Illustrated report for brilliant

Polished Brilliant
Brilliant
31.07.2025
Model Shadow scan
Expert name N/A
Scale weight, ct 3.37
Corrected mass, ct 3.37, 3.3759
Measurements 9.754 (9.743-9.767) x 5.856 / 0.009 (mm)
Spread 0.05ct, 1.52 %
AGS Spread 0.05 ct, 1.37%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
9.743 mm 9.767 mm 1.003 9.743 mm 9.767 mm 9.754 mm 5.856 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.399 mm 4.164 mm 5.588 mm 0.030 mm 0.293 mm 0.316 mm 0.144 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 9.754 9.743 9.767 0.25% - EX
Radius, mm 4.875 4.867 4.889 0.022% – –
Crown angle, ° 33.97 33.78 34.08 0.30 EX EX
Pavilion angle, ° 40.58 40.41 40.70 0.29 EX EX
Total height, % 60.04 – – – - –
Crown height, % 14.35 14.15 14.57 0.43 - EX
Crown height bone, % 14.05 13.82 14.18 0.36 – –
Pavilion height, % 42.69 42.43 42.88 0.45 – –
Pavilion upperbone, % 42.75 42.35 42.96 0.61 – –
Table, % 57.28 57.01 57.59 0.59 EX EX
Culet, % 0.31 0.23 0.37 0.14 EX -
Girdle height bezel, % 3.00 2.74 3.23 0.50 EX EX
Girdle height bone, % 3.24 2.99 3.59 0.60 – -
Girdle height 1.47 1.16 1.86 0.70 - -
valley, %
Star: 47.11: 46.75: 47.65: 0.90 EX EX
Upper ratio, % 52.89 53.25 52.35
Star angle, ° 20.14 19.64 20.59 0.95 – EX
Upper girdle 39.55 38.43 40.68 2.25 – EX
angle, °
Length girdle 77.90 76.94 78.63 1.69 EX EX
facet, %
Lower girdle angle / 41.74 41.51 41.94 0.43 – EX
Halves angle, °
Facet Twist, ° 0.43 0.04 1.08 1.05 – -
Crown height, mm 1.399 1.380 1.421 0.042 - EX
Pavilion height, mm 4.164 4.139 4.183 0.044 – –
Table, mm 5.588 5.561 5.618 0.057 EX EX
Culet, mm 0.030 0.022 0.036 0.014 EX -
Girdle height bezel, mm 0.293 0.267 0.315 0.048 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 33.97 33.89 34.07 0.18 – –
Pavilion angle, ° 40.58 40.47 40.66 0.20 – –
Fish eye effect, ° 7.16 – – – - –
Culet through Crown Bezel, ° 13.07 – – – - –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.09 -0.31 0.05 0.17 0.29 -0.05 -0.21 -0.16
Crown azimuths dev. from ideal -0.45 0.01 -0.41 -0.11 -0.78 0.17 -0.24 0.38
Crown painting 1.82 2.96 1.28 0.69 0.88 0.71 1.16 1.92
-0.97 0.17 0.71 0.48 0.53 0.95 2.26 2.02
Pavilion painting 0.31 0.16 -0.15 -0.32 -1.67 -0.51 0.70 -0.28
-0.62 0.21 0.12 -0.06 0.25 -0.21 -0.04 -0.46
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.08 ± 0.16 % 0.008 ± 0.015 mm EX
Girdle-Table offset by table axis 0.32 ± 0.13 % 0.032 ± 0.013 mm EX
Table-Culet offset by table axis 0.39 ± 0.17 % 0.038 ± 0.017 mm EX
Girdle to table-culet line offset 0.39 % 0.038 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 9.747 9.747 9.758 9.759 – – – –
Radius, mm 4.876 4.875 4.878 4.882 4.870 4.871 4.880 4.876
Crown angle, ° 33.78 34.05 34.08 34.03 34.00 33.79 34.06 33.94
Pavilion angle, ° 40.63 40.52 40.41 40.70 40.60 40.62 40.53 40.63
Total height, % – – – – – – – –
Crown height, % 14.57 14.53 14.37 14.19 14.22 14.15 14.23 14.50
Crown height bone, % 13.82 14.18 13.96 13.97 14.15 14.11 14.14 14.11
Pavilion height, % 42.73 42.50 42.43 42.88 42.72 42.80 42.72 42.72
Pavilion upperbone, % 42.63 42.35 42.96 42.79 42.89 42.74 42.79 42.81
Table, % 57.01 57.13 57.59 57.40 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 2.74 3.01 3.23 2.96 3.10 3.09 3.09 2.81
Girdle height bone, % 3.59 3.50 3.12 3.28 2.99 3.19 3.10 3.12
Girdle height 1.52 1.47 1.86 1.73 1.39 1.37 1.54 1.29
valley, % 1.44 1.33 1.58 1.56 1.52 1.31 1.53 1.16
Star: 47.65: 47.16: 47.19: 47.54: 46.95: 46.76: 46.93: 46.75:
Upper ratio, % 52.35 52.84 52.81 52.46 53.05 53.24 53.07 53.25
Star angle, ° 20.25 20.37 20.06 20.33 19.64 19.98 19.94 20.59
Upper girdle 38.50 38.43 39.40 39.79 39.88 39.80 39.79 39.83
angle, ° 40.68 40.12 39.60 39.92 39.83 39.64 38.70 38.89
Length girdle 77.96 78.51 77.86 78.41 78.34 77.44 77.59 76.94
facet, % 78.08 78.55 77.10 77.37 78.63 77.68 78.37 77.61
Lower girdle angle / 41.69 41.74 41.53 41.51 41.85 41.94 41.77 41.84
Halves angle, ° 41.78 41.81 41.69 41.64 41.63 41.79 41.76 41.94
Facet Twist, ° 0.55 0.31 0.46 0.28 1.08 0.21 0.04 0.53
Crown height, mm 1.421 1.417 1.402 1.384 1.387 1.380 1.388 1.415
Pavilion height, mm 4.168 4.146 4.139 4.183 4.167 4.175 4.167 4.167
Table, mm 5.561 5.572 5.618 5.599 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.267 0.293 0.315 0.289 0.302 0.302 0.302 0.274
 
Measurement as per OctoNus theory:
Crown angle, ° 33.89 33.92 34.07 33.98 – – – –
Pavilion angle, ° 40.62 40.57 40.47 40.66 – – – –
MIC, mm 9.734 Extra Facet Crown No –
Girdle to MIC, mm 0.009 Extra Facet Pavilion No –
Paint / Dig Avg Type Cut Grade Max Dev Sym Grade
Crown, ° 1.10 Painting EX 2.96 -
Crown,notch. 0.3, Very small 0.8
Pavilion, ° -0.16 EX -1.67 -
Pavilion,notch. 0.0, Negligible 0.4