HTS heading 7104
Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport — 10 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 7104 | Synthetic or reconstructed precious or semiprecious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semiprecious stones, temporarily strung for convenience of transport + Ch. 99 | not stated | — |
| 7104.10.00.00 | Piezo-electric quartz + Ch. 99 | 3% | kg |
| 7104.21.00.00 | Diamonds + Ch. 99 | 3% | g |
| 7104.29.00.00 | Other + Ch. 99 | 3% | g |
| 7104.91 | Diamonds + Ch. 99 | not stated | — |
| 7104.91.10.00 | Cut but not set, and suitable for use in the manufacture of jewelry + Ch. 99 | Free | No. |
| 7104.91.50.00 | Other + Ch. 99 | 6.4% | g |
| 7104.99 | Other + Ch. 99 | not stated | — |
| 7104.99.10.00 | Cut but not set, and suitable for use in the manufacture of jewelry + Ch. 99 | Free | No. |
| 7104.99.50.00 | Other + Ch. 99 | 6.4% | g |
Additional duties may apply
10 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.