Illustrated report for brilliant

Polished Brilliant
Brilliant
13.12.2025
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.27, 1.2695
Measurements 6.946 (6.925-6.969) x 4.260 / 0.004 (mm)
Spread -0.03ct, -2.64 %
AGS Spread -0.03 ct, -2.77%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
6.925 mm 6.969 mm 1.006 6.925 mm 6.969 mm 6.946 mm 4.260 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.033 mm 2.968 mm 3.971 mm 0.029 mm 0.259 mm 0.261 mm 0.147 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 6.946 6.925 6.969 0.64% - EX
Radius, mm 3.471 3.460 3.486 0.026% – –
Crown angle, ° 34.77 34.44 34.91 0.47 EX EX
Pavilion angle, ° 40.65 40.56 40.76 0.20 EX EX
Total height, % 61.33 – – – - –
Crown height, % 14.87 14.74 14.97 0.23 - EX
Crown height bone, % 14.86 14.65 15.07 0.42 – –
Pavilion height, % 42.73 42.55 42.97 0.42 – –
Pavilion upperbone, % 42.72 42.52 43.00 0.49 – –
Table, % 57.18 56.91 57.57 0.65 EX EX
Culet, % 0.41 0.31 0.50 0.19 EX -
Girdle height bezel, % 3.73 3.48 3.86 0.38 EX EX
Girdle height bone, % 3.75 3.26 4.01 0.76 – -
Girdle height 2.12 1.62 2.50 0.88 - -
valley, %
Star: 48.70: 47.47: 49.94: 2.46 EX EX
Upper ratio, % 51.30 52.53 50.06
Star angle, ° 21.36 21.16 21.88 0.72 – EX
Upper girdle 41.24 40.62 42.03 1.41 – EX
angle, °
Length girdle 76.30 74.84 77.71 2.87 EX EX
facet, %
Lower girdle angle / 41.82 41.71 41.98 0.27 – EX
Halves angle, °
Facet Twist, ° 0.70 0.10 1.87 1.77 – -
Crown height, mm 1.033 1.024 1.040 0.016 - EX
Pavilion height, mm 2.968 2.955 2.985 0.029 – –
Table, mm 3.971 3.953 3.998 0.045 EX EX
Culet, mm 0.029 0.022 0.035 0.013 EX -
Girdle height bezel, mm 0.259 0.242 0.268 0.027 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.77 34.67 34.82 0.15 – –
Pavilion angle, ° 40.65 40.58 40.70 0.13 – –
Fish eye effect, ° 7.43 – – – - –
Culet through Crown Bezel, ° 10.46 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.00 0.22 0.22 1.90 -1.09 -0.03 -0.04 0.04
Crown azimuths dev. from ideal -0.21 0.63 0.30 0.02 0.75 0.30 0.61 0.15
Crown painting -0.91 0.03 -0.07 -1.01 0.68 0.54 -0.22 -0.85
-0.29 0.29 -0.02 -0.60 1.29 0.51 0.71 1.31
Pavilion painting 0.14 -0.36 0.29 -0.51 0.42 -2.15 1.68 1.32
-0.89 0.15 -0.15 0.14 -0.15 -0.20 -0.09 0.25
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.04 ± 0.20 % 0.003 ± 0.014 mm EX
Girdle-Table offset by table axis 0.08 ± 0.18 % 0.006 ± 0.012 mm EX
Table-Culet offset by table axis 0.12 ± 0.22 % 0.009 ± 0.015 mm EX
Girdle to table-culet line offset 0.12 % 0.009 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 6.957 6.955 6.929 6.951 – – – –
Radius, mm 3.478 3.475 3.467 3.471 3.479 3.480 3.462 3.479
Crown angle, ° 34.81 34.44 34.66 34.81 34.84 34.91 34.87 34.83
Pavilion angle, ° 40.65 40.59 40.69 40.67 40.76 40.56 40.64 40.62
Total height, % – – – – – – – –
Crown height, % 14.74 14.85 14.80 14.93 14.88 14.97 14.92 14.88
Crown height bone, % 14.69 14.99 14.83 15.07 14.90 14.98 14.80 14.65
Pavilion height, % 42.83 42.64 42.68 42.70 42.97 42.61 42.55 42.84
Pavilion upperbone, % 42.63 42.63 42.68 43.00 42.68 42.52 42.79 42.79
Table, % 57.57 57.00 56.91 57.23 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.76 3.84 3.85 3.70 3.48 3.75 3.86 3.61
Girdle height bone, % 4.01 3.71 3.82 3.26 3.76 3.84 3.74 3.89
Girdle height 2.24 2.32 2.16 2.09 2.24 2.11 1.81 1.62
valley, % 1.84 2.50 2.08 2.27 2.15 2.11 2.36 2.03
Star: 48.93: 48.75: 48.37: 48.92: 47.47: 48.43: 48.76: 49.94:
Upper ratio, % 51.07 51.25 51.63 51.08 52.53 51.57 51.24 50.06
Star angle, ° 21.18 21.16 21.30 21.41 21.22 21.43 21.29 21.88
Upper girdle 41.59 40.98 41.03 41.61 40.91 40.96 41.53 42.03
angle, ° 41.43 40.79 41.46 41.68 40.62 40.99 40.94 41.28
Length girdle 76.73 76.71 77.59 77.71 77.07 76.13 74.84 75.15
facet, % 75.71 75.39 76.78 76.89 76.19 75.50 76.21 76.26
Lower girdle angle / 41.79 41.72 41.73 41.89 41.82 41.86 41.86 41.92
Halves angle, ° 41.98 41.76 41.71 41.74 41.91 41.89 41.74 41.78
Facet Twist, ° 0.18 0.44 0.10 1.86 1.87 0.35 0.67 0.14
Crown height, mm 1.024 1.032 1.028 1.037 1.034 1.040 1.036 1.034
Pavilion height, mm 2.975 2.962 2.964 2.966 2.985 2.960 2.955 2.976
Table, mm 3.998 3.959 3.953 3.975 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.261 0.267 0.268 0.257 0.242 0.260 0.268 0.251
 
Measurement as per OctoNus theory:
Crown angle, ° 34.82 34.67 34.76 34.82 – – – –
Pavilion angle, ° 40.70 40.58 40.66 40.65 – – – –
MIC, mm 6.921 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, ° 0.09 EX 1.31 -
Crown,notch. 0.0, Negligible 0.3
Pavilion, ° -0.01 EX -2.15 -
Pavilion,notch. 0.0, Negligible 0.6