Diamond Checker Cushion 166
Gemology Projectopen
- L/W
- 150%
- Design RI
- 1.54
- H/W
- 87%
- Gear
- 96
- V/W³
- 0.448
- Symmetry
- 2 (mirrored)
- Facets
- 80
- Tiers
- 22
- Crown
- 52
- Pavilion
- 28
Wireframe
Pavilion
| # | Angle | Facets | Notes |
|---|---|---|---|
| 7 | 90.00° | 23257173 | Level girdle |
| 5 | 90.00° | 1474995 | Establish width |
| G3 | 90.00° | 5435391 | |
| 8 | 90.00° | 14346282 | Level girdle |
| 3 | 51.09° | 1474995 | Cut to PCP |
| 2 | 48.02° | 5435391 | Cut to PCP |
| 1 | 40.77° | 14346282 | Cut to PCP |
| 4 | 39.55° | 23257173 | Cut to PCP |
Crown
| # | Angle | Facets | Notes |
|---|---|---|---|
| B | 76.54° | 5435391 | Level girdle |
| A | 73.03° | 1474995 | Establish girdle width |
| D | 48.38° | 23257173 | Level girdle |
| C | 45.85° | 14346282 | Level girdle |
| G | 37.24° | 2465094 | Meet A- B- E |
| E | 32.06° | 7415589 | Meet B- C at girdle |
| H | 30.00° | 9648 | Meet G- A- A- G |
| I | 29.78° | 19296777 | Meet C- D at girdle |
| F | 27.76° | 12366084 | Meet B- C- E at girdle |
| J | 20.93° | 2472 | Meet !- D- D- I |
| K | 20.74° | 5435391 | Meet H- G- E |
| L | 17.20° | 14346282 | Meet F- I- J |
| M | 10.18° | 9648 | Meet K- H- K |
| N | 6.95° | 2472 | Meet L- J- L |