Standard report for cushion

General information

Model Simple
Expert name Makoed A.G.
Report date 14.03.2009
Real weight, ct 1.00
Calculated weight, ct 2.24, 2.2420
Spread -0.38ct, -20.75 %
MIC 6.990 mm
Extra Facet / Nat No
 
Appraiser title GIA_PCTG_StarCul
Overall cut quality N/A
Symmetry appraiser title Internal
Overall symmetry quality PR
 
Width 7.000 mm
Length 7.748 mm
Diameter Minimum 7.000 mm
Diameter Maximum 8.800 mm
Ratio (L/W) 1.107
Corner ratio 1.007
Total height 4.746 mm, 67.81 %

 

Open 3D model by a free GemAdviser Software

Parameters

Avg

Min

Max

Dev

1

2

3

4

Crown height width, % 13.10 12.84 13.36 0.53 13.36 12.84
Crown height length, % 12.94 12.93 12.95 0.02 12.95 12.93
Crown height corner, % 11.80 11.10 12.27 1.17 12.27 11.10 11.58 12.25
Pavilion height width, % 50.22 49.39 51.04 1.65 49.39 51.04
Pavilion height length, % 50.69 50.17 51.21 1.04 51.21 50.17
Pavilion height corner, % 48.28 47.83 48.75 0.92 48.75 48.36 48.17 47.83
Table: Side, % 65.85 63.83 67.86 4.03 63.83 67.86
Table: Corner w.r.t. Corner, % 72.95 72.65 73.25 0.61 72.65 73.25
Table: Corner w.r.t. Width, % 91.41 90.73 92.08 1.36 90.73 92.08
Diameter: Corner, % 125.30 124.89 125.71 0.82 124.89 125.71
Culet, % 0.56 0.35 0.64 0.29        
Girdle thickness, % 4.59 2.22 9.08 6.86        
Girdle thickness width, % 4.49 3.93 5.05 1.13 5.05 3.93    
Girdle thickness length, % 4.17 3.64 4.71 1.07 3.64 4.71    
Girdle thickness corner, % 7.73 6.78 8.34 1.56 6.78 8.34 8.06 7.73
Crown Main Width height, % 13.11 12.84 13.38 0.54 13.38 12.84
Crown Main Length height, % 12.94 12.93 12.95 0.02 12.95 12.93
Crown Corner height, % 11.80 11.10 12.28 1.17 12.28 11.10 11.58 12.25
Crown Star Width height, % 4.51 4.27 4.62 0.35 4.57 4.62 4.27 4.59
Crown Star Length height, % 4.55 4.30 4.78 0.48 4.51 4.62 4.78 4.30
Crown Halves Width 1 height, % 8.43 7.50 8.90 1.40 8.81 7.50 8.52 8.90
Crown Halves Width 2 height, % 9.28 8.86 9.57 0.72 9.35 8.86 9.33 9.57
Crown Halves Length 1 height, % 7.95 7.17 8.48 1.30 8.40 7.17 7.76 8.48
Crown Halves Length 2 height, % 8.92 8.73 9.19 0.46 9.02 8.73 8.75 9.19
Pavilion Main height, % 29.21 28.59 30.27 1.68 28.59 28.87 30.27 29.12
Pavilion Corner height, % 18.75 17.31 19.55 2.24 19.08 17.31 19.05 19.55
Pavilion Corner Width height, % N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner Length height, % N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Girdle Width height, % 31.96 31.68 32.25 0.56 31.68 32.25 N/A N/A
Pavilion Girdle Length height, % 29.51 29.25 29.78 0.52 29.25 29.78 N/A N/A
Pavilion Girdle Halves Width 1 height, % 17.70 14.99 19.50 4.50 17.13 14.99 19.19 19.50
Pavilion Girdle Halves Width 2 height, % 19.56 18.22 21.34 3.12 18.22 18.34 21.34 20.33
