Illustrated report for oval & marquise

Polished
Oval
10.06.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 4.18, 4.1851
Spread 0.43ct, 9.23 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
9.108 mm 12.787 mm 1.404 9.108 mm 12.787 mm 5.670 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.330 mm 62.25 % 3.912 mm 5.229 mm 0.029 mm 0.428 mm 0.486 mm 0.293 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut grade --
Symmetry appraiser title Symmetry
Overall symmetry 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 – 9.108 12.787 3.678% VG –
Crown Curve angle, ° 34.51 34.44 34.58 0.14 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 32.15 32.08 32.22 0.14 – –
Crown Wing angle, ° 33.34 33.19 33.54 0.36 – –
Crown angle, ° 34.51 34.44 34.58 0.14 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion Curve angle, ° 40.23 40.07 40.34 0.26 – –
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, ° 34.08 33.80 34.40 0.60 – –
Pavilion angle, ° 40.23 40.07 40.34 0.26 GD N/A
Pavilion SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Table Widthwise, % 57.41 – – – EX –
Table Lengthwise, % 66.90 – – – – –
Girdle Bezel, % 4.70 3.93 5.51 1.58 VG N/A
Girdle Bone, % 5.34 3.18 6.03 2.86 – N/A
Girdle Valley, % 3.21 1.91 3.96 2.05 N/A N/A
Facet Twist, ° 14.65 14.56 14.73 0.17 – N/A
Star : Upper ratio, %
50.99 : 
49.18 : 
53.07 : 
 3.89 – N/A
Star angle, ° 20.59 20.24 21.04 0.80 – N/A
Upper girdle angle, ° 38.55 36.35 43.68 7.32 – N/A
Lower girdle angle, ° 37.96 33.16 42.03 8.87 – N/A
Crown height, % 14.60 14.33 14.95 0.61 EX N/A
Pavilion height, % 42.95 42.41 43.59 1.18 – –
Total height, % 62.25 – – – EX –
Culet, % 0.32 0.16 0.45 0.29 N/A N/A
Azimuths, ° 1 2 3 4 5 6 7 8
Lower girdle azimuth 7.1 23.1 46.5 70.9 106.8 133.3 157.7 172.2
186.9 202.4 224.9 253.7 289.7 311.5 338.6 352.4
Star azimuth 16.5 56.3 125.5 164.0 196.4 234.7 305.0 343.6
Upper girdle azimuth 3.6 27.4 39.9 78.7 101.9 136.9 151.9 175.7
184.6 206.6 222.9 255.4 279.2 319.8 338.6 349.4

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
34.58 34.44 N/A N/A
N/A N/A N/A – Culet-Table, %
32.22 32.08 – – 0.27 ± 0.18 0.20 0.18
33.19 33.28 33.54 33.34
34.58 33.19 32.22 33.28 Girdle-Culet, %
N/A N/A N/A N/A 0.25 ± 0.17 0.04 0.25
40.07 40.31 40.20 40.34
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.18 ± 0.14 0.16 0.07
34.19 33.95 33.80 34.40
40.07 34.19 33.95 40.31 Girdle to table-culet line offset
N/A N/A N/A N/A 0.16 %, 0.015 mm
– – – –
1 2 3 4 5 6 7 8
4.16 4.96 4.92 4.67 3.93 4.42 5.51 5.02
5.47 5.83 6.03 5.34 4.87 5.98 6.01 3.18
3.18 3.40 3.96 3.50 3.27 3.07 3.29 3.04
3.00 2.83 3.21 3.93 3.92 3.46 1.91 2.46
14.56 14.73 N/A N/A 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