| Tariff Classification |
| section 14 | Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin |
| chapter 71 | Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin |
| 71.05 | Dust and powder of natural or synthetic precious or semi-precious stones: |
| 7105.10 | －Of diamonds |
|