Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 2.42, 2.4244
Spread 0.43ct, 15.12 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
7.768 mm 10.917 mm 1.405 7.768 mm 10.917 mm 4.676 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.114 mm 60.19 % 3.301 mm 4.435 mm 0.033 mm 0.260 mm 0.316 mm 0.156 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 small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut
Grade
Sym
Grade
Diameter, mm 7.768 10.917 3.149% VG
Crown Curve angle, ° 34.23 33.76 34.70 0.93
Crown Head angle, ° N/A N/A N/A N/A
Crown Point angle, ° 28.81 28.43 29.19 0.76
Crown Wing angle, ° 31.67 31.58 31.76 0.17
Crown angle, ° 34.23 33.76 34.70 0.93 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion Curve angle, ° 40.17 40.03 40.35 0.33
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, ° 33.75 33.41 33.99 0.58
Pavilion angle, ° 40.17 40.03 40.35 0.33 GD N/A
Pavilion SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Table Widthwise, % 57.10 EX
Table Lengthwise, % 62.09
Girdle Bezel, % 3.35 1.92 5.12 3.20 EX N/A
Girdle Bone, % 4.07 3.25 4.78 1.53 N/A
Girdle Valley, % 2.00 0.98 2.75 1.77 N/A N/A
Facet Twist, ° 14.73 14.55 14.91 0.36 N/A
Star : Upper ratio, %
48.56 : 
46.19 : 
49.66 : 
3.47 N/A
Star angle, ° 21.03 20.56 21.28 0.72 N/A
Upper girdle angle, ° 35.47 32.39 38.64 6.25 N/A
Lower girdle angle, ° 38.04 32.86 42.16 9.30 N/A
Crown height, % 14.34 13.91 14.76 0.85 EX N/A
Pavilion height, % 42.50 40.32 43.75 3.43
Total height, % 60.19 EX
Culet, % 0.42 0.26 0.53 0.26 N/A N/A
Azimuths, ° 1 2 3 4 5 6 7 8
Lower girdle azimuth 6.5 22.7 43.0 66.7 111.4 136.9 158.7 173.3
186.1 201.4 221.8 244.3 296.6 318.0 337.8 353.5
Star azimuth 15.9 57.5 123.4 164.1 195.9 235.5 300.6 343.6
Upper girdle azimuth 3.8 26.4 37.2 80.8 103.5 139.7 156.9 174.0
185.0 203.2 219.3 259.4 277.7 324.3 332.8 357.3

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
33.76 34.70 N/A N/A
N/A N/A N/A Culet-Table, %
28.43 29.19 0.47 ± 0.20 0.37 0.29
31.66 31.76 31.69 31.58
33.76 31.66 28.43 31.76 Girdle-Culet, %
N/A N/A N/A N/A 0.16 ± 0.19 0.10 0.12
40.27 40.03 40.03 40.35
N/A N/A N/A Girdle-Table, %
N/A N/A 0.31 ± 0.16 0.26 0.17
33.99 33.41 33.66 33.96
40.27 33.99 33.41 40.03 Girdle to table-culet line offset
N/A N/A N/A N/A 0.19 %, 0.015 mm
1 2 3 4 5 6 7 8
1.92 2.84 4.31 4.00 2.03 3.40 5.12 3.18
3.58 4.64 4.26 3.52 3.25 4.78 4.76 3.75
1.34 1.68 2.14 2.27 2.48 2.75 2.07 1.16
0.98 2.02 2.57 2.47 2.46 2.43 1.91 1.34
14.91 14.55 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

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