Oval|Lab Grown|IGI

2.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG840634727

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG840634727

Diamond specifications and retailer prices

From £516 GBP

$687 USD

As of October 29, 2026

Save £6,393 GBP (93%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £6,909 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval 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 LG840634727 or 840634727. Listed at 21 retailers as of October 29, 2026, with prices from £516 to £6,909, a £6,393 spread on the same certified stone. Brilliant