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Locked
By: Dan Starr
Cutting Instructions
Locked cut in Yellow/Gold Zircon
5.28 ct  - 9.8 x 6.2 mm
Brightness Table
R.I.
Iso %
Cos %
1.54
93.9
79.8
1.62
93.8
78.4
1.76
93.0
75.4
1.96
91.1
70.2
2.17
85.4
62.7
Pavilion
P1
43.00°
120-024-048-072-096                                          
Cut to center point.                                                                                            
P2
40.70°
012-036-060-084-108                                          
Cut to the same center point.                                                                             
P3(G)
90.00°
012-036-060-084-108                                          
Cut to meet P2 and form girdle.                                                                         
P4(G)
90.00°
120-024-048-072-096                                          
Cut to meet P1 and P2 to form girdle.                                                                
Crown
C1
33.00°
120-024-048-072-096                                          
Cut to form girdle.                                                                                              
C2
29.00°
012-036-060-084-108                                          
Cut to meet C1 and form girdle.                                                                         
C3
26.00°
022-046-070-094-118                                          
Cut to meet girdle.                                                                                              
C4
21.50°
020-044-068-092-116                                          
Cut to center point and about 50% of the line length formed by C2 and C3.    
T

Table                                                                     
Cut to meet C3 and C4.                                                                                      
Locked - Designed by Dan Starr © 2006
Angles are for R.I = 1.96
31 Facets  +  10 Girdle Facets  =  41  Total Facets
5-fold radial symmetry
120  Index
L/W = 1.051  T/W = 0.511  U/W = 0.502  P/W = 0.447  C/W = 0.130
Volume/W e3  =  0.198
Cutting Instructions
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Cutting Remarks - This is an easy design to cut with high brilliance numbers. It's very nice in tourmaline and zircon.
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