Radiant|Lab Grown|IGI

4.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG738511292

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG738511292

Diamond specifications and retailer prices

From £2,424 GBP

$3,228 USD

As of October 30, 2026

Save £8,553 GBP (78%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: £10,977 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.09ct lab-grown radiant diamond

This 4.09ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG738511292 or 738511292. Listed at 30 retailers as of October 30, 2026, with prices from £2,424 to £10,977, a £8,553 spread on the same certified stone. With Clarity lists it at £10,977. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.09

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.2°

Pavilion angle33.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG738511292

Dimensions12.00 × 7.98 × 5.20 mm

L/W Ratio1.50

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG738511292

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: £3,740 GBP|Low: £2,424 GBP|High: £10,977 GBP|Avg: £5,741 GBP|-8.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

With Clarity

October 30, 2026

Retailer 3£2,424 GBP

Retailer 15£2,715 GBP

Retailer 9£2,766 GBP

Retailer 20£2,929 GBP

Retailer 10£3,460 GBP

Retailer 1£3,740 GBP

Retailer 19£3,957 GBP

Retailer 4£4,262 GBP

Retailer 13£4,280 GBP

Retailer 5£4,441 GBP

Retailer 17£4,509 GBP

Retailer 12£5,984 GBP

Retailer 18£6,055 GBP

Retailer 6£6,420 GBP

Retailer 8£7,024 GBP

Retailer 16£7,136 GBP

Retailer 11£7,433 GBP

Retailer 7£7,800 GBP

Retailer 2£7,898 GBP

Retailer 14£9,836 GBP

Retailer 21£10,019 GBP

With Clarity£10,977 GBP

35 data points across 22 retailers

30 retailers£2,424 GBP to £10,977 GBP

Cheapest Retailer

£2,424 GBP

$3,228 USD

Retailer 2

£2,424 GBP

$3,228 USD

View

Price last confirmed 22 days ago

Retailer 3

£2,588 GBP

$3,447 USD

View

Price last confirmed 30 days ago

Retailer 4

£2,715 GBP

$3,615 USD

View

Final sale: no returns

Retailer 5

£2,766 GBP

$3,683 USD

View

Retailer 6

£2,812 GBP

$3,745 USD

View

Price last confirmed 27 days ago

Retailer 7

£2,817 GBP

$3,751 USD

View

Price last confirmed 32 days ago

Retailer 8

£2,929 GBP

$3,900 USD

View

Retailer 9

£2,962 GBP

$3,944 USD

View

Price last confirmed 32 days ago

Retailer 10

£3,460 GBP

HK$36,000 HKD

View

Retailer 11

£3,514 GBP

$4,679 USD

View

Retailer 12

£3,514 GBP

$4,679 USD

View

Price last confirmed 19 days ago

Retailer 13

£3,740 GBP

View

Retailer 14

£3,752 GBP

$4,997 USD

View

Price last confirmed 29 days ago

Retailer 15

£3,957 GBP

$5,270 USD

View

Retailer 16

£4,262 GBP

$5,675 USD

View

Retailer 17

£4,280 GBP

View

Retailer 18

£4,441 GBP

$5,914 USD

View

Retailer 19

£4,509 GBP

€5,719 EUR

View

Price last confirmed 7 days ago

B+

Retailer 20

£5,984 GBP

ZAR 128,733 ZAR

View

Retailer 21

£6,055 GBP

A$12,406 AUD

View

Price last confirmed 7 days ago

B+

Retailer 22

£6,420 GBP

$8,550 USD

View

B+

Retailer 23

£7,024 GBP

$9,354 USD

View

B+

Retailer 24

£7,136 GBP

View

B+

Retailer 25

£7,433 GBP

$9,898 USD

View

B+

Retailer 26

£7,800 GBP

$10,387 USD

View

Retailer 27

£7,898 GBP

A$16,181 AUD

View

Price last confirmed 21 days ago

Retailer 28

£9,836 GBP

$13,098 USD

View

Retailer 29

£10,019 GBP

SGD 18,030 SGD

View

Most Expensive

With Clarity

738511292 · Oct 30

£10,977 GBP

$14,618 USD

View

29 more retailers have this diamond

Prices start from £2,424 GBPSave up to £8,553 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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