Instruments |
Books |
| Micro Scope |
 |
Diamond Grading ABC
(A Hand Book for Diamond Grading) |
Hardness 10 Diamond History
Diamond Cutting - Trade |
| Ideal Scope |
 |
Grading Polished Stones for Colour |
Diamonds
By : Eric Bruton F. G. A. |
| Helium Rough |
 |
Gems
Their Sources, Descriptions and Identification
By : Robert Webster G. G. A. |
Diamond Cutting
A Complete Guide to Diamond Processing
By : Basil, Water Meyer |
| Sarin Dia-Mark |
 |
|
| Dia Planner |
 |
|
| Maxi Machine |
 |
|
