Standard report for rounded fancies

General information

Cut Pear
Model Simple
Expert name N/A
Report date 25.09.2012
Scale weight, ct 1.00
Model mass, ct 0.43, 0.4311
Spread 0.10ct, 18.42 %
MIC 4.361 mm
Extra Facet Girdle / Nat No
Extra Facet Crown No
Extra Facet Pavilion No
 
Appraiser title N/A
Overall cut quality N/A
Symmetry appraiser title Internal
Overall symmetry quality PR
Model building info The model is built correctly
 
Width 4.366 mm
Length 6.797 mm
Diameter Minimum 4.366 mm
Diameter Maximum 6.797 mm
Ratio (L/W) 1.557
Total height 2.542 mm, 58.21 %

 

Open 3D model by a free GemAdviser Software

Average values, mm

Crown height Pavilion height Total height Table Culet Girdle bezel Girdle bone Girdle valley
0.491 1.892 2.542 3.838 0.025 0.158 0.192 0.105

Parameters

Avg

Min

Max

Dev

1

2

3

4

5

6

7

8

Crown height, % 11.25 9.40 12.99 3.60 12.47 9.77 9.76 9.40 10.97 12.22 12.99 12.44
Crown height bone, % 10.88 8.84 12.83 3.99 10.56 9.24 8.84 8.92 11.94 11.96 12.76 12.83
Crown height valley, % 11.89 9.74 14.09 4.35 12.50 10.87 10.22 9.90 9.76 9.80 9.74 10.91
12.17 12.70 13.43 13.62 14.09 13.27 13.68 13.64
Pavilion height, % 43.33 40.99 45.71 4.72 42.15 45.01 45.71 45.15 43.73 41.75 40.99 42.19
Pavilion height bezel, % 42.94 40.30 45.06 4.76 42.20 43.67 44.66 44.30 45.06 42.98 40.30 40.35
Pavilion height upperbone, % 42.94 40.30 45.06 4.76 43.67 44.66 44.30 45.06 42.98 40.30 40.35 42.20
Pavilion height bone, % 43.33 40.99 45.71 4.72 45.01 45.71 45.15 43.73 41.75 40.99 42.19 42.15
Pavilion height valley, % 44.02 41.74 45.82 4.07 43.82 45.13 45.45 45.71 45.71 45.56 45.82 45.17
44.12 43.38 42.13 41.76 41.74 42.32 43.51 43.06
Pavilion height valley type 2, % 44.02 41.74 45.82 4.07 43.82 45.13 45.45 45.71 45.71 45.56 45.82 45.17
44.12 43.38 42.13 41.76 41.74 42.32 43.51 43.06
Table, % 67.47 61.54 73.40 11.87                
Upper girdle facet angle, 39.96 34.84 44.74 9.91 37.96 40.06 42.96 44.74 42.72 39.58 37.13 34.84
37.93 38.39 43.40 38.87 42.04 41.18 38.85 38.77
Upper girdle facet azimuths,         6.7 22.0 34.0 47.6 128.8 144.1 155.0 174.5
        186.2 205.5 227.9 261.2 284.3 305.9 330.8 355.5
Star angle, 16.10 13.09 20.16 7.07 15.61 15.69 14.77 13.09 20.16 14.74 16.68 18.10
Star :
Upper ratio, %
51.84:
48.16
44.70:
55.30
57.03:
42.97
12.33 50.73:
49.27
44.70:
55.30
51.55:
48.45
52.51:
47.49
54.65:
45.35
57.03:
42.97
54.46:
45.54
49.10:
50.90
Star azimuths,         13.1 35.3 140.0 165.6 192.8 243.0 293.5 344.9
Lower girdle facet angle, 38.35 29.39 42.45 13.07 42.45 40.21 37.89 31.39 29.39 35.63 39.11 40.63
40.83 39.84 38.20 37.57 38.12 39.32 40.88 42.14
Lower girdle facet azimuths,         14.1 26.5 33.7 50.5 124.8 144.4 156.2 165.7
        180.8 201.1 225.4 260.5 282.5 313.6 330.6 356.8
Culet, % 0.57 0.23 0.80 0.57                
Twist, 8.72 3.91 12.84 8.93 12.84 3.91 9.43 8.69 N/A N/A N/A N/A
Girdle height bezel, % 3.62 2.75 4.24 1.50 3.59 3.43 2.75 3.67 3.51 4.24 4.23 3.57
Girdle height bone, % 4.39 3.18 5.95 2.77 3.98 4.30 5.07 4.22 3.28 5.95 5.10 3.18
Girdle height valley, % 2.41 1.01 2.88 1.86 2.32 2.46 2.55 2.68 2.75 2.85 2.65 2.75
2.05 2.18 2.70 2.84 2.37 2.88 1.01 1.51
Girdle height valley type 2, % 2.41 1.01 N/A 1.86 2.32 2.46 2.55 2.75 2.75 2.85 2.65 2.75
2.05 2.18 2.70 2.84 2.37 2.88 1.01 1.51
Girdle height (Crown Mains), % 3.55 2.75 4.23 1.48 3.43 3.33 2.75 3.67 3.46 3.92 4.23 3.57
Girdle height (Pavilion Mains), % 4.23 2.96 5.95 2.99 2.96 3.55 4.13 4.91 4.11 3.28 5.95 4.92
Girdle height (Upper girdle facets), % 2.53 1.04 3.51 2.47 2.72 2.53 2.55 2.69 3.05 2.85 2.66 3.51
2.18 2.20 2.70 2.89 2.38 3.07 1.04 1.52
Girdle height (Lower girdle facets), % 2.52 1.02 3.42 2.40 2.70 2.62 2.56 2.75 2.75 2.85 2.66 3.42
2.20 2.18 2.71 2.84 2.38 3.11 1.02 1.51

