Illustrated report for oval & marquise

Polished
Oval
23.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 1.79, 1.7980
Spread 0.17ct, 8.54 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
6.863 mm 9.626 mm 1.403 6.863 mm 9.626 mm 4.315 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.015 mm 62.87 % 2.975 mm 3.882 mm 0.028 mm 0.324 mm 0.342 mm 0.204 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut grade GD
Symmetry appraiser title Symmetry
Overall symmetry grade N/A
Model building info The model has medium errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut
Grade		 Sym
Grade
Diameter, mm – 6.863 9.626 2.764% VG –
Crown Curve angle, ° 34.86 34.56 35.16 0.60 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 30.79 30.76 30.81 0.05 – –
Crown Wing angle, ° 32.64 32.42 32.84 0.41 – –
Crown angle, ° 34.86 34.56 35.16 0.60 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion Curve angle, ° 40.22 40.13 40.29 0.16 – –
Pavilion Head angle, ° N/A N/A N/A N/A – –
Pavilion Point angle, ° N/A N/A N/A N/A – –
Pavilion Wing angle, ° 34.09 33.85 34.36 0.52 – –
Pavilion angle, ° 40.22 40.13 40.29 0.16 GD N/A
Pavilion SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Table Widthwise, % 56.57 – – – EX –
Table Lengthwise, % 65.12 – – – – –
Girdle Bezel, % 4.72 3.99 6.64 2.65 VG N/A
Girdle Bone, % 4.98 4.35 5.73 1.38 – N/A
Girdle Valley, % 2.98 2.55 3.89 1.34 N/A N/A
Facet Twist, ° 14.67 14.25 14.97 0.72 – N/A
Star : Upper ratio, %
46.62 : 
43.28 : 
49.48 : 
 6.19 – N/A
Star angle, ° 21.32 21.02 21.51 0.49 – N/A
Upper girdle angle, ° 38.91 37.93 39.75 1.82 – N/A
Lower girdle angle, ° 38.39 33.25 41.90 8.65 – N/A
Crown height, % 14.79 14.45 15.18 0.74 EX N/A
Pavilion height, % 43.36 41.78 44.27 2.49 – –
Total height, % 62.87 – – – EX –
Culet, % 0.41 0.32 0.49 0.17 N/A N/A
Azimuths, ° 1 2 3 4 5 6 7 8
Lower girdle azimuth 7.1 24.6 40.9 71.4 110.0 138.3 156.1 173.3
187.1 206.0 219.9 247.8 290.0 317.8 335.9 353.3
Star azimuth 16.2 52.3 127.8 165.2 196.2 232.8 309.1 343.1
Upper girdle azimuth 6.6 22.6 43.2 73.1 104.9 138.3 157.4 173.3
187.1 203.3 223.2 253.0 286.1 316.8 336.2 353.0

Facets angles

Shape Deviation
Ideal Girdle
Girdle center Culet center Girdle center mass Table center
Parameter 1 2 3 4 Offset by
table axis
– – – – Distance Width wise Length wise
35.16 34.56 N/A N/A
N/A N/A N/A – Culet-Table, %
30.76 30.81 – – 0.24 ± 0.22 0.19 0.15
32.48 32.83 32.42 32.84
35.16 32.48 30.76 32.83 Girdle-Culet, %
N/A N/A N/A N/A 0.18 ± 0.21 0.14 0.12
40.28 40.29 40.19 40.13
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.06 ± 0.18 0.06 0.03
34.11 34.36 34.02 33.85
40.28 34.11 34.36 40.29 Girdle to table-culet line offset
N/A N/A N/A N/A 0.01 %, 0.001 mm
– – – –
1 2 3 4 5 6 7 8
4.47 4.16 5.43 4.28 4.28 3.99 6.64 4.51
4.84 5.32 4.98 4.63 4.63 5.35 5.73 4.35
3.51 2.56 2.95 2.60 3.09 2.78 2.90 2.91
3.06 2.63 2.55 3.80 3.89 2.55 2.93 2.99
14.25 14.97 14.48 14.97 N/A N/A N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes
symmetry

Shape Deviation

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11.25° 22.5° 45° 360° Max Min
Value, %
 N/A N/A N/A N/A N/A N/A
Value, mm
 N/A N/A N/A N/A N/A N/A
Grade
 N/A N/A N/A N/A
Azimuth, °
 N/A N/A
Legend