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 | 39,960,949 |
| United States | 7,784,275 |
| China, Hong Kong Special Administrative Region | 3,654,397 |
| Belgium | 2,907,902 |
| United Arab Emirates | 1,690,056 |
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 | 20,407,588 | 19,553,361 | -854,227 |
| United States | 5,061,804 | 2,722,471 | -2,339,333 |
| China, Hong Kong Special Administrative Region | 1,626,443 | 2,027,954 | +401,511 |
| Belgium | 981,211 | 1,926,691 | +945,480 |
| United Arab Emirates | 685,856 | 1,004,200 | +318,344 |
| Netherlands | 229,139 | 381,732 | +152,593 |
| China | 245,119 | 236,093 | -9,026 |
| Thailand | 66,930 | 345,674 | +278,744 |
| Japan | 340,751 | 34,722 | -306,029 |
| Germany | 158,467 | 155,042 | -3,425 |
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 | 48,447,869 |
| United States | 5,422,878 |
| China, Hong Kong Special Administrative Region | 1,115,106 |
| China | 791,848 |
| Belgium | 668,968 |
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 | 24,268,803 | 24,179,066 | -89,737 |
| United States | 3,394,781 | 2,028,097 | -1,366,684 |
| China, Hong Kong Special Administrative Region | 593,144 | 521,962 | -71,182 |
| China | 311,523 | 480,325 | +168,802 |
| Belgium | 338,310 | 330,658 | -7,652 |
| Netherlands | 227,714 | 252,950 | +25,236 |
| Japan | 340,751 | 27,155 | -313,596 |
| United Kingdom | 176,821 | 129,142 | -47,679 |
| Thailand | 41,820 | 256,885 | +215,065 |
| Germany | 137,774 | 60,910 | -76,864 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| Inner London - West | 20 |
| Outer London - West and North West | 9 |
| 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 | 13 | 13 | +0 |
| Outer London - West and North West | 8 | 6 | -2 |
| West Midlands | 5 | 4 | -1 |
| Berkshire, Buckinghamshire and Oxfordshire | 4 | 3 | -1 |
| Surrey, East and West Sussex | 3 | 1 | -2 |
| Bedfordshire and Hertfordshire | 2 | 1 | -1 |
| Gloucestershire and Wiltshire | 2 | 0 | -2 |
| Greater Manchester | 1 | 2 | +1 |
| Herefordshire, Worcestershire and Warwickshire | 1 | 1 | +0 |
| Outer London - South | 2 | 2 | +0 |
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 | 58,498,558 |
| 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 | 29,998,955 | 28,499,603 | -1,499,352 |
| Sea transport (not vehicle on ferry) | 66,907 | 67,935 | +1,028 |
| 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 | 44,342,708 |
| London Stansted Airport | 11,801,852 |
| East Midlands Airport | 1,877,147 |
| Glasgow Airport | 221,693 |
| 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 | 22,321,557 | 22,021,151 | -300,406 |
| London Stansted Airport | 6,929,379 | 4,872,473 | -2,056,906 |
| East Midlands Airport | 552,403 | 1,324,744 | +772,341 |
| Glasgow Airport | 96,469 | 125,224 | +28,755 |
| Thamesport | 64,076 | 66,609 | +2,533 |
| Birmingham Airport | 44,315 | 72,414 | +28,099 |
| Edinburgh Airport | 53,605 | 55,928 | +2,323 |
| Manchester Airport | 0 | 27,669 | +27,669 |
| Middlesbrough | 0 | 7,903 | +7,903 |
| London Gateway Port | 2,831 | 1,326 | -1,505 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
|
Wholesale trade, except of motor vehicles and motorcycles
|
24 |
|
Retail trade, except of motor vehicles and motorcycles
|
21 |
|
Other manufacturing
|
15 |
|
Scientific research and development
|
3 |
|
Manufacture of computer, electronic and optical products
|
2 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-05 | 7 |
| 2026-04 | 10 |
| 2026-03 | 10 |
| 2026-02 | 10 |
| 2026-01 | 7 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| EID LIMITED | 50 |
| NIVODA LIMITED | 49 |
| ELEMENT SIX TECHNOLOGIES LIMITED | 45 |
| UNIVERSAL JEWELLERY LIMITED | 31 |
| ELEMENT SIX (UK) LIMITED. | 29 |
| A.E.WARD & SON LIMITED | 20 |
| NOVITA DIAMONDS LIMITED | 18 |
| INDUSTRIAL ABRASIVES LIMITED | 13 |
| 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 | 33 |
| 54m+ | 13 |
| 0-1m | 12 |
| 15m-54m | 6 |
| 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 | 3,472,205 |
| India | 3,408,674 |
| Germany | 2,250,980 |
| Belgium | 785,353 |
| Netherlands | 697,287 |
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 | 2,556,748 | 915,457 | -1,641,291 |
| India | 1,935,511 | 1,473,163 | -462,348 |
| Germany | 1,223,900 | 1,027,080 | -196,820 |
| Belgium | 439,966 | 345,387 | -94,579 |
| Netherlands | 331,411 | 365,876 | +34,465 |
| China, Hong Kong Special Administrative Region | 238,882 | 454,951 | +216,069 |
| France | 249,238 | 325,596 | +76,358 |
| Thailand | 131,013 | 331,609 | +200,596 |
| Ireland | 56,922 | 142,047 | +85,125 |
| Australia | 81,230 | 90,592 | +9,362 |
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 | 13,915,846 |
| Roll on Roll off (RORO) | 2,199 |
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 | 7,882,102 | 6,033,744 | -1,848,358 |
| Roll on Roll off (RORO) | 1,200 | 999 | -201 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| London Heathrow Airport | 7,831,701 |
| London Stansted Airport | 5,571,305 |
| East Midlands Airport | 355,366 |
| ZLC | 140,816 |
| Manchester Airport | 16,658 |
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 | 4,165,374 | 3,666,327 | -499,047 |
| London Stansted Airport | 3,464,754 | 2,106,551 | -1,358,203 |
| East Midlands Airport | 146,392 | 208,974 | +62,582 |
| ZLC | 88,924 | 51,892 | -37,032 |
| Manchester Airport | 16,658 | 0 | -16,658 |
| Dover | 1,200 | 999 | -201 |
Quick facts
HS code: 710491
Coverage: United Kingdom, most metrics for the last 24 months
Description: Ungraded lab-made diamonds, temporarily strung for transport