Round|Lab Grown|IGI

4.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825634502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825634502

Diamond specifications and retailer prices

From £2,406 GBP

$3,224 USD

As of October 29, 2026

Save £8,363 GBP (78%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £10,770 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 4.03ct lab-grown round diamond

This 4.03ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825634502 or 825634502. Listed at 21 retailers as of October 29, 2026, with prices from £2,406 to £10,770, a £8,363 spread on the same certified stone. Brilliant Earth lists it at £10,770. 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

4.03

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.7°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825634502

Dimensions10.33 × 10.26 × 6.29 mm

L/W Ratio1.01

Girdle conditionFaceted

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 LG825634502

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 29

Current: £10,770 GBP|Low: £2,198 GBP|High: £13,382 GBP|Avg: £4,765 GBP|-19.5%

Brilliant Earth

Retailer 2

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Retailer 21

October 31, 2026

Retailer 10£2,290 GBP

Retailer 4£2,406 GBP

Retailer 16£2,454 GBP

Retailer 13£2,493 GBP

Retailer 8£2,571 GBP

Retailer 12£2,656 GBP

Retailer 14£2,656 GBP

Retailer 21£3,213 GBP

Retailer 15£3,226 GBP

Retailer 11£3,319 GBP

Retailer 2£3,354 GBP

Retailer 7£3,747 GBP

Retailer 19£3,969 GBP

Retailer 17£5,306 GBP

Retailer 9£5,362 GBP

Retailer 3£6,261 GBP

Retailer 18£6,351 GBP

Retailer 5£6,530 GBP

Retailer 20£6,933 GBP

Retailer 6£8,684 GBP

Brilliant Earth£10,770 GBP

24 data points across 21 retailers

21 retailers£2,406 GBP to £10,770 GBP

Retailer 1

£2,290 GBP

$3,068 USD

Price last confirmed 21 days ago

Retailer 2

£2,406 GBP

$3,224 USD

View

Final sale: no returns

Retailer 3

£2,454 GBP

View

Retailer 4

£2,493 GBP

$3,340 USD

View

Retailer 5

£2,571 GBP

$3,445 USD

View

Retailer 6

£2,656 GBP

$3,559 USD

View

Price last confirmed 29 days ago

Retailer 7

£2,656 GBP

$3,559 USD

View

Price last confirmed 20 days ago

Retailer 8

£3,213 GBP

$4,305 USD

View

Retailer 9

£3,226 GBP

$4,323 USD

View

Retailer 10

£3,319 GBP

$4,447 USD

View

Price last confirmed 24 days ago

Retailer 11

£3,354 GBP

View

Retailer 12

£3,747 GBP

$5,020 USD

View

Retailer 13

£3,969 GBP

€5,065 EUR

View

B+

Retailer 14

£5,306 GBP

ZAR 114,849 ZAR

View

Retailer 15

£5,362 GBP

$7,185 USD

View

Price last confirmed 13 days ago

B+

Retailer 16

£6,261 GBP

$8,389 USD

View

B+

Retailer 17

£6,351 GBP

View

B+

Retailer 18

£6,530 GBP

$8,749 USD

View

B+

Retailer 19

£6,933 GBP

$9,290 USD

View

B+

Retailer 20

£8,684 GBP

$11,636 USD

View

Most Expensive

Brilliant Earth

21580695A · Oct 30

£10,770 GBP

$14,430 USD

View

20 more retailers have this diamond

Prices start from £2,406 GBPSave up to £8,363 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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£2,406 GBP