Round|Lab Grown|IGI

2.37ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836614321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836614321

Diamond specifications and retailer prices

From £442 GBP

$588 USD

As of October 29, 2026

Save £3,238 GBP (88%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £3,680 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.37ct lab-grown round diamond

This 2.37ct 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 LG836614321 or 836614321. Listed at 22 retailers as of October 29, 2026, with prices from £442 to £3,680, a £3,238 spread on the same certified stone. Brilliant Earth lists it at £3,680. 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

2.37

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836614321

Dimensions8.49 × 8.59 × 5.26 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 LG836614321

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: £3,680 GBP|Low: £442 GBP|High: £3,687 GBP|Avg: £1,273 GBP|-0.2%

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 3£442 GBP

Retailer 20£495 GBP

Retailer 5£499 GBP

Retailer 10£547 GBP

Retailer 14£556 GBP

Retailer 6£609 GBP

Retailer 18£646 GBP

Retailer 7£732 GBP

Retailer 21£843 GBP

Retailer 2£851 GBP

Retailer 13£876 GBP

Retailer 4£1,183 GBP

Retailer 16£1,322 GBP

Retailer 22£1,359 GBP

Retailer 9£1,440 GBP

Retailer 11£1,734 GBP

Retailer 8£1,773 GBP

Retailer 15£1,817 GBP

Retailer 12£1,908 GBP

Retailer 19£2,381 GBP

Retailer 17£3,601 GBP

Brilliant Earth£3,680 GBP

22 data points across 22 retailers

22 retailers£442 GBP to £3,680 GBP

A+

Cheapest Retailer

£442 GBP

$588 USD

Retailer 2

£495 GBP

$659 USD

View

Retailer 3

£499 GBP

$665 USD

View

Final sale: no returns

Retailer 4

£547 GBP

$729 USD

View

Retailer 5

£556 GBP

$741 USD

View

Price last confirmed 13 days ago

Retailer 6

£609 GBP

View

Price last confirmed 7 days ago

Retailer 7

£646 GBP

$860 USD

View

Retailer 8

£732 GBP

$975 USD

View

Retailer 9

£843 GBP

$1,122 USD

View

Retailer 10

£851 GBP

View

Retailer 11

£876 GBP

€1,111 EUR

View

Retailer 12

£1,183 GBP

$1,575 USD

View

Retailer 13

£1,322 GBP

ZAR 28,436 ZAR

View

Retailer 14

£1,359 GBP

$1,810 USD

View

B+

Retailer 15

£1,440 GBP

$1,918 USD

View

B+

Retailer 16

£1,734 GBP

$2,309 USD

View

B+

Retailer 17

£1,773 GBP

$2,361 USD

View

B+

Retailer 18

£1,817 GBP

SGD 3,269 SGD

View

B+

Retailer 19

£1,908 GBP

$2,541 USD

View

B+

Retailer 20

£2,381 GBP

View

Retailer 21

£3,601 GBP

$4,795 USD

View

Most Expensive

Brilliant Earth

21729207A · Oct 29

£3,680 GBP

$4,900 USD

View

21 more retailers have this diamond

Prices start from £442 GBPSave up to £3,238 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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