Import/export HS code 710491: Diamonds (synthetic or lab-made, ungraded)
Ungraded lab-made diamonds, temporarily strung for transport
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| India | 40,210,013 |
| United States | 10,323,848 |
| China, Hong Kong Special Administrative Region | 3,214,062 |
| Belgium | 2,179,606 |
| United Arab Emirates | 1,435,291 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| India | 20,975,119 | 19,234,894 | -1,740,225 |
| United States | 7,074,699 | 3,249,149 | -3,825,550 |
| China, Hong Kong Special Administrative Region | 1,554,685 | 1,659,377 | +104,692 |
| Belgium | 1,162,659 | 1,016,947 | -145,712 |
| United Arab Emirates | 401,225 | 1,034,066 | +632,841 |
| Thailand | 292,402 | 338,921 | +46,519 |
| Netherlands | 203,477 | 341,499 | +138,022 |
| Japan | 405,041 | 118,210 | -286,831 |
| China | 170,592 | 270,068 | +99,476 |
| Germany | 166,225 | 193,201 | +26,976 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| India | 47,512,469 |
| United States | 6,720,169 |
| Israel | 1,225,042 |
| China, Hong Kong Special Administrative Region | 910,903 |
| Belgium | 834,731 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| India | 24,866,322 | 22,646,147 | -2,220,175 |
| United States | 4,196,163 | 2,524,006 | -1,672,157 |
| Israel | 1,114,966 | 110,076 | -1,004,890 |
| China, Hong Kong Special Administrative Region | 426,196 | 484,707 | +58,511 |
| Belgium | 550,320 | 284,411 | -265,909 |
| China | 209,418 | 415,423 | +206,005 |
| Thailand | 272,946 | 253,250 | -19,696 |
| Japan | 405,041 | 118,210 | -286,831 |
| Netherlands | 203,713 | 302,199 | +98,486 |
| United Kingdom | 186,598 | 105,708 | -80,890 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Inner London - West | 19 |
| West Midlands | 10 |
| Outer London - West and North West | 9 |
| Berkshire, Buckinghamshire and Oxfordshire | 4 |
| Surrey, East and West Sussex | 3 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| Inner London - West | 14 | 11 | -3 |
| West Midlands | 10 | 4 | -6 |
| Outer London - West and North West | 7 | 8 | +1 |
| Berkshire, Buckinghamshire and Oxfordshire | 4 | 2 | -2 |
| Surrey, East and West Sussex | 1 | 2 | +1 |
| West Central Scotland | 2 | 2 | +0 |
| Bedfordshire and Hertfordshire | 1 | 2 | +1 |
| Cambridgeshire and Peterborough | 2 | 1 | -1 |
| Gloucestershire and Wiltshire | 2 | 1 | -1 |
| Greater Manchester | 0 | 2 | +2 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Air transport | 60,190,085 |
| Sea transport (not vehicle on ferry) | 122,822 |
| Roll on Roll off (RORO) | 7,903 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Air transport | 32,638,867 | 27,551,218 | -5,087,649 |
| Sea transport (not vehicle on ferry) | 22,031 | 100,791 | +78,760 |
| Roll on Roll off (RORO) | 0 | 7,903 | +7,903 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 45,209,857 |
| London Stansted Airport | 13,147,698 |
| East Midlands Airport | 1,378,936 |
| Glasgow Airport | 181,741 |
| Thamesport | 119,991 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| London Heathrow Airport | 24,425,315 | 20,784,542 | -3,640,773 |
| London Stansted Airport | 7,657,364 | 5,490,334 | -2,167,030 |
| East Midlands Airport | 372,184 | 1,006,752 | +634,568 |
| Glasgow Airport | 65,851 | 115,890 | +50,039 |
| Thamesport | 19,200 | 100,791 | +81,591 |
| Edinburgh Airport | 50,947 | 64,849 | +13,902 |
| Birmingham Airport | 45,132 | 64,787 | +19,655 |
| Manchester Airport | 0 | 24,064 | +24,064 |
| Luton Airport | 20,847 | 0 | -20,847 |
| Middlesbrough | 0 | 7,903 | +7,903 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
| Retail trade, except of motor vehicles and motorcycles | 22 |
| Wholesale trade, except of motor vehicles and motorcycles | 22 |
| Other manufacturing | 16 |
| Activities of head offices; management consultancy activities | 3 |
| Scientific research and development | 3 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-01 | 7 |
| 2025-11 | 15 |
| 2025-10 | 9 |
| 2025-09 | 8 |
| 2025-08 | 9 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| EID LIMITED | 45 |
| NIVODA LIMITED | 44 |
| ELEMENT SIX TECHNOLOGIES LIMITED | 40 |
| UNIVERSAL JEWELLERY LIMITED | 30 |
| ELEMENT SIX (UK) LIMITED. | 27 |
| A.E.WARD & SON LIMITED | 20 |
| NOVITA DIAMONDS LIMITED | 15 |
| INDUSTRIAL ABRASIVES LIMITED | 11 |
| HOCKLEY MINT LIMITED | 10 |
| WORLD SHINER (UK) LIMITED | 9 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 34 |
| 0-1m | 15 |
| 54m+ | 14 |
| 15m-54m | 4 |
| Other | 4 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| United States | 4,536,852 |
| India | 4,299,674 |
| Germany | 2,142,998 |
| Netherlands | 1,183,100 |
| Belgium | 807,578 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| United States | 3,181,878 | 1,354,974 | -1,826,904 |
| India | 2,565,771 | 1,733,903 | -831,868 |
| Germany | 984,106 | 1,158,892 | +174,786 |
| Netherlands | 834,601 | 348,499 | -486,102 |
| Belgium | 560,588 | 246,990 | -313,598 |
| Thailand | 353,053 | 433,022 | +79,969 |
| China, Hong Kong Special Administrative Region | 133,842 | 388,883 | +255,041 |
| France | 303,173 | 213,444 | -89,729 |
| China | 84,920 | 92,464 | +7,544 |
| Canada | 72,548 | 90,596 | +18,048 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Air transport | 15,222,432 |
| Roll on Roll off (RORO) | 1,132,156 |
| Road transport | 1,683 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Air transport | 8,561,391 | 6,661,041 | -1,900,350 |
| Roll on Roll off (RORO) | 1,130,956 | 1,200 | -1,129,756 |
| Road transport | 1,683 | 0 | -1,683 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 8,762,654 |
| London Stansted Airport | 4,978,902 |
| ZLC | 1,143,913 |
| London | 1,130,956 |
| East Midlands Airport | 321,988 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| London Heathrow Airport | 4,934,936 | 3,827,718 | -1,107,218 |
| London Stansted Airport | 2,352,661 | 2,626,241 | +273,580 |
| ZLC | 1,100,938 | 42,975 | -1,057,963 |
| London | 1,130,956 | 0 | -1,130,956 |
| East Midlands Airport | 157,881 | 164,107 | +6,226 |
| Manchester Airport | 16,658 | 0 | -16,658 |
| Dover | 0 | 1,200 | +1,200 |
Quick facts
HS code: 710491
Coverage: United Kingdom, most metrics for the last 24 months
Description: Ungraded lab-made diamonds, temporarily strung for transport