| 6804.21.00 | 00 | Of agglomerated synthetic or natural diamond | No. | Free | | 30% |
| 7102 | | Diamonds, whether or not worked, but not mounted or set: | | | | |
| 7102.21.10 | | Miners' diamonds | | Free | | Free |
| 7102.29.00 | 10 | Miners' diamonds: | | | | |
| 7103 | | Precious stones (other than diamonds) and semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semi-precious stones, temporarily strung for convenience of transport: | | | | |
| 7105.10.00 | | Of diamonds | | Free | | Free |
| 8207.20.00 | 30 | Diamond wire drawing dies | No. kg | | | |
| 9817.82.01 | | Mounted tool and drill bit blanks of polycrystalline diamond (provided for in subheadings 8207.19.60, 8207.50.40 or 8207.50.80) and mounted tool blanks of polycrystalline diamond (provided for in subheadings 8207.70.60, 8207.80.60, 8207.90.45 or 8207.90.75 | | Free | | The rate applicable in the absence of this heading |
Harmonized Tariff Schedule of the United States inquiry: 534