Pavilion Girdle Halves Length 1 height, % 16.83 14.29 18.31 4.02 17.36 14.29 18.31 17.35
Pavilion Girdle Halves Length 2 height, % 19.28 17.30 19.96 2.66 19.88 17.30 19.96 19.96
Pavilion Halves Width 1 height, % 29.13 27.83 30.79 2.96 29.32 30.79 28.57 27.83
Pavilion Halves Width 2 height, % 25.97 22.10 28.65 6.55 28.65 24.66 28.47 22.10
Pavilion Halves Width 3 height, % 18.44 17.77 19.21 1.44 17.81 19.21 18.98 17.77
Pavilion Halves Length 1 height, % 29.41 28.45 31.48 3.03 29.05 31.48 28.45 28.64
Pavilion Halves Length 2 height, % 26.43 24.32 27.39 3.07 24.32 27.10 27.39 26.92
Pavilion Halves Length 3 height, % 20.46 20.16 20.71 0.55 20.16 20.71 20.61 20.37
Crown height width, mm 0.917 0.899 0.936 0.037 0.936 0.899
Crown height length, mm 0.906 0.905 0.907 0.002 0.907 0.905
Crown height corner, mm 0.826 0.777 0.859 0.082 0.859 0.777 0.810 0.858
Pavilion height width, mm 3.515 3.457 3.573 0.116 3.457 3.573
Pavilion height length, mm 3.548 3.512 3.585 0.073 3.585 3.512
Pavilion height corner, mm 3.379 3.348 3.413 0.065 3.413 3.385 3.372 3.348
Table: Side, mm 4.863 4.468 5.258 0.790 4.468 5.258
Table: Corner, mm 6.399 6.351 6.446 0.095 6.351 6.351
Diameter: Corner, mm 8.771 8.742 8.800 0.057 8.742 8.800
Culet, mm 0.039 0.024 0.045 0.020
Girdle thickness, mm 0.321 0.156 0.636 0.480        
Girdle thickness width, mm 0.314 0.275 0.354 0.079 0.354 0.275    
Girdle thickness length, mm 0.292 0.255 0.330 0.075 0.255 0.330    
Girdle thickness corner, mm 0.541 0.475 0.584 0.109 0.475 0.584 0.564 0.541
Pavilion Corner Width height, mm N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner Length height, mm N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Girdle Width height, mm 2.237 2.218 2.257 0.040 2.218 2.257 N/A N/A
Pavilion Girdle Length height, mm 2.066 2.048 2.084 0.037 2.048 2.084 N/A N/A
Pavilion Girdle Halves Width 1 height, mm 1.239 1.050 1.365 0.315 1.199 1.050 1.343 1.365
Pavilion Girdle Halves Width 2 height, mm 1.369 1.276 1.494 0.218 1.276 1.284 1.494 1.423
Pavilion Girdle Halves Length 1 height, mm 1.178 1.001 1.282 0.281 1.215 1.001 1.282 1.214
Pavilion Girdle Halves Length 2 height, mm 1.349 1.211 1.397 0.186 1.392 1.211 1.397 1.397
Pavilion Halves Width 1 height, mm 2.039 1.948 2.155 0.207 2.053 2.155 2.000 1.948
Pavilion Halves Width 2 height, mm 1.818 1.547 2.006 0.459 2.006 1.726 1.993 1.547
Pavilion Halves Width 3 height, mm 1.291 1.244 1.345 0.101 1.247 1.345 1.329 1.244
Pavilion Halves Length 1 height, mm 2.058 1.991 2.204 0.212 2.034 2.204 1.991 2.005
Pavilion Halves Length 2 height, mm 1.850 1.703 1.917 0.215 1.703 1.897 1.917 1.884
Pavilion Halves Length 3 height, mm 1.432 1.411 1.450 0.039 1.411 1.450 1.443 1.426
 

