Standard report for step cut

General information

Cut Emerald
Model Simple
Expert name Makoed A.G.
Report date 30.06.2008
Real weight, ct
Calculated weight, ct 3.68, 3.6791
Spread 0.27ct, 6.91 %
MIC 7.935 mm
Extra Facet / Nat Yes (1)
 
Appraiser title GIA_PCTG_StarCul
Overall cut quality N/A
Symmetry appraiser title Internal
Overall symmetry quality PR
 
Width 7.960 mm
Length 10.883 mm
Diameter Minimum 7.960 mm
Diameter Maximum 11.880 mm
Ratio (L/W) 1.367
Total height 4.539 mm, 57.02 %

 

Open 3D model by a free GemAdviser Software

Parameters

Avg

Min

Max

Dev

1

2

3

4

Crown height, % 10.40 9.86 10.99 1.13 10.19 9.86 10.57 10.99
Crown height, mm 0.828 0.785 0.875 0.090 0.811 0.785 0.842 0.875
Pavilion depth, % 41.10 39.72 42.37 2.66 42.37 39.72 42.29 40.00
Pavilion depth, mm 3.271 3.161 3.373 0.212 3.373 3.161 3.366 3.184
Girdle thickness bezel, % 5.52 4.16 7.45 3.29 4.46 7.45 4.16 6.03
Girdle thickness bezel, mm 0.440 0.331 0.593 0.262 0.355 0.593 0.331 0.480
Corner angle width, % 19.17 18.34 20.19 1.85 18.34 20.19 18.85 19.31
Corner angle width, mm 1.526 1.460 1.607 0.148 1.460 1.607 1.500 1.537
Corner angle length, % 16.00 15.33 16.45 1.11 16.20 16.02 16.45 15.33
Corner angle length, mm 1.274 1.220 1.309 0.089 1.290 1.275 1.309 1.220
Table, % 68.37 64.89 71.84 6.95 64.89   71.84  
Table, mm 6.492 5.165 7.819 2.653 5.165   7.819  
Culet, % N/A 0.01 0.49 0.48        
Culet, mm N/A 0.001 0.039 0.038        
Culet length, %         0.24      
Culet length, mm         2.650      
 
Crown Main 1 angle, 37.42 35.74 38.70 2.95 38.70 37.32 37.92 35.74
Crown Main 1 height, % 6.20 5.88 6.47 0.58 6.01 5.88 6.42 6.47
Crown Main 1 height, mm 0.493 0.468 0.515 0.046 0.478 0.468 0.511 0.515
Crown Main 2 angle, 25.39 23.33 27.41 4.08 25.46 23.33 27.41 25.35
Crown Main 2 height, % 3.22 2.99 3.49 0.50 3.20 2.99 3.20 3.49
Crown Main 2 height, mm 0.256 0.238 0.278 0.040 0.255 0.238 0.255 0.278
Crown Main 3 angle, 18.54 16.80 20.35 3.55 19.52 16.80 20.35 17.49
Crown Main 3 height, % 1.33 1.22 1.40 0.18 1.38 1.22 1.40 1.31
Crown Main 3 height, mm 0.106 0.097 0.111 0.014 0.110 0.097 0.111 0.104
Crown Main 4 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Crown Main 4 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Crown Main 4 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
Crown Main 5 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Crown Main 5 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Crown Main 5 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
 
Crown Corner 1 angle, 33.98 33.10 35.19 2.09 34.27 35.19 33.34 33.10
Crown Corner 1 height, % 6.30 5.91 6.75 0.84 5.91 6.13 6.39 6.75
Crown Corner 1 height, mm 0.501 0.471 0.538 0.067 0.471 0.488 0.509 0.538
Crown Corner 2 angle, 23.08 21.99 23.97 1.99 21.99 22.96 23.97 23.40
Crown Corner 2 height, % 3.32 3.06 3.66 0.60 3.06 3.15 3.66 3.42
Crown Corner 2 height, mm 0.265 0.244 0.292 0.048 0.244 0.251 0.292 0.272
Crown Corner 3 angle, 16.06 14.82 16.87 2.05 16.87 14.82 16.21 16.34
Crown Corner 3 height, % 1.32 1.26 1.44 0.18 1.31 1.27 1.26 1.44
Crown Corner 3 height, mm 0.105 0.100 0.115 0.014 0.104 0.101 0.100 0.115
Crown Corner 4 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Crown Corner 4 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Crown Corner 4 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
Crown Corner 5 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Crown Corner 5 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Crown Corner 5 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
 
Pavilion Main 1 angle, 48.21 47.86 49.18 1.32 49.18 47.87 47.86 47.94
Pavilion Main 1 height, % 18.02 15.94 19.86 3.92 19.26 15.94 19.86 17.01
Pavilion Main 1 height, mm 1.434 1.269 1.581 0.312 1.533 1.269 1.581 1.354
Pavilion Main 2 angle, 40.61 38.71 42.49 3.79 42.49 38.71 40.50 40.74
Pavilion Main 2 height, % 10.07 9.61 10.42 0.81 10.42 9.61 10.34 9.92
Pavilion Main 2 height, mm 0.802 0.765 0.829 0.065 0.829 0.765 0.823 0.789
Pavilion Main 3 angle, 33.68 32.17 34.96 2.79 34.37 32.17 34.96 33.23
Pavilion Main 3 height, % 8.15 7.43 8.74 1.31 8.07 8.35 8.74 7.43
Pavilion Main 3 height, mm 0.648 0.591 0.695 0.104 0.642 0.665 0.695 0.591
Pavilion Main 4 angle, 27.22 24.56 29.42 4.86 29.25 25.64 29.42 24.56
Pavilion Main 4 height, % 6.78 6.50 7.16 0.66 6.89 6.50 7.16 6.58
Pavilion Main 4 height, mm 0.540 0.518 0.570 0.052 0.549 0.518 0.570 0.523
Pavilion Main 5 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Main 5 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Main 5 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
 
Pavilion Corner 1 angle, 44.63 43.24 45.27 2.03 44.77 43.24 45.27 45.23
Pavilion Corner 1 height, % 18.26 17.27 19.00 1.73 17.27 18.37 18.41 19.00
Pavilion Corner 1 height, mm 1.454 1.375 1.512 0.138 1.375 1.462 1.465 1.512
Pavilion Corner 2 angle, 35.62 35.15 35.86 0.70 35.73 35.73 35.15 35.86
Pavilion Corner 2 height, % 10.04 9.63 10.67 1.04 9.63 9.75 10.09 10.67
Pavilion Corner 2 height, mm 0.799 0.767 0.849 0.082 0.767 0.776 0.803 0.849
Pavilion Corner 3 angle, 33.43 32.20 34.22 2.02 33.07 32.20 34.21 34.22
Pavilion Corner 3 height, % 7.91 7.04 9.44 2.39 7.86 9.44 7.28 7.04
Pavilion Corner 3 height, mm 0.629 0.561 0.751 0.191 0.626 0.751 0.580 0.561
Pavilion Corner 4 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner 4 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner 4 height, mm N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner 5 angle, N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner 5 height, % N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner 5 height, mm N/A N/A N/A N/A N/A N/A N/A N/A

Facets' slope angles

 

Facets' azimuth angles

 

Facets' heights

 

Girdle facets' angles & azimuths

 

  Girdle center Culet center Table center MIC center

Parameters

1

2

3

4

Corner angle width, % 18.34 20.19 18.85 19.31
Corner angle width, mm 1.460 1.607 1.500 1.537
Corner angle length, % 16.20 16.02 16.45 15.33
Corner angle length, mm 1.290 1.275 1.309 1.220
Girdle facet angle, 86.36 89.89 87.08 89.39
Girdle facet azimuth, 0.2 89.9 179.8 268.9
Girdle corner angle, 89.82 89.66 88.52 87.77
Girdle corner azimuth, 48.6 128.4 229.2 308.1

Girdle side width & length

1

2

Girdle side width, % 60.2 61.2
Girdle side width, mm 4.793 4.874
Girdle side length, % 103.2 103.0
Girdle side length, mm 8.216 8.195
Girdle side width-based length, % 103.2 102.9
Girdle side width-based length, mm 8.215 8.193

 

Girdle asymmetry

  Recommendation for girdle
asymmetry removing
 
 
 

Offset

Distance

Width wise

Length wise

Culet-Table offset by table axis, % 1.27 0.25 0.72 1.04
Culet-Table offset by table axis, mm 0.101 0.020 0.057 0.083
Girdle-Culet offset by table axis, % 1.02 0.24 0.66 0.77
Girdle-Culet offset by table axis, mm 0.081 0.019 0.053 0.062
Girdle-Table offset by table axis, % 0.27 0.22 0.06 0.27
Girdle-Table offset by table axis, mm 0.022 0.017 0.005 0.021
Girdle to table-culet line offset, % 1.27    
Girdle to table-culet line offset, mm 0.101    

Culet shift ratio by width & length

 

Width 7.960 mm, 100%
Width-wise culet shift ratio 4.045 mm, 50.82 % 3.915 mm, 49.18 %
Lengh-wise culet shift ratio 5.450 mm, 68.47 % 5.441 mm, 68.36 %
Length 10.883 mm, 100%
Lengh-wise culet shift ratio 5.450 mm, 50.08 % 5.441 mm, 50.00 %

Parameter

Cut

Symmetry

Diameter (ratio) N/A
Crown height N/A VG
Pavilion depth N/A FR
Total height N/A
Table N/A N/A
Culet N/A EX
Girdle thickness N/A PR
Corner angle width N/A
Crown Main 1 angle N/A
Crown Main 2 angle N/A
Crown Main 3 angle N/A
Pavilion Main 1 angle N/A
Pavilion Main 2 angle N/A
Pavilion Main 3 angle N/A

Cut parameters description