Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct 2.95
Corrected mass, ct 2.95, 2.9518
Spread 0.44ct, 13.07 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
8.064 mm 11.801 mm 1.463 8.064 mm 11.801 mm 4.940 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.068 mm 61.26 % 3.509 mm 4.872 mm 0.027 mm 0.363 mm 0.372 mm 0.223 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 – 8.064 11.801 3.737% - –
Crown Curve angle, ° 33.85 33.85 33.85 0.00 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 30.39 30.38 30.40 0.02 – –
Crown Wing angle, ° 32.31 31.75 32.86 1.11 – –
Pavilion Curve angle, ° 40.48 40.31 40.59 0.27 – –
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, ° 33.91 33.74 34.03 0.29 – –
Table Widthwise, % 60.42 – – – Unknown –
Table Lengthwise, % 68.51 – – – – –
Girdle Bezel, % 4.50 4.06 5.72 1.65 Unknown N/A
Girdle Bone, % 4.62 3.88 5.24 1.36 – -
Girdle Valley, % 2.77 2.15 3.38 1.23 - -
Facet Twist, ° 14.49 14.33 14.66 0.33 – -
Star : Upper ratio, %
51.71 : 
47.16 : 
55.63 : 
8.47 – N/A
Star angle, ° 19.05 18.53 19.62 1.09 – N/A
Upper girdle angle, ° 39.12 37.51 40.75 3.24 – N/A
Lower girdle angle, ° 38.19 32.92 42.23 9.31 – N/A
Crown height, % 13.25 12.81 13.58 0.77 - N/A
Pavilion height, % 43.51 42.00 43.97 1.97 – –
Total height, % 61.26 – – – N/A –
Culet, % 0.33 0.20 0.44 0.24 N/A -
Crown angle, ° 33.85 33.85 33.85 0.00 Unknown N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion angle, ° 40.48 40.31 40.59 0.27 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 6.6 21.8 40.6 76.3 103.4 140.2 156.7 173.8
186.9 202.7 219.8 255.3 286.8 318.3 337.7 353.3
Lower girdle azimuth 7.7 22.5 41.1 71.2 110.2 138.0 158.3 172.5
187.1 201.3 220.5 245.8 293.5 318.9 339.5 352.5
Lower girdle azimuth 15.1 54.0 121.9 164.2 195.8 236.3 304.7 343.4

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
33.85 33.85 N/A N/A
N/A N/A N/A – Culet-Table, %
30.38 30.40 – – 0.50 Â± 0.20 0.43 0.26
31.75 32.34 32.86 32.30 Girdle-Culet, %
40.57 40.46 40.31 40.59 0.25 Â± 0.18 0.23 0.09
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.40 Â± 0.16 0.20 0.35
34.03 34.00 33.87 33.74 Girdle to table-culet line offset
– – – – 0.30 %, 0.024 mm
1 2 3 4 5 6 7 8
4.20 4.48 4.52 4.65 4.20 4.06 5.72 4.16
3.88 5.20 5.24 4.31 4.07 5.20 4.90 4.15
3.00 2.15 3.38 2.55 3.13 3.15 2.94 2.84
2.83 2.73 2.30 3.21 2.27 2.37 2.51 2.90
14.66 14.42 14.33 14.54 N/A N/A N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes symmetry correction