Main facets' angles & azimuths,

Avg

Min

Max

Dev

1

2

3

4

Crown curve angle (C) 31.75 30.72 32.78 2.06 32.78 30.72    
Crown head angle (H) 32.07 31.93 32.19 0.26 32.19 32.08 31.93  
Crown point angle (P) 24.84 24.84 24.84 0.00 24.84 N/A    
Crown wing angle (W) 31.92 30.96 32.88 1.92 32.88 30.96 N/A N/A
Crown curve azimuth (C)       1.93 178.93    
Crown head azimuth (H)         214.24 270.11 319.87  
Crown point azimuth (P)         91.81 N/A    
Crown wing azimuth (W)         26.95 149.66 N/A N/A
Pavilion curve angle (C) 39.97 39.28 40.61 1.33 40.61 40.32 39.28 39.68
Pavilion head angle (H) 36.77 36.11 37.43 1.32 36.11 37.43 N/A  
Pavilion point angle (P) N/A N/A N/A N/A N/A N/A    
Pavilion wing angle (W) 34.41 33.61 35.21 1.60 35.21 33.61 N/A N/A
Pavilion curve azimuth (C)       349.09 23.04    
Pavilion head azimuth (H)         236.76 304.80 N/A  
Pavilion point azimuth (P)         N/A N/A    
Pavilion wing azimuth (W)         38.57 140.22 N/A N/A

Facets slope angles

 

Facets azimuth angles

 

Girdle facets angles & azimuths

 

  Girdle center Culet center Table center MIC center

Offset

Distance

Width wise

Length wise

Culet-Table offset by table axis, % 15.68 0.29 2.28 15.52
Culet-Table offset by table axis, mm 0.685 0.013 0.100 0.677
Girdle-Culet offset by table axis, % 21.44 0.28 1.06 21.41
Girdle-Culet offset by table axis, mm 0.936 0.012 0.046 0.935
Girdle-Table offset by table axis, % 6.02 0.25 1.22 5.90
Girdle-Table offset by table axis, mm 0.263 0.011 0.053 0.257
Girdle to table-culet line offset, % 15.68    
Girdle to table-culet line offset, mm 0.685    

Culet shift ratio by width & length

 

Width 4.366 mm, 100%
Width-wise culet shift ratio 2.266 mm, 51.90 % 2.104 mm, 48.19 %
Lengh-wise culet shift ratio 2.460 mm, 56.35 % 4.335 mm, 99.27 %
Length 6.797 mm, 100%
Lengh-wise culet shift ratio 2.460 mm, 36.20 % 4.335 mm, 63.77 %

Table by width & length

Width 4.366 mm, 100% Length 6.797 mm, 100%
Table by width 2.687 mm, 61.54 % Table by length 4.989 mm, 73.40 %

Actual Length axis asymmetry

  Length axis symmetry correction
 
 
 

Parameters

Cut

Sym

Diameter, mm N/A  
Total height, % N/A  
Crown height, % N/A FR
Pavilion height bezel, % N/A PR
Table, % N/A PR
Upper girdle angle,   PR
Star angle,   PR
Lower girdle angle /
Halves angle,
  PR
Star :
Upper ratio, %
  PR
Culet, % N/A EX
Twist,   PR
Girdle height bezel, % N/A GD
Girdle height bone, %   FR
Girdle height valley, % N/A GD

Cut parameters description