Subheading · Chapter 71 · Heading 7104
7104.91: Synthetic or reconstructed precious or semi-precious: other, diamonds
Synthetic diamonds (other)
Official description Diamonds
7104.91 is the HS subheading for synthetic diamonds (other), under heading 7104 in chapter 71.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 7104 91 00 00 Diamonds Freeg
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 598
- Documents
- 9014
Import requirements 1
- Import controlRestriction on entry into free circulation
- Applies to goods from
- all countries
- Legal act
- S.I. 2019/855, 2023 No. 440, S.I. 2022/395
- Documents
- 9011
- 9L49
- 9Y49
- 9022
- 9038
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code " EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
| £26.5m | 87.1% | +9.5% | |
| £1.7m | 5.6% | -42.4% | |
| £472k | 1.6% | +2.5% | |
| £467k | 1.5% | +39.9% | |
| £329k | 1.1% | -6.2% | |
| £268k | 0.9% | +556.4% | |
| £177k | 0.6% | -41.3% | |
| £153k | 0.5% | -11.6% |
Same subheading in other tariffs
World trade in 2024
Trade value (US$) no reported trade < US$140kUS$140k+US$4m+US$33m+> US$75m
Exports: 71
- India: US$1bn
- United States: US$193m
- China: US$75m
- Thailand: US$45m
- Belgium: US$38m
- Hong Kong SAR China: US$38m
- South Africa: US$33m
- Israel: US$28m
- United Arab Emirates: US$25m
- Netherlands: US$19m
- Canada: US$11m
- United Kingdom: US$10m
- Singapore: US$7m
- Armenia: US$6m
- Germany: US$5m
- Japan: US$4m
- Switzerland: US$4m
- Russia: US$3m
- Italy: US$2m
- Australia: US$2m
- Ireland: US$2m
- Indonesia: US$2m
- South Korea: US$1m
- Vietnam: US$1m
- Malaysia: US$1m
- Spain: US$1m
- Austria: US$1m
- Taiwan: US$954k
- France: US$535k
- Türkiye: US$444k
- Cambodia: US$280k
- Ukraine: US$246k
- Laos: US$155k
- Botswana: US$140k
- Denmark: US$101k
- Afghanistan: US$56k
- New Zealand: US$55k
- Norway: US$54k
- Mexico: US$49k
- Mauritius: US$43k
- Estonia: US$41k
- Czechia: US$40k
- Sweden: US$38k
- St Kitts & Nevis: US$28k
- Croatia: US$24k
- Eswatini: US$23k
- Poland: US$13k
- Portugal: US$12k
- Mozambique: US$10k
- Brazil: US$9k
- Cameroon: US$8k
- Sri Lanka: US$7k
- Iceland: US$7k
- Colombia: US$6k
- Philippines: US$4k
- French Polynesia: US$4k
- Curaçao: US$4k
- Greece: US$1k
- Dominican Republic: US$900
- Slovakia: US$800
Trade value (US$) no reported trade < US$219kUS$219k+US$3m+US$31m+> US$86m
Imports: 107
- United States: US$939m
- Hong Kong SAR China: US$323m
- United Arab Emirates: US$235m
- India: US$86m
- China: US$81m
- Thailand: US$55m
- Israel: US$44m
- United Kingdom: US$40m
- South Korea: US$32m
- Belgium: US$31m
- Canada: US$31m
- Australia: US$29m
- Singapore: US$16m
- Netherlands: US$11m
- Germany: US$11m
- Armenia: US$10m
- Japan: US$8m
- Mexico: US$6m
- Russia: US$6m
- Switzerland: US$5m
- Spain: US$5m
- South Africa: US$5m
- Ireland: US$4m
- Vietnam: US$4m
- Italy: US$4m
- France: US$3m
- Austria: US$3m
- Indonesia: US$2m
- Taiwan: US$2m
- Brazil: US$2m
- Poland: US$2m
- New Zealand: US$2m
- Türkiye: US$1m
- Greece: US$1m
- Czechia: US$821k
- Malaysia: US$808k
- Lithuania: US$790k
- Denmark: US$686k
- Qatar: US$617k
- Sweden: US$563k
- Cyprus: US$556k
- Lebanon: US$518k
- Finland: US$485k
- Laos: US$459k
- Hungary: US$447k
- Bulgaria: US$439k
- Bahrain: US$380k
- Croatia: US$325k
- Norway: US$275k
- Cambodia: US$261k
- Slovakia: US$260k
- Morocco: US$244k
- Mauritius: US$219k
- Estonia: US$214k
- Uzbekistan: US$159k
- Saudi Arabia: US$146k
- Luxembourg: US$116k
- Portugal: US$102k
- Kuwait: US$99k
- Serbia: US$98k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | US$1bn | 72.5% | |
| 2 | US$193m | 9.4% | |
| 3 | US$75m | 3.7% | |
| 4 | US$45m | 2.2% | |
| 5 | US$38m | 1.9% | |
| 6 | US$38m | 1.8% | |
| 7 | US$33m | 1.6% | |
| 8 | US$28m | 1.4% | |
| 9 | US$25m | 1.2% | |
| 10 | US$19m | 0.9% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | US$939m | 45.8% | |
| 2 | US$323m | 15.8% | |
| 3 | US$235m | 11.5% | |
| 4 | US$86m | 4.2% | |
| 5 | US$81m | 3.9% | |
| 6 | US$55m | 2.7% | |
| 7 | US$44m | 2.1% | |
| 8 | US$40m | 2% | |
| 9 | US$32m | 1.6% | |
| 10 | US$31m | 1.5% |
Import duty on this product around the world 93
The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.
