PC 41.089

Kate's Christmas Gem 2001

Designed by: Jim Perkins Copyright December 19,2001
Save to collection
No ratings yet
DataVueopen
L/W
123%
Design RI
1.63
H/W
60%
Gear
96
V/W³
0.312
Symmetry
2 (mirrored)
Facets
47
Tiers
17
Crown
8
Pavilion
39

Average face up brilliance ISO=83.1% COS=71.8%

I originally designed this for Tanzanite. Then I worked out the angles so it could be cut with no angle changes. If you cut Kate's Christmas Gem I'd enjoy hearing from you.

Wireframe

Kate's Christmas Gem 2001 3D view
Top viewSide viewFront viewBack view

Pavilion

#AngleFacetsNotes
G190.00°
4896
Grind G1 to width.
G290.00°
2472
Grind to length.
G390.00°
13356183
Level girdle to G1.
P146.50°
2472
Level girdle to G3.
P243.50°
4896
Grind to center.
P338.52°
 1474995
MP@ girdle.
P437.97°
13356183
MP @ C,B and girdle.
P537.92°
4896
MP @ A.
P636.90°
20286876
MP @ C,B,D.

Crown

#AngleFacetsNotes
C144.01°
4896
Grind girdle thickness.
C234.00°
2472
Level girdle to 2.
C333.53°
13356183
Level girdle to 1
C430.01°
 4445292
MP @ girdle.
C526.35°
20286876
MP @ Girdle.
C617.65°
2472
MP @ 3.
C712.32°
4896
MP @ 1.
T0.00°
96
Meet points @ 7,4,2,5,& 6.