This page has been validated.
vi
EXPLANATION OF PLATES.
PLATE 1.
| No. | 1. | Represents a regular octahedral diamond. |
| 2. | The top and bottom reduced to form the table and collet. | |
| 3. | The preceding, single cut: | |
| 4. | Profile of a full sized brilliant. | |
| a The Table. | ||
| b The Collet: | ||
| c The Girdle. | ||
| d The Bizel | ||
| e The Collet side. | ||
| 5. | Table and bizel of No. 4. | |
| 6. | Collet and collet side of the same. | |
| 7. | Two views of a rose diamond. | |
| a An oval diamond. | ||
| 8. | Table and bizel. | |
| 9. | Collet and collet side. | |
| ⁂ | The last three figures represent the size of a well proportioned ten-carat diamond. | |
| 10. | Table diamond. | |
| 11. | A Lasque. | |
| 12. | The same with one bevel. |
