Illustrated report for oval & marquise

Polished
Model Shadow scan
Expert name N/A
Scale weight, ct 2.84
Corrected mass, ct 2.84, 2.8458
Spread 0.79ct, 21.72 %
Extra Facet Girdle / Nat No
Width Length Ratio (L/W) Diameter Minimum Diameter Maximum Total height
7.275 mm 15.155 mm 2.083 7.275 mm 15.155 mm 4.530 mm
Crown height Pavilion height Table Widthwise Culet Girdle
Bezel Bone Valley
1.068 mm 62.26 % 3.154 mm 4.161 mm 0.019 mm 0.308 mm 0.311 mm 0.213 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 – 7.275 15.155 7.880% - –
Crown Curve angle, ° 34.61 34.35 34.88 0.53 – –
Crown Head angle, ° N/A N/A N/A N/A – –
Crown Point angle, ° 24.59 24.50 24.67 0.17 – –
Crown Wing angle, ° 33.10 32.94 33.24 0.30 – –
Pavilion Curve angle, ° 40.18 40.14 40.26 0.12 – –
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, ° 32.42 32.03 32.86 0.82 – –
Table Widthwise, % 57.20 – – – Unknown –
Table Lengthwise, % 68.39 – – – – –
Girdle Bezel, % 4.23 3.80 4.70 0.89 Unknown N/A
Girdle Bone, % 4.28 3.58 4.90 1.32 – -
Girdle Valley, % 2.93 2.06 3.62 1.57 - -
Facet Twist, ° 11.62 11.27 12.25 0.98 – -
Star : Upper ratio, %
47.94 : 
42.10 : 
55.60 : 
13.50 – N/A
Star angle, ° 19.61 19.05 20.45 1.40 – N/A
Upper girdle angle, ° 39.52 37.45 41.63 4.18 – N/A
Lower girdle angle, ° 36.78 30.61 41.69 11.07 – N/A
Crown height, % 14.69 14.39 14.98 0.58 - N/A
Pavilion height, % 43.35 42.59 43.85 1.26 – –
Total height, % 62.26 – – – N/A –
Culet, % 0.26 0.11 0.36 0.25 N/A -
Crown angle, ° 34.61 34.35 34.88 0.53 Unknown N/A
Crown SilverStar angle, ° N/A N/A N/A N/A N/A N/A
Pavilion angle, ° 40.18 40.14 40.26 0.12 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 4.6 21.7 32.8 49.7 130.8 146.4 160.9 174.0
185.6 201.3 214.6 228.5 312.5 325.9 337.3 356.1
Lower girdle azimuth 8.6 18.5 34.4 45.2 134.3 146.8 161.2 171.4
188.3 199.7 212.3 224.7 315.5 327.6 341.4 351.7
Lower girdle azimuth 12.5 38.0 143.9 168.0 192.7 216.2 323.1 345.9

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
34.88 34.35 N/A N/A
N/A N/A N/A – Culet-Table, %
24.50 24.67 – – 0.79 Â± 0.21 0.00 0.79
33.24 33.09 33.13 32.94 Girdle-Culet, %
40.14 40.14 40.26 40.20 0.24 Â± 0.20 0.09 0.23
N/A N/A N/A – Girdle-Table, %
N/A N/A – – 0.57 Â± 0.17 0.08 0.57
32.29 32.86 32.03 32.51 Girdle to table-culet line offset
– – – – 0.37 %, 0.027 mm
1 2 3 4 5 6 7 8
4.39 4.19 4.04 4.02 4.56 3.80 4.70 4.13
4.90 4.49 3.79 3.58 4.19 4.39 4.06 4.85
3.40 3.06 2.77 3.10 2.90 2.45 2.06 2.91
2.69 2.41 2.83 3.62 3.22 2.90 3.34 3.16
12.25 11.35 11.51 11.51 11.82 11.27 N/A N/A

Actual Length axis asymmetry

Actual Width axis asymmetry

Both axes symmetry correction