Our Crystal Size Guide below is a helpful reference for jewellery makers and embellishment artists, providing clear comparisons of crystal sizes to assist with accurate design planning. You can also download a PDF version of the Crystal Size Guide for easy offline reference.
Further down the page, you’ll find our Seed Bead Size Guide, which outlines their unique sizing system to help you select the perfect beads for your projects.
Crystal Size Guide
Seed Bead Size Guide
| SIZE | SIZE (mm) | SIZE TOLERANCE (mm) | MINIMUM DIAMETER OF HOLE (mm) | APPROX pcs/kg | APPROX pcs/kg | |
| TRANSPARENT COLOURS | OPAQUE COLOURS | |||||
| 15/0 | 1.5 | 1.4 - 1.5 | 0.40 | 0.40 | 625 000 | 283 500 |
| 14/0 | 1.6 | 1.5 - 1.6 | 0.40 | 0.40 | 325 000 | 147 420 |
| 13/0 | 1.7 | 1.6 - 1.8 | 0.50 | 0.40 | 291 000 | 131 998 |
| 12/0 | 1.9 | 1.8 - 2.0 | 0.60 | 0.50 | 165 000 | 74 844 |
| 11/0 | 2.1 | 2.0 - 2.2 | 0.70 | 0.60 | 130 000 | 58 968 |
| 10/0 | 2.3 | 2.2 - 2.4 | 0.80 | 0.70 | 91 000 | 41 278 |
| 9/0 | 2.6 | 2.4 - 2.8 | 0.90 | 0.80 | 68 000 | 30 845 |
| 8/0 | 2.9 | 2.8 - 3.2 | 0.90 | 0.80 | 42 000 | 19 051 |
| 7/0 | 3.5 | 3.2 - 3.7 | 1.00 | 0.90 | 21 100 | 9 571 |
| 6/0 | 4.1 | 3.7 - 4.3 | 1.10 | 1.00 | 13 300 | 6 033 |
| 5/0 | 4.6 | 4.3 - 4.8 | 1.20 | 1.10 | 12 100 | 5 489 |
| 4/0 | 5.1 | 4.8 - 5.3 | 1.30 | 1.20 | 7 400 | 3 357 |
| 3/0 | 5.6 | 5.3 - 5.8 | 1.40 | 1.30 | 5 300 | 2 404 |
| 2/0 | 6.1 | 5.8 - 6.3 | 1.60 | 1.60 | 4 800 | 2 177 |
| 1/0 | 6.6 | 6.3 - 6.8 | 2.00 | 2.00 | 3 800 | 1 724 |
