Code 7104 91 · Heading 7104

Worked synthetic or reconstructed diamonds, not mounted or set, including unsorted diamonds temporarily strung for shipping

This covers synthetic or reconstructed diamonds that have been worked, whether sorted or not, when they are not strung, mounted or set. It also covers unsorted diamonds temporarily strung for shipping, but not diamonds that are only sawn or roughly shaped.

For example

A worked synthetic diamond, sorted, loose and not mounted or set
An unsorted reconstructed diamond temporarily strung for shipping

Save Browse the codes below

See the official tariff text

Official tariff text

Diamonds, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded diamonds, temporarily strung for convenience of transport (excl. diamonds simply sawn or roughly shaped)

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XIV Natural or cultured pearls, precious or semi-precio…
Does the product involve natural or cultured pearls, precious or semi-precious stones, precious metals, precious-metal clad metal, goods made from these materials, costume jewellery or coins?
✓
Step 2 · Chapter 71 Natural or cultured pearls, precious or semi-precio… 1 of 1 chapter in section XIV
Is the item a natural or cultured pearl; a diamond; a natural, synthetic or reconstructed precious or semi-precious stone; dust or powder from such stones; silver, gold, platinum or another listed precious metal; precious-metal doubling; waste or scrap; jewellery or another article made from these materials; imitation jewellery; or a coin?
✓
Step 3 · Heading 7104 Precious and semi-precious stones, synthetic or rec… 4 of 18 headings under chapter 71
What type and condition are the stones: piezo-electric synthetic or reconstructed quartz; synthetic or reconstructed diamonds that are only unworked, sawn or roughly shaped; other synthetic or reconstructed stones that are only unworked, sawn or roughly shaped; worked synthetic or reconstructed diamonds; or other worked synthetic or reconstructed precious and semi-precious stones?
✓
Step 4 · Subheading 7104 91 Diamonds, synthetic or reconstructed, worked, wheth… 4 of 5 subheadings under heading 7104
Is it piezo-electric synthetic or reconstructed quartz, an unworked diamond or one only sawn or roughly shaped, another unworked or only sawn or roughly shaped synthetic or reconstructed stone, or a worked synthetic or reconstructed diamond or other stone that is not strung, mounted or set?

Full 8-digit codes

Pick the description that best matches your product.

1 code below this one

7104 91 00 Diamonds, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded diamonds, temporarily strung for convenience of transport (excl. diamonds simply sawn or roughly shaped) Duty free Save

Compare the sibling codes

7104 10 Quartz, piezoelectric, of synthetic or reconstructed stone whether or not worked or graded, but not mounted or set 0.0%
7104 21 Diamonds, synthetic or reconstructed, unworked or simply sawn or roughly shaped 0.0%
7104 29 Precious and semi-precious stones, synthetic or reconstructed, unworked or simply sawn or roughly shaped, whether or not graded (excl. piezoelectric quartz and diamonds) 0.0%
7104 91 Diamonds, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded diamonds, temporarily strung for convenience of transport (excl. diamonds simply sawn or roughly shaped) you are here 0.0%
7104 99 Precious and semi-precious stones, synthetic or reconstructed, worked, whether or not graded but not strung, mounted or set, ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport (excl. stones simply sawn or roughly shaped, piezoelectric quartz and diamonds) 0.0%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

71.04.9100

Diamonds

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

7104 91 00 00

Diamonds

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 3, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 5 codes at this level

Previous code 7104 29

Precious and semi-precious stones, synthetic or reconstructed, unwork…

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Diamonds, synthetic or reconstructed, worked, whether or not graded b…

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Precious and semi-precious stones, synthetic or reconstructed, worked…

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.