- 5%median duty
- 26number of duty-free countries (MFN)
- 50%highest: Belize, Cameroon, Central African Republic
93
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
| 2% | 2023 | ||
| 23% | 15% – 30% | 2023 | |
| 14% | 2023 | ||
| 0% | 2023 | ||
| 0% | 2022 | ||
| 5% | 2023 | ||
| 50% | 2023 | ||
| 5% | 2023 | ||
| 6.5% | 2023 | ||
| 10% | 2022 | ||
| 10% | 2022 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 25% | 2023 | ||
| 30% | 2023 | ||
| 0% | 2023 | ||
| 30% | 2023 | ||
| 30% | 2023 | ||
| 4% | 2023 | ||
| 30% | 2023 | ||
| 9% | 2023 | ||
| 20% | 2023 | ||
| 10% | 2022 | ||
| 30% | 2023 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 8% | 2023 | ||
| 30% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 10% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 10% | 2023 | ||
| 5% | 2023 | ||
| 20% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 14% | 2023 | ||
| 25% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 25% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 2.5% | 2023 | ||
| 7.5% | 2023 | ||
| 0% | 2023 | ||
| 1% | 2023 | ||
| 0% | 2023 | ||
| 10% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 3% | 2023 | ||
| 5% | 2023 | ||
| 25% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 25% | 2023 | ||
| 25% | 2023 | ||
| 0.1%* | 2023 | ||
| 25% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 25% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 3.2% | 0% – 6.4% | 2023 | |
| 0% | 2023 | ||
| 0% | 2023 | ||
| 25% | 2023 | ||
| 0.1% | 2023 |
Tariff data years 2022–2023; rates may have changed since. * ad valorem equivalent of specific duties (UNCTAD estimate) · UNCTAD TRAINS, accessed via WITS (World Bank)
Classifications and correspondences
Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.
- SITC Rev. 4
- 66749 Synthetic precious/semiprecious stones, n.e.s.
- End use (BEC Rev. 5)
- Intermediate goods · BEC 411210
- CPC 2.1 product
- 38220 Cultured pearls, precious or semi-precious stones, and synthetic or reconstructed precious or semi-precious stones (except industrial diamonds and piezo-electric quartz), worked (except simply sawn, cleaved, bruted or roughly shaped), but not strung, mounted or set
- ISIC Rev. 4 activity
- 3211 Manufacture of jewellery and related articles
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 7104.90 | changed |
| 2012 | 7104.90 | changed |
| 2007 | 7104.90 | changed |
| 2002 | 7104.90 | changed |
| 1996 | 7104.90 | changed |
| 1992 | 7104.90 | changed |
Correspondence tables of the United Nations Statistics Division (UNSD)
Code history
Since 2022; before, these goods were classified under 7104.90.
The UK Global Tariff has one tariff line for subheading 7104.91; the duty is duty-free.
Subheading 7104.91 is a single line in the EU Combined Nomenclature, where the duty is duty-free.
174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of synthetic diamonds (other) into the UK came to £30.4m between September 2025 and August 2026 (up 3% on the year before); India supplied 87%, followed by United States.
In 2024, countries exported synthetic diamonds (other) worth US$2bn (−14.4% year on year).
The largest exporter was India (US$1bn), followed by the United States.
Questions and answers
What is the HS code for synthetic or reconstructed precious or semi-precious: other, diamonds?
Synthetic or reconstructed precious or semi-precious: other, diamonds fall under HS subheading 7104.91, part of heading 7104, in section XIV of the Harmonized System.
What is the import duty on synthetic or reconstructed precious or… in the UK?
Under the UK Global Tariff, imports under 7104.91 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on synthetic or reconstructed precious or… in the EU?
Under the EU Combined Nomenclature, imports under 7104.91 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most synthetic or reconstructed precious or…?
India, with US$1bn in 2024 (72.5% of world exports).
Which countries can export synthetic diamonds (other) to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free applies. Pick a country above to see its rate.
Is there anti-dumping duty on synthetic diamonds (other)?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import synthetic diamonds (other) from?
In the 12 months to August 2026, the largest suppliers were India (87%), United States (6%) and Hong Kong SAR China (2%), out of total imports of £30.4m.