Spectrum Diamond Powders
Grit Size Chart
Grade Designation | Grain Size (microns) | Sieve # | Mesh Equivalent |
1/4 | 0 - 1/2 micron | ----- | 60,000 |
1/2 | 0 - 1 | ----- | 50,000 |
1 | 0 - 2 | ----- | 14,500 |
3 | 2 - 4 | ----- | 8,000 |
6 | 4 - 8 | ----- | 3,000 |
9 | 8- -12 | ----- | 2,000 |
15 | 12 - 22 | ----- | 1,200 |
30 | 22 - 36 | ----- | 600 |
45 | 36 - 54 | 325 | 325 |
60 | 54 - 80 | 230 | 230 |
90 | 60 - 120 | 170 | 170 |
120 | 80 - 150 | 120 | 120 |
150 | 100- 200 | 100 | 100 |
Spectrum Diamond Powders are available in standard size 25, 50 and 100 carat jars
Special sizes are available upon request
When ordering, please order by grade number
Diamond powders are subject to market pricing fluctuations.
Please call us at 888.238.6710 for current pricing