Crown
g1 | 90.00° | 24-72 | Establish width |
---|---|---|---|
g2 | 90.00° | 96-48 | Establish length |
g3 | 90.00° | 12-36-60-84 | Cut by eye big enough for prong |
Pavilion
1 | 37.50° | 12-36-60-84 | Establish girdle position. Cut to centerpoint. |
---|---|---|---|
2 | 37.50° | 15-33-63-81 | Meet 1, g1, g3 |
3 | 38.28° | 09-39-57-87 | Meet 1, g2, g3 |
4 | 43.41° | 05-43-53-91 | Meet 3, 1, g2 g3 |
5 | 42.06° | 19-29-67-77 | Meet 2, 1, g1, g3 |
6 | 45.81° | 24-72 | Meet 2, 5 |
7 | 48.94° | 96-48 | Meet 3, 4 |
Crown
a | 31.11° | 12-36-60-84 | Establish girdle |
---|---|---|---|
b | 24.60° | 19-29-67-77 | Cut to 1/4 width by eye |
c | 24.25° | 05-43-53-91 | Cut to 1/4 length by eye |
d | 12.12° | 12-36-60-84 | Meet c, a, b |