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 | 42,106,299 |
| United States | 9,040,608 |
| China, Hong Kong Special Administrative Region | 3,633,100 |
| Belgium | 3,056,368 |
| United Arab Emirates | 1,699,765 |
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 | 20,526,359 | 21,579,940 | +1,053,581 |
| United States | 6,048,771 | 2,991,837 | -3,056,934 |
| China, Hong Kong Special Administrative Region | 1,418,680 | 2,214,420 | +795,740 |
| Belgium | 1,060,357 | 1,996,011 | +935,654 |
| United Arab Emirates | 684,338 | 1,015,427 | +331,089 |
| Netherlands | 212,293 | 407,771 | +195,478 |
| China | 236,395 | 267,444 | +31,049 |
| Thailand | 80,637 | 347,017 | +266,380 |
| Japan | 352,212 | 44,108 | -308,104 |
| Germany | 184,980 | 169,714 | -15,266 |
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 | 50,962,510 |
| United States | 6,176,875 |
| China, Hong Kong Special Administrative Region | 1,133,937 |
| Belgium | 819,369 |
| China | 812,292 |
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 | 24,790,985 | 26,171,525 | +1,380,540 |
| United States | 3,869,106 | 2,307,769 | -1,561,337 |
| China, Hong Kong Special Administrative Region | 424,929 | 709,008 | +284,079 |
| Belgium | 445,329 | 374,040 | -71,289 |
| China | 305,332 | 506,960 | +201,628 |
| Netherlands | 210,868 | 293,339 | +82,471 |
| Japan | 352,212 | 36,541 | -315,671 |
| United Kingdom | 199,470 | 146,436 | -53,034 |
| Thailand | 54,249 | 258,228 | +203,979 |
| Germany | 165,964 | 77,428 | -88,536 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Inner London - West | 21 |
| Outer London - West and North West | 10 |
| West Midlands | 7 |
| 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 | 16 | 11 | -5 |
| Outer London - West and North West | 7 | 9 | +2 |
| West Midlands | 5 | 4 | -1 |
| Berkshire, Buckinghamshire and Oxfordshire | 4 | 3 | -1 |
| Surrey, East and West Sussex | 2 | 1 | -1 |
| Bedfordshire and Hertfordshire | 1 | 2 | +1 |
| Gloucestershire and Wiltshire | 2 | 1 | -1 |
| Greater Manchester | 1 | 2 | +1 |
| Herefordshire, Worcestershire and Warwickshire | 0 | 2 | +2 |
| Inner London - East | 2 | 0 | -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 | 62,152,334 |
| Sea transport (not vehicle on ferry) | 134,842 |
| 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 | 31,008,629 | 31,143,705 | +135,076 |
| Sea transport (not vehicle on ferry) | 55,067 | 79,775 | +24,708 |
| 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 | 46,910,797 |
| London Stansted Airport | 12,866,017 |
| East Midlands Airport | 1,889,999 |
| Glasgow Airport | 221,157 |
| Thamesport | 130,685 |
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 | 22,801,612 | 24,109,185 | +1,307,573 |
| London Stansted Airport | 7,462,453 | 5,403,564 | -2,058,889 |
| East Midlands Airport | 567,831 | 1,322,168 | +754,337 |
| Glasgow Airport | 64,227 | 156,930 | +92,703 |
| Thamesport | 52,236 | 78,449 | +26,213 |
| Edinburgh Airport | 53,605 | 55,928 | +2,323 |
| Birmingham Airport | 36,827 | 70,292 | +33,465 |
| Manchester Airport | 0 | 25,638 | +25,638 |
| 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 | 24 |
| Wholesale trade, except of motor vehicles and motorcycles | 24 |
| Other manufacturing | 14 |
| Scientific research and development | 3 |
| Activities of head offices; management consultancy activities | 2 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-04 | 10 |
| 2026-03 | 10 |
| 2026-02 | 10 |
| 2026-01 | 7 |
| 2025-12 | 13 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| EID LIMITED | 49 |
| NIVODA LIMITED | 48 |
| ELEMENT SIX TECHNOLOGIES LIMITED | 44 |
| UNIVERSAL JEWELLERY LIMITED | 31 |
| ELEMENT SIX (UK) LIMITED. | 29 |
| A.E.WARD & SON LIMITED | 20 |
| NOVITA DIAMONDS LIMITED | 18 |
| INDUSTRIAL ABRASIVES LIMITED | 12 |
| LIGHTBOX JEWELRY LTD. | 10 |
| HOCKLEY MINT LIMITED | 10 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 1m-15m | 37 |
| 0-1m | 13 |
| 54m+ | 13 |
| 15m-54m | 5 |
| 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 | £ |
|---|---|
| India | 3,852,114 |
| United States | 3,756,488 |
| Germany | 2,364,335 |
| Netherlands | 931,638 |
| Belgium | 906,114 |
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 £ |
|---|---|---|---|
| India | 2,187,669 | 1,664,445 | -523,224 |
| United States | 2,719,357 | 1,037,131 | -1,682,226 |
| Germany | 1,107,469 | 1,256,866 | +149,397 |
| Netherlands | 538,960 | 392,678 | -146,282 |
| Belgium | 542,670 | 363,444 | -179,226 |
| China, Hong Kong Special Administrative Region | 218,686 | 451,412 | +232,726 |
| France | 298,781 | 265,974 | -32,807 |
| Thailand | 197,483 | 331,609 | +134,126 |
| Ireland | 56,947 | 131,079 | +74,132 |
| Australia | 72,521 | 105,626 | +33,105 |
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 | 14,940,740 |
| Roll on Roll off (RORO) | 294,842 |
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 | 8,350,178 | 6,590,562 | -1,759,616 |
| Roll on Roll off (RORO) | 292,643 | 2,199 | -290,444 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 8,678,182 |
| London Stansted Airport | 5,717,524 |
| East Midlands Airport | 383,305 |
| London | 292,643 |
| ZLC | 145,071 |
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 | 4,673,348 | 4,004,834 | -668,514 |
| London Stansted Airport | 3,391,058 | 2,326,466 | -1,064,592 |
| East Midlands Airport | 168,506 | 214,799 | +46,293 |
| London | 292,643 | 0 | -292,643 |
| ZLC | 100,608 | 44,463 | -56,145 |
| Manchester Airport | 16,658 | 0 | -16,658 |
| Dover | 0 | 2,199 | +2,199 |
Quick facts
HS code: 710491
Coverage: United Kingdom, most metrics for the last 24 months
Description: Ungraded lab-made diamonds, temporarily strung for transport