Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG794626144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794626144

Diamond specifications and retailer prices

From £658 GBP

$882 USD

As of October 30, 2026

Save £3,879 GBP (85%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £4,538 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794626144 or 794626144. Listed at 25 retailers as of October 29, 2026, with prices from £658 to £4,538, a £3,879 spread on the same certified stone. Brilliant Earth lists it at £4,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG794626144

Dimensions7.94 × 7.90 × 4.69 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG794626144

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: £4,538 GBP|Low: £580 GBP|High: £4,538 GBP|Avg: £1,511 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 5£587 GBP

Retailer 15£658 GBP

Retailer 2£658 GBP

Retailer 3£681 GBP

Retailer 12£681 GBP

Retailer 22£793 GBP

Retailer 18£821 GBP

Retailer 9£866 GBP

Retailer 10£976 GBP

Retailer 13£1,042 GBP

Retailer 17£1,085 GBP

Retailer 4£1,108 GBP

Retailer 16£1,253 GBP

Retailer 20£1,464 GBP

Retailer 19£1,481 GBP

Retailer 7£1,917 GBP

Retailer 11£2,290 GBP

Retailer 14£2,292 GBP

Retailer 6£2,305 GBP

Retailer 8£2,357 GBP

Retailer 21£2,559 GBP

Brilliant Earth£4,538 GBP

37 data points across 22 retailers

25 retailers£658 GBP to £4,538 GBP

Retailer 1

£587 GBP

$787 USD

Price last confirmed 15 days ago

Retailer 2

£658 GBP

$881 USD

View

Price last confirmed 17 days ago

Retailer 3

£658 GBP

$882 USD

View

Final sale: no returns

Retailer 4

£681 GBP

$913 USD

View

Price last confirmed 16 days ago

Retailer 5

£681 GBP

$913 USD

View

Price last confirmed 13 days ago

Retailer 6

£793 GBP

HK$8,300 HKD

View

Retailer 7

£821 GBP

$1,100 USD

View

Retailer 8

£866 GBP

$1,160 USD

View

B+

Retailer 9

£976 GBP

$1,308 USD

View

B+

Retailer 10

£1,042 GBP

View

B+

Retailer 11

£1,085 GBP

€1,385 EUR

View

B+

Retailer 12

£1,108 GBP

$1,485 USD

View

B+

Retailer 13

£1,253 GBP

ZAR 27,126 ZAR

View

B+

Retailer 14

£1,464 GBP

A$3,018 AUD

View

B+

Retailer 15

£1,481 GBP

$1,984 USD

View

Retailer 16

£1,917 GBP

$2,568 USD

View

Price last confirmed 15 days ago

B+

Retailer 17

£2,175 GBP

$2,914 USD

View

Retailer 18

£2,290 GBP

$3,068 USD

View

Retailer 19

£2,292 GBP

SGD 4,150 SGD

View

Retailer 20

£2,305 GBP

$3,088 USD

View

Retailer 21

£2,357 GBP

$3,158 USD

View

Retailer 22

£2,540 GBP

$3,403 USD

View

Price last confirmed 88 days ago

Retailer 23

£2,559 GBP

View

Retailer 24

£4,538 GBP

$6,080 USD

View

Price last confirmed 16 days ago

Most Expensive

Brilliant Earth

20735294A · Oct 29

£4,538 GBP

$6,080 USD

View

24 more retailers have this diamond

Prices start from £658 GBPSave up to £3,879 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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