Diamond Cushion

Lisa Elser
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Gemology Projectopen
L/W
100%
Design RI
1.62
H/W
78%
Gear
96
V/W³
0.314
Symmetry
4 (mirrored)
Facets
69
Tiers
11
Crown
25
Pavilion
36

September 2009

This cuts fast and performs well in larger stones. It is designed for light/medium saturation. The diamond shapes on the crown should be cut in after the table is cut and polished, and the angles can be adjusted to make sure they meet up correctly.

Wireframe

Diamond Cushion 3D view
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Pavilion

#AngleFacetsNotes
P190.00°
 321274551697593
P270.00°
 321274551697593
cut a small step.
P352.00°
 321274551697593
cut step
P446.00°
 321274551697593
cut step
P543.00°
 321274551697593
cut step to TCP. Last 3 steps should be equal.
P642.00°
96244872
cut to meet P5. PCP

Crown

#AngleFacetsNotes
C142.00°
 321274551697593
Level girdle
C336.00°
96242448
cut to meet girdle, C2
C434.00°
96242448
Cut to meet table, C1
C230.00°
 321274551697593
cut step
T0.00°
24
Cut in - create equal crown steps