Illustrated report for brilliant

Polished Brilliant
Brilliant
01.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.32, 1.3208
Measurements 7.026 (7.011-7.039) x 4.335 / 0.004 (mm)
Spread -0.04ct, -3.14 %
AGS Spread -0.04 ct, -3.29%
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Diameter Average Total height
7.011 mm 7.039 mm 1.004 7.011 mm 7.039 mm 7.026 mm 4.335 mm
 
Crown height Pavilion height Table Culet Girdle height
Bezel Bone Valley
1.061 mm 3.014 mm 3.968 mm 0.029 mm 0.260 mm 0.305 mm 0.164 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut quality N/A
Symmetry appraiser title Symmetry
Overall symmetry quality VG
Final grade N/A
Model building info The model has small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm 7.026 7.011 7.039 0.39% GD EX
Radius, mm 3.512 3.503 3.522 0.019% – –
Crown angle, ° 34.82 34.66 34.95 0.30 EX EX
Pavilion angle, ° 40.74 40.66 40.87 0.21 EX EX
Total height, % 61.69 – – – VG –
Crown height, % 15.10 15.00 15.26 0.26 EX EX
Crown height bone, % 14.47 14.28 14.75 0.47 – –
Pavilion height, % 42.90 42.71 43.10 0.39 – –
Pavilion upperbone, % 42.88 42.65 43.10 0.46 – –
Table, % 56.48 56.25 56.70 0.45 EX EX
Culet, % 0.41 0.30 0.47 0.17 GD EX
Girdle height bezel, % 3.70 3.44 3.91 0.47 EX EX
Girdle height bone, % 4.35 4.13 4.56 0.43 – EX
Girdle height 2.34 2.12 2.67 0.55 N/A EX
valley, %
Star: 50.28: 49.70: 50.99: 1.29 EX EX
Upper ratio, % 49.72 50.30 49.01
Star angle, ° 21.76 21.44 22.11 0.67 – EX
Upper girdle 39.95 39.37 40.73 1.36 – VG
angle, °
Length girdle 77.82 77.03 78.79 1.76 EX EX
facet, %
Lower girdle angle / 41.89 41.70 42.07 0.37 – EX
Halves angle, °
Facet Twist, ° 0.24 0.04 0.50 0.46 – EX
Crown height, mm 1.061 1.054 1.072 0.018 EX EX
Pavilion height, mm 3.014 3.001 3.028 0.028 – –
Table, mm 3.968 3.952 3.984 0.032 EX EX
Culet, mm 0.029 0.021 0.033 0.012 GD EX
Girdle height bezel, mm 0.260 0.242 0.275 0.033 EX EX
Measurement as per OctoNus theory:
Crown angle, ° 34.82 34.79 34.86 0.08 – –
Pavilion angle, ° 40.74 40.70 40.80 0.09 – –
Fish eye effect, ° 8.20 – – – N/A –
Culet through Crown Bezel, ° 9.34 – – – N/A –
Parameter, ° 1 2 3 4 5 6 7 8
Pav. azimuths dev. from ideal 0.04 0.00 -0.04 -0.11 -0.24 0.09 0.03 0.35
Crown azimuths dev. from ideal 0.43 0.23 -0.13 -0.07 -0.09 -0.42 0.45 0.27
Crown painting 2.70 1.72 1.32 0.33 2.04 1.93 2.73 2.35
2.36 2.48 2.46 2.32 2.55 3.33 1.49 2.13
Pavilion painting 0.06 0.16 -0.13 0.03 -0.28 0.07 0.05 -0.47
-0.50 -0.34 -0.16 0.31 -0.18 -0.02 0.30 -0.09
Girdle center Culet center Table center Girdle center mass
Parameter     Sym Grade
Girdle-Culet offset by table axis 0.30 ± 0.20 % 0.021 ± 0.014 mm N/A
Girdle-Table offset by table axis 0.08 ± 0.18 % 0.006 ± 0.012 mm N/A
Table-Culet offset by table axis 0.38 ± 0.22 % 0.027 ± 0.015 mm N/A
Girdle to table-culet line offset 0.38 % 0.027 mm –
Parameter 1 2 3 4 5 6 7 8
Diameter, mm 7.022 7.027 7.036 7.026 – – – –
Radius, mm 3.508 3.515 3.516 3.512 3.513 3.512 3.519 3.514
Crown angle, ° 34.87 34.66 34.75 34.71 34.86 34.92 34.87 34.95
Pavilion angle, ° 40.75 40.83 40.87 40.79 40.66 40.68 40.72 40.66
Total height, % – – – – – – – –
Crown height, % 15.26 15.09 15.05 15.03 15.09 15.08 15.15 15.00
Crown height bone, % 14.61 14.75 14.48 14.33 14.45 14.34 14.28 14.51
Pavilion height, % 42.71 42.77 42.90 42.95 42.96 43.03 43.10 42.78
Pavilion upperbone, % 42.73 42.73 42.95 42.96 43.10 43.03 42.85 42.65
Table, % 56.25 56.44 56.53 56.70 – – – –
Culet, % – – – – – – – –
Girdle height bezel, % 3.72 3.83 3.74 3.71 3.64 3.58 3.44 3.91
Girdle height bone, % 4.35 4.21 4.26 4.40 4.13 4.32 4.56 4.53
Girdle height 2.35 2.36 2.54 2.16 2.12 2.25 2.36 2.51
valley, % 2.29 2.28 2.21 2.15 2.21 2.67 2.61 2.31
Star: 49.70: 49.92: 50.23: 50.07: 50.15: 50.85: 50.99: 50.35:
Upper ratio, % 50.30 50.08 49.77 49.93 49.85 49.15 49.01 49.65
Star angle, ° 21.44 22.11 21.54 21.82 21.60 21.67 22.10 21.78
Upper girdle 39.77 39.91 40.22 40.73 40.08 39.87 39.59 39.91
angle, ° 39.94 39.82 39.97 39.78 39.92 39.37 40.33 40.00
Length girdle 78.02 77.03 77.82 77.48 78.04 77.65 78.43 78.00
facet, % 77.81 77.49 77.12 77.39 78.79 78.40 77.97 77.70
Lower girdle angle / 41.96 41.98 41.92 42.00 42.07 41.93 41.88 41.83
Halves angle, ° 41.92 41.86 41.86 41.85 41.82 41.70 41.78 41.86
Facet Twist, ° 0.40 0.23 0.09 0.04 0.15 0.50 0.42 0.08
Crown height, mm 1.072 1.061 1.057 1.056 1.060 1.060 1.065 1.054
Pavilion height, mm 3.001 3.005 3.014 3.018 3.019 3.023 3.028 3.006
Table, mm 3.952 3.965 3.972 3.984 – – – –
Culet, mm – – – – – – – –
Girdle height bezel, mm 0.262 0.269 0.263 0.261 0.255 0.252 0.242 0.275
 
Measurement as per OctoNus theory:
Crown angle, ° 34.86 34.79 34.81 34.83 – – – –
Pavilion angle, ° 40.70 40.75 40.80 40.72 – – – –
MIC, mm 7.008 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, ° 2.14 Painting N/A 3.33 EX
Crown,notch. 0.6, Small 0.9
Pavilion, ° -0.07 N/A -0.50 EX
Pavilion,notch. 0.0, Negligible 0.1