Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct 3.62
Corrected mass, ct 3.62, 3.6230
Spread 0.60ct, 14.15 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
8.760 mm 12.538 mm 1.431 8.760 mm 12.538 mm 5.315 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.168 mm 60.67 % 3.801 mm 5.214 mm 0.027 mm 0.346 mm 0.383 mm 0.219 mm
Appraiser title GIA Facetware.Mfg
Overall cut grade Unknown
Symmetry appraiser title GIA Facetware.Mfg
Overall symmetry grade Unknown
Model building info The model has small errors
   
Color
Clarity
Polish
Fluorescence
Parameter Avg Min Max Dev Cut Grade Sym Grade
Diameter, mm – 8.760 12.538 3.778% - –
Crown Curve angle, ° 34.08 33.94 34.23 0.29 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 30.32 30.31 30.34 0.03 – –
Crown Wing angle, ° 31.84 31.60 32.13 0.54 – –
Pavilion Curve angle, ° 40.40 40.22 40.71 0.49 – –
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, ° 34.18 33.96 34.41 0.45 – –
Table Widthwise, % 59.51 – – – Unknown –
Table Lengthwise, % 67.53 – – – – –
Girdle Bezel, % 3.95 2.98 4.81 1.84 Unknown N/A
Girdle Bone, % 4.38 3.70 4.92 1.21 – -
Girdle Valley, % 2.50 1.58 3.23 1.66 - -
Facet Twist, ° 14.55 14.28 14.99 0.71 – -
Star : Upper ratio, %
47.01 : 
45.29 : 
49.09 : 
3.80 – N/A
Star angle, ° 19.66 19.49 19.83 0.34 – N/A
Upper girdle angle, ° 36.86 34.28 39.07 4.79 – N/A
Lower girdle angle, ° 38.14 33.45 42.01 8.56 – N/A
Crown height, % 13.34 12.91 13.92 1.01 - N/A
Pavilion height, % 43.39 42.32 44.19 1.87 – –
Total height, % 60.67 – – – N/A –
Culet, % 0.31 0.16 0.41 0.26 N/A -
Crown angle, ° 34.08 33.94 34.23 0.29 Unknown N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion angle, ° 40.40 40.22 40.71 0.49 Unknown 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 5.6 24.3 38.3 80.7 104.9 137.1 155.7 174.9
185.0 204.3 220.4 257.1 280.4 321.9 336.4 354.5
Lower girdle azimuth 6.9 22.5 42.9 78.0 104.0 137.8 157.4 171.7
190.0 202.6 222.7 248.6 294.0 317.2 336.1 353.0
Lower girdle azimuth 16.0 54.7 126.7 165.2 195.4 232.9 303.8 344.8

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
33.94 34.23 N/A N/A
N/A N/A N/A – Culet-Table, %
30.31 30.34 – – 0.22 Â± 0.18 0.19 0.10
32.13 31.73 31.90 31.60 Girdle-Culet, %
40.22 40.43 40.71 40.23 0.31 Â± 0.17 0.29 0.11
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.10 Â± 0.14 0.10 0.01
33.96 34.03 34.30 34.41 Girdle to table-culet line offset
– – – – 0.15 %, 0.013 mm
1 2 3 4 5 6 7 8
3.52 4.15 2.98 4.60 3.53 4.37 4.81 3.61
4.09 4.92 4.38 4.56 3.70 4.64 4.42 4.30
2.40 2.24 2.96 2.00 1.58 3.13 2.85 2.78
2.26 2.38 3.23 2.33 2.26 2.50 2.45 2.61
14.99 14.28 14.39 N/A N/A N/A N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes symmetry correction