Facet angles,

Avg

Min

Max

Dev

1

2

3

4

Crown Main Width angle 35.90 35.82 35.97 0.15 35.82 35.97
Crown Main Length angle 35.98 35.65 36.30 0.65 36.30 35.65
Crown Corner angle 34.94 34.53 35.41 0.88 35.41 35.10 34.73 34.53
Crown Star Width angle 26.92 26.42 27.69 1.27 27.69 26.68 26.42 26.89
Crown Star Length angle 27.59 25.86 28.68 2.82 27.93 28.68 27.88 25.86
Crown Halves Width 1 angle 43.73 43.28 44.30 1.02 44.30 43.28 43.69 43.63
Crown Halves Width 2 angle 44.51 43.96 44.86 0.90 44.86 44.50 44.70 43.96
Crown Halves Length 1 angle 42.26 41.00 43.51 2.51 43.51 41.86 42.68 41.00
Crown Halves Length 2 angle 44.18 43.52 45.16 1.64 44.09 45.16 43.96 43.52
Pavilion Main angle 31.17 29.83 32.40 2.57 29.83 31.42 32.40 31.03
Pavilion Corner angle 54.02 51.03 56.76 5.73 53.82 51.03 54.49 56.76
Pavilion Corner Width angle N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Corner Length angle N/A N/A N/A N/A N/A N/A N/A N/A
Pavilion Girdle Width angle 57.94 57.59 58.30 0.71 58.30 57.59 N/A N/A
Pavilion Girdle Length angle 54.34 50.92 57.77 6.85 50.92 57.77 N/A N/A
Pavilion Girdle Halves Width 1 angle 59.67 57.76 62.05 4.29 59.58 57.76 59.29 62.05
Pavilion Girdle Halves Width 2 angle 61.11 59.77 62.41 2.64 62.38 59.87 59.77 62.41
Pavilion Girdle Halves Length 1 angle 56.95 54.44 60.09 5.64 55.27 54.44 58.01 60.09
Pavilion Girdle Halves Length 2 angle 58.51 54.25 62.82 8.57 54.25 55.54 61.42 62.82
Pavilion Halves Width 1 angle 32.78 31.39 34.40 3.01 32.49 34.40 32.84 31.39
Pavilion Halves Width 2 angle 33.60 31.79 34.64 2.85 33.33 34.64 34.63 31.79
Pavilion Halves Width 3 angle 33.75 32.03 35.10 3.08 32.86 35.00 35.10 32.03
Pavilion Halves Length 1 angle 33.63 30.90 36.32 5.42 36.07 36.32 31.22 30.90
Pavilion Halves Length 2 angle 34.23 31.29 37.10 5.80 36.88 37.10 31.66 31.29
Pavilion Halves Length 3 angle 34.46 31.04 37.79 6.75 37.72 37.79 31.28 31.04

Facets slope angles

 

Facets azimuth angles

 

Facets heights

 

Girdle facets angles & azimuths

 

  Girdle center Culet center Table center MIC center

Offset by table axis

Girdle-Culet offset by table axis 0.57 0.28, % 0.040 0.019, mm
Girdle-Table offset by table axis 0.62 0.25, % 0.043 0.017, mm
Table-Culet offset by table axis 0.46 0.29, % 0.032 0.020, mm
Girdle to table-culet line offset 0.46, % 0.032, mm

Facet azimuths,

1

2

3

4

Crown Main Width azimuth 0.2 179.8
Crown Main Length azimuth 88.3 269.3
Crown Corner azimuth 46.3 135.3 226.5 316.8
Crown Star Width azimuth 4.2 175.4 184.3 355.5
Crown Star Length azimuth 83.6 92.3 264.7 275.4
Crown Halves Width 1 azimuth 25.8 156.6 202.9 339.8
Crown Halves Width 2 azimuth 5.0 175.1 184.7 355.6
Crown Halves Length 1 azimuth 67.6 120.1 243.7 300.1
Crown Halves Length 2 azimuth 83.4 93.9 263.8 274.8
Pavilion Main azimuth 318.9 48.7 135.8 224.6
Pavilion Corner azimuth 51.3 135.2 223.9 317.2
Pavilion Corner Width azimuth N/A N/A N/A N/A
Pavilion Corner Length azimuth N/A N/A N/A N/A
Pavilion Girdle Width azimuth 359.8 181.3 N/A N/A
Pavilion Girdle Length azimuth 89.3 268.9 N/A N/A
Pavilion Girdle Halves Width 1 azimuth 35.1 154.8 205.4 337.9
Pavilion Girdle Halves Width 2 azimuth 2.6 179.2 183.3 356.8
Pavilion Girdle Halves Length 1 azimuth 60.0 126.2 234.7 308.2
Pavilion Girdle Halves Length 2 azimuth 86.3 93.2 265.4 272.8
Pavilion Halves Width 1 azimuth 34.2 151.9 211.2 330.1
Pavilion Halves Width 2 azimuth 26.5 155.5 201.4 334.0
Pavilion Halves Width 3 azimuth 13.4 169.6 189.8 346.3
Pavilion Halves Length 1 azimuth 74.6 108.1 234.0 298.2
Pavilion Halves Length 2 azimuth 78.6 103.5 244.2 293.6
Pavilion Halves Length 3 azimuth 85.3 94.1 253.0 282.3

 

Girdle asymmetry

  Recommendation for girdle
asymmetry removing
 
 
 

Culet shift ratio by width & length

 

Width 7.000 mm, 100%
Width-wise culet shift ratio 3.498 mm, 49.97 % 3.503 mm, 50.04 %
Lengh-wise culet shift ratio 3.909 mm, 55.84 % 3.844 mm, 54.92 %
Length 7.748 mm, 100%
Lengh-wise culet shift ratio 3.909 mm, 50.44 % 3.844 mm, 49.61 %

Cut parameters description