Illustrated report for oval & marquise

Polished
Oval
27.04.2026
Model Shadow scan
Expert name N/A
Scale weight, ct N/A
Corrected mass, ct 3.87, 3.8766
Spread 0.52ct, 11.87 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
8.917 mm 12.744 mm 1.429 8.917 mm 12.744 mm 5.508 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.301 mm 61.77 % 3.840 mm 5.257 mm 0.028 mm 0.368 mm 0.424 mm 0.241 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 – 8.917 12.744 3.828% VG –
Crown Curve angle, ° 34.80 34.70 34.89 0.19 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 28.81 28.62 29.01 0.39 – –
Crown Wing angle, ° 32.47 32.08 32.71 0.63 – –
Crown angle, ° 34.80 34.70 34.89 0.19 EX N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion Curve angle, ° 40.20 40.02 40.39 0.36 – –
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 33.66 34.51 0.85 – –
Pavilion angle, ° 40.20 40.02 40.39 0.36 GD N/A
Pavilion SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Table Widthwise, % 58.95 – – – EX –
Table Lengthwise, % 61.45 – – – – –
Girdle Bezel, % 4.12 3.61 4.40 0.79 EX N/A
Girdle Bone, % 4.76 4.43 5.18 0.75 – N/A
Girdle Valley, % 2.70 1.91 3.63 1.72 N/A N/A
Facet Twist, ° 13.94 13.92 13.97 0.05 – N/A
Star : Upper ratio, %
47.24 : 
43.81 : 
50.37 : 
 6.56 – N/A
Star angle, ° 19.96 19.66 20.31 0.65 – N/A
Upper girdle angle, ° 37.00 33.38 39.83 6.45 – N/A
Lower girdle angle, ° 38.03 32.79 41.96 9.17 – N/A
Crown height, % 14.59 14.04 15.11 1.07 EX N/A
Pavilion height, % 43.06 42.50 43.99 1.49 – –
Total height, % 61.77 – – – EX –
Culet, % 0.31 0.19 0.43 0.24 N/A N/A
Azimuths, ° 1 2 3 4 5 6 7 8
Lower girdle azimuth 6.7 22.4 41.6 67.7 108.9 137.3 156.9 174.4
185.4 202.9 221.2 252.7 290.6 316.8 339.0 353.6
Star azimuth 17.8 57.6 123.7 162.5 197.8 238.9 302.8 342.8
Upper girdle azimuth 6.0 24.9 38.4 77.9 104.5 139.2 155.8 172.7
186.6 204.7 221.4 254.5 281.8 321.5 334.4 353.8

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
34.70 34.89 N/A N/A
N/A N/A N/A – Culet-Table, %
29.01 28.62 – – 0.37 ± 0.18 0.35 0.09
32.08 32.71 32.50 32.59
34.70 32.08 29.01 32.71 Girdle-Culet, %
N/A N/A N/A N/A 0.33 ± 0.17 0.26 0.21
40.39 40.06 40.02 40.32
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.31 ± 0.14 0.09 0.29
34.51 34.18 33.66 33.96
40.39 34.51 34.18 40.06 Girdle to table-culet line offset
N/A N/A N/A N/A 0.27 %, 0.024 mm
– – – –
1 2 3 4 5 6 7 8
3.61 4.40 3.98 4.38 4.02 4.35 4.17 4.09
4.64 4.65 4.43 5.16 4.86 4.64 5.18 4.50
2.56 3.31 2.62 2.27 1.91 2.33 3.63 3.09
2.81 3.10 2.72 1.96 2.53 2.70 2.92 2.71
13.92 13.97 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