Radiant|Lab Grown|IGI

2.81ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818654310

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

Certificate IGI LG818654310

Diamond specifications and retailer prices

From £987 GBP

$1,314 USD

As of October 30, 2026

Save £6,733 GBP (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £7,720 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.81ct lab-grown radiant diamond

This 2.81ct lab-grown radiant 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 LG818654310 or 818654310. Listed at 21 retailers as of October 29, 2026, with prices from £987 to £7,720, a £6,733 spread on the same certified stone. Brilliant Earth lists it at £7,720. 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

2.81

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle47.8°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818654310

Dimensions9.52 × 6.88 × 4.82 mm

L/W Ratio1.38

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 LG818654310

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: £7,720 GBP|Low: £987 GBP|High: £7,727 GBP|Avg: £2,961 GBP|-0.1%

Brilliant Earth

Retailer 2

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Retailer 5

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Retailer 10

Retailer 11

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Retailer 18

October 30, 2026

Retailer 18£987 GBP

Retailer 17£1,085 GBP

Retailer 14£1,141 GBP

Retailer 2£1,384 GBP

Retailer 9£1,391 GBP

Retailer 13£1,520 GBP

Retailer 6£1,653 GBP

Retailer 15£1,938 GBP

Retailer 16£2,412 GBP

Retailer 11£2,465 GBP

Retailer 3£2,766 GBP

Retailer 12£3,258 GBP

Retailer 4£3,340 GBP

Retailer 10£3,353 GBP

Retailer 7£3,485 GBP

Retailer 5£3,770 GBP

Retailer 8£4,374 GBP

Brilliant Earth£7,720 GBP

36 data points across 18 retailers

21 retailers£987 GBP to £7,720 GBP

Cheapest Retailer

£987 GBP

$1,314 USD

Final sale: no returns

Retailer 2

£1,085 GBP

$1,445 USD

View

Retailer 3

£1,141 GBP

$1,520 USD

View

Retailer 4

£1,151 GBP

$1,533 USD

View

Price last confirmed 28 days ago

Retailer 5

£1,305 GBP

$1,738 USD

View

Price last confirmed 32 days ago

Retailer 6

£1,384 GBP

View

Retailer 7

£1,391 GBP

$1,853 USD

View

Price last confirmed 27 days ago

Retailer 8

£1,520 GBP

$2,024 USD

View

Retailer 9

£1,653 GBP

€2,097 EUR

View

Price last confirmed 7 days ago

Retailer 10

£1,938 GBP

$2,581 USD

View

B+

Retailer 11

£2,412 GBP

$3,212 USD

View

B+

Retailer 12

£2,465 GBP

ZAR 53,028 ZAR

View

Retailer 13

£2,608 GBP

$3,473 USD

View

Price last confirmed 29 days ago

B+

Retailer 14

£2,766 GBP

$3,684 USD

View

B+

Retailer 15

£3,258 GBP

View

B+

Retailer 16

£3,340 GBP

$4,447 USD

View

Retailer 17

£3,353 GBP

View

Price last confirmed 25 days ago

B+

Retailer 18

£3,485 GBP

SGD 6,272 SGD

View

B+

Retailer 19

£3,770 GBP

$5,021 USD

View

Retailer 20

£4,374 GBP

$5,825 USD

View

Price last confirmed 9 days ago

Most Expensive

Brilliant Earth

21434055A · Oct 29

£7,720 GBP

$10,280 USD

View

20 more retailers have this diamond

Prices start from £987 GBPSave up to £6,733 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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