – –
MIC, mm 8.695 Extra Facet Crown No –
Girdle to MIC, mm 0.011 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° -0.90 Digging EX -1.88 -
Crown,notch. 0.2, Very small 0.5
Pavilion, ° 0.01 EX -0.39 -
Pavilion,notch. 0.0, Negligible 0.1