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

7 declarable lines

Heading 7104 covers synthetic or reconstructed precious and semiprecious stones. It includes piezo-electric quartz, rough or simply sawn stones, and cut stones that are not strung, mounted or set. The lines split by stone type and working stage, then by whether cut stones are suitable for jewelry manufacture.

Products in this heading

Lab-grown diamond rough
Lab-grown diamond cut but not set for jewelry use
Synthetic ruby rough or simply sawn
Synthetic sapphire cut but not set for jewelry use
Piezo-electric quartz crystals
Reconstructed emerald rough
Synthetic semiprecious stone blanks for cutting

How to choose the right subheading

Confirm the stone is synthetic or reconstructed; natural stones go to other headings.
Decide if the item is piezo-electric quartz.
Decide if the stone is unworked or simply sawn or roughly shaped, or further worked.
For worked stones, decide whether the stone is diamond or another stone.
For cut stones, decide whether they are cut but not set and suitable for jewelry manufacture, or other.

Often confused with

Natural diamonds, rough or cut
Heading 7104 covers synthetic or reconstructed stones, not natural diamonds.
Heading 7102
Natural rubies, sapphires and other natural gemstones
Natural precious and semiprecious stones other than diamonds are classified in 7103.
Heading 7103
Diamond dust or powder
Dust and powder of precious or semiprecious stones is in 7105.
Heading 7105
Finished rings or pendants with set stones
Mounted or set jewelry is classified as jewelry, not as loose stones.
Heading 7113
Imitation jewelry made with glass stones
Imitation jewelry is classified in 7117.
Heading 7117

Frequently asked questions

What is the HTS code for lab-grown diamond cut but not set for jewelry?

Use 7104.91.10.00 for diamonds cut but not set and suitable for use in jewelry manufacture; the general (MFN) rate is Free.

What is the duty on synthetic ruby cut but not set for jewelry?

Synthetic ruby cut but not set and suitable for jewelry manufacture falls under 7104.99.10.00, with a general (MFN) rate of Free.

How do I classify piezo-electric quartz?

Piezo-electric quartz is classified in 7104.10.00.00 and carries a general (MFN) rate of 3%.

Guide written from the official schedule text. Rates quoted are general (MFN) rates; check the line page for trade agreement rates and the classification of your exact product.