Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct 1.71
Corrected mass, ct 1.70, 1.7069
Spread 0.35ct, 17.00 %
Extra Facet Girdle / Nat 1 (0/1)
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
6.776 mm 10.056 mm 1.484 6.776 mm 10.056 mm 4.079 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
0.954 mm 60.19 % 2.839 mm 3.990 mm 0.020 mm 0.285 mm 0.290 mm 0.163 mm
Appraiser title Lexus_Opt_12FEB2011
Overall cut grade --
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 – 6.776 10.056 3.280% GD –
Crown Curve angle, ° 34.25 33.76 34.75 0.98 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 29.38 28.99 29.77 0.78 – –
Crown Wing angle, ° 30.57 30.17 31.00 0.83 – –
Pavilion Curve angle, ° 40.39 40.08 40.79 0.71 – –
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, ° 33.40 33.13 33.80 0.67 – –
Table Widthwise, % 58.88 – – – EX –
Table Lengthwise, % 64.30 – – – – –
Girdle Bezel, % 4.20 3.03 5.05 2.02 EX N/A
Girdle Bone, % 4.28 3.57 5.07 1.51 – N/A
Girdle Valley, % 2.40 0.49 3.41 2.93 N/A N/A
Facet Twist, ° 13.81 13.22 14.86 1.64 – N/A
Star : Upper ratio, %
50.71 : 
47.02 : 
54.91 : 
7.89 – N/A
Star angle, ° 20.82 19.55 21.43 1.88 – N/A
Upper girdle angle, ° 34.37 31.81 37.52 5.71 – N/A
Lower girdle angle, ° 37.43 32.50 41.79 9.29 – N/A
Crown height, % 14.09 13.71 15.03 1.32 EX N/A
Pavilion height, % 41.90 40.36 43.39 3.04 – –
Total height, % 60.19 – – – EX –
Culet, % 0.30 0.22 0.37 0.15 N/A N/A
Crown angle, ° 34.25 33.76 34.75 0.98 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion angle, ° 40.39 40.08 40.79 0.71 GD 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 3.2 27.6 39.1 78.4 98.3 146.4 155.9 177.5
183.9 203.1 216.3 263.4 275.0 324.7 334.7 355.9
Lower girdle azimuth 7.7 18.8 45.1 61.8 120.8 136.1 161.8 169.4
189.6 197.3 228.1 238.9 300.3 314.9 342.2 352.5
Lower girdle azimuth 16.0 50.5 131.4 163.5 195.5 230.2 308.5 343.5

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
33.76 34.75 N/A N/A
N/A N/A N/A – Culet-Table, %
28.99 29.77 – – 0.32 Â± 0.22 0.17 0.27
30.36 30.17 31.00 30.74 Girdle-Culet, %
40.24 40.79 40.44 40.08 0.29 Â± 0.21 0.23 0.18
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.11 Â± 0.18 0.06 0.09
33.20 33.80 33.47 33.13 Girdle to table-culet line offset
– – – – 0.11 %, 0.007 mm
1 2 3 4 5 6 7 8
3.03 4.26 5.05 3.65 3.57 4.90 4.80 4.38
4.30 4.08 5.07 3.69 3.57 4.04 5.07 4.41
2.40 2.95 2.33 2.40 3.23 0.49 1.73 2.63
2.15 2.67 2.20 2.44 2.85 2.33 3.41 2.17
13.22 13.36 14.86 N/A N/A N/A N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes symmetry correction