Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct 1.76
Corrected mass, ct 1.75, 1.7583
Spread 0.33ct, 15.61 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
6.415 mm 11.900 mm 1.855 6.415 mm 11.900 mm 4.032 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
0.917 mm 62.86 % 2.847 mm 3.766 mm 0.017 mm 0.268 mm 0.328 mm 0.205 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 – 6.415 11.900 5.485% VG –
Crown Curve angle, ° 34.61 34.52 34.70 0.19 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 27.78 27.64 27.92 0.28 – –
Crown Wing angle, ° 33.68 33.55 33.99 0.44 – –
Pavilion Curve angle, ° 40.49 40.39 40.69 0.29 – –
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, ° 33.78 33.61 33.95 0.34 – –
Table Widthwise, % 58.71 – – – VG –
Table Lengthwise, % 70.44 – – – – –
Girdle Bezel, % 4.18 3.72 4.76 1.04 EX N/A
Girdle Bone, % 5.12 4.56 5.65 1.09 – N/A
Girdle Valley, % 3.20 2.58 3.98 1.40 N/A N/A
Facet Twist, ° 11.61 10.04 13.87 3.83 – N/A
Star : Upper ratio, %
44.60 : 
40.65 : 
47.59 : 
6.94 – N/A
Star angle, ° 15.97 14.82 16.85 2.03 – N/A
Upper girdle angle, ° 40.36 37.62 43.90 6.28 – N/A
Lower girdle angle, ° 37.84 31.06 42.86 11.80 – N/A
Crown height, % 14.30 14.09 14.54 0.45 EX N/A
Pavilion height, % 44.37 43.98 44.71 0.72 – –
Total height, % 62.86 – – – EX –
Culet, % 0.26 0.15 0.37 0.22 N/A N/A
Crown angle, ° 34.61 34.52 34.70 0.19 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion angle, ° 40.49 40.39 40.69 0.29 VG N/A
Pavilion SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Azimuths, ° 1 2 3 4 5 6 7 8
Upper girdle azimuth 6.5 24.0 37.7 50.6 130.4 142.5 154.3 175.1
184.9 207.1 216.5 230.2 307.3 322.2 335.3 354.1
Lower girdle azimuth 6.5 22.3 34.6 53.7 127.2 147.5 156.8 173.8
186.6 203.7 213.1 232.4 307.2 324.5 337.3 353.2
Lower girdle azimuth 16.4 38.4 142.6 163.9 196.2 218.4 321.2 344.1

Facets angles

Girdle center Culet center Table center Girdle center mass
Parameter 1 2 3 4 Offset by table axis
– – – – Distance Width wise Length wise
34.52 34.70 N/A N/A
N/A N/A N/A – Culet-Table, %
27.64 27.92 – – 0.23 Â± 0.23 0.10 0.20
33.55 33.61 33.99 33.60 Girdle-Culet, %
40.39 40.48 40.69 40.40 0.27 Â± 0.22 0.19 0.20
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.08 Â± 0.19 0.08 0.00
33.79 33.77 33.95 33.61 Girdle to table-culet line offset
– – – – 0.12 %, 0.008 mm
1 2 3 4 5 6 7 8
4.02 4.69 4.76 3.72 4.02 4.00 4.09 4.16
5.23 5.50 5.23 5.16 4.94 5.65 4.56 4.69
3.10 2.93 3.98 3.91 3.89 3.01 2.89 3.03
2.96 2.99 3.66 3.69 2.58 3.15 2.77 2.60
13.87 10.57 10.32 13.80 10.04 11.09 N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes symmetry correction