Round|Lab Grown|IGI

2.21ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840633368

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633368

Diamond specifications and retailer prices

From £410 GBP

$550 USD

As of October 29, 2026

Save £2,642 GBP (87%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £3,052 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.21ct lab-grown round diamond

This 2.21ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840633368 or 840633368. Listed at 23 retailers as of October 29, 2026, with prices from £410 to £3,052, a £2,642 spread on the same certified stone. Brilliant Earth lists it at £3,052. 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

2.21

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840633368

Dimensions8.29 × 8.35 × 5.15 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 LG840633368

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: £3,052 GBP|Low: £410 GBP|High: £3,052 GBP|Avg: £1,276 GBP

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

October 30, 2026

Retailer 3£410 GBP

Retailer 20£460 GBP

Retailer 5£463 GBP

Retailer 9£509 GBP

Retailer 12£518 GBP

Retailer 2£569 GBP

Retailer 19£608 GBP

Retailer 6£692 GBP

Retailer 21£786 GBP

Retailer 13£792 GBP

Retailer 17£816 GBP

Retailer 4£1,034 GBP

Retailer 18£1,229 GBP

Retailer 22£1,314 GBP

Retailer 8£1,340 GBP

Retailer 10£1,622 GBP

Retailer 7£1,653 GBP

Retailer 14£1,693 GBP

Retailer 11£1,768 GBP

Retailer 16£2,224 GBP

Retailer 15£2,995 GBP

Brilliant Earth£3,052 GBP

23 data points across 22 retailers

23 retailers£410 GBP to £3,052 GBP

A+

Cheapest Retailer

£410 GBP

$550 USD

Retailer 2

£460 GBP

$616 USD

View

Retailer 3

£463 GBP

$620 USD

View

Final sale: no returns

Retailer 4

£509 GBP

$682 USD

View

Retailer 5

£518 GBP

$694 USD

View

Price last confirmed 14 days ago

Retailer 6

£569 GBP

View

Retailer 7

£608 GBP

$815 USD

View

Retailer 8

£692 GBP

$927 USD

View

Retailer 9

£786 GBP

$1,053 USD

View

Retailer 10

£792 GBP

View

Retailer 11

£816 GBP

€1,041 EUR

View

Retailer 12

£1,034 GBP

$1,385 USD

View

Retailer 13

£1,229 GBP

ZAR 26,607 ZAR

View

B+

Retailer 14

£1,314 GBP

$1,761 USD

View

B+

Retailer 15

£1,340 GBP

$1,795 USD

View

B+

Retailer 16

£1,622 GBP

$2,173 USD

View

B+

Retailer 17

£1,653 GBP

$2,214 USD

View

B+

Retailer 18

£1,693 GBP

SGD 3,065 SGD

View

B+

Retailer 19

£1,768 GBP

$2,369 USD

View

B+

Retailer 20

£2,224 GBP

View

Retailer 21

£2,523 GBP

$3,380 USD

View

Retailer 22

£2,995 GBP

$4,013 USD

View

Most Expensive

Brilliant Earth

21729060A · Oct 29

£3,052 GBP

$4,090 USD

View

22 more retailers have this diamond

Prices start from £410 GBPSave up to £2,642 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.

Similar diamonds

A+

2.21ct Round

£410 GBP