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 | 40,410,922 |
| United States | 10,519,075 |
| China, Hong Kong Special Administrative Region | 3,110,813 |
| Belgium | 2,397,900 |
| United Arab Emirates | 1,199,943 |
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 | 20,915,022 | 19,495,900 | -1,419,122 |
| United States | 6,887,444 | 3,631,631 | -3,255,813 |
| China, Hong Kong Special Administrative Region | 1,467,804 | 1,643,009 | +175,205 |
| Belgium | 1,336,338 | 1,061,562 | -274,776 |
| United Arab Emirates | 149,052 | 1,050,891 | +901,839 |
| Thailand | 285,152 | 346,171 | +61,019 |
| Japan | 335,797 | 180,981 | -154,816 |
| Netherlands | 204,263 | 304,810 | +100,547 |
| China | 140,060 | 272,054 | +131,994 |
| Germany | 130,707 | 222,158 | +91,451 |
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 | 47,366,771 |
| United States | 6,853,656 |
| Israel | 1,391,410 |
| Belgium | 940,464 |
| China, Hong Kong Special Administrative Region | 885,275 |
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 | 24,264,582 | 23,102,189 | -1,162,393 |
| United States | 4,115,702 | 2,737,954 | -1,377,748 |
| Israel | 1,283,977 | 107,433 | -1,176,544 |
| Belgium | 675,143 | 265,321 | -409,822 |
| China, Hong Kong Special Administrative Region | 439,263 | 446,012 | +6,749 |
| China | 180,892 | 417,409 | +236,517 |
| Thailand | 264,285 | 261,911 | -2,374 |
| Japan | 335,797 | 180,981 | -154,816 |
| Netherlands | 204,499 | 304,810 | +100,311 |
| United Kingdom | 152,384 | 149,653 | -2,731 |
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 |
| 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 | 15 | 11 | -4 |
| West Midlands | 10 | 4 | -6 |
| Outer London - West and North West | 6 | 9 | +3 |
| 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 | 60,428,133 |
| Sea transport (not vehicle on ferry) | 112,301 |
| 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 | 32,115,518 | 28,312,615 | -3,802,903 |
| Sea transport (not vehicle on ferry) | 9,707 | 102,594 | +92,887 |
| 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 | 45,367,272 |
| London Stansted Airport | 13,459,019 |
| East Midlands Airport | 1,177,680 |
| Glasgow Airport | 175,773 |
| Birmingham Airport | 109,718 |
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 | 24,086,452 | 21,280,820 | -2,805,632 |
| London Stansted Airport | 7,483,749 | 5,975,270 | -1,508,479 |
| East Midlands Airport | 355,464 | 822,216 | +466,752 |
| Glasgow Airport | 62,865 | 112,908 | +50,043 |
| Birmingham Airport | 53,967 | 55,751 | +1,784 |
| Thamesport | 6,876 | 102,594 | +95,718 |
| Edinburgh Airport | 50,947 | 41,586 | -9,361 |
| 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 | 21 |
| Other manufacturing | 17 |
| Activities of head offices; management consultancy activities | 3 |
| Manufacture of computer, electronic and optical products | 3 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2025-11 | 15 |
| 2025-10 | 9 |
| 2025-09 | 8 |
| 2025-08 | 9 |
| 2025-07 | 11 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| EID LIMITED | 44 |
| NIVODA LIMITED | 43 |
| ELEMENT SIX TECHNOLOGIES LIMITED | 39 |
| UNIVERSAL JEWELLERY LIMITED | 29 |
| ELEMENT SIX (UK) LIMITED. | 26 |
| 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 | 33 |
| 0-1m | 17 |
| 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 | 4,952,076 |
| India | 4,313,668 |
| Germany | 2,156,724 |
| Netherlands | 1,233,453 |
| Belgium | 818,832 |
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 | 3,477,016 | 1,475,060 | -2,001,956 |
| India | 2,714,792 | 1,598,876 | -1,115,916 |
| Germany | 934,682 | 1,222,042 | +287,360 |
| Netherlands | 914,196 | 319,257 | -594,939 |
| Belgium | 487,538 | 331,294 | -156,244 |
| Thailand | 353,053 | 433,022 | +79,969 |
| France | 364,795 | 212,302 | -152,493 |
| China, Hong Kong Special Administrative Region | 113,051 | 394,912 | +281,861 |
| China | 84,920 | 92,464 | +7,544 |
| Canada | 76,516 | 85,452 | +8,936 |
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 | 15,776,274 |
| 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 | 9,000,534 | 6,775,740 | -2,224,794 |
| 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 | 8,948,367 |
| London Stansted Airport | 4,817,457 |
| ZLC | 1,664,516 |
| London | 1,130,956 |
| East Midlands Airport | 330,959 |
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 | 5,125,491 | 3,822,876 | -1,302,615 |
| London Stansted Airport | 2,083,441 | 2,734,016 | +650,575 |
| ZLC | 1,606,123 | 58,393 | -1,547,730 |
| London | 1,130,956 | 0 | -1,130,956 |
| East Midlands Airport | 170,504 | 160,455 | -10,049 |
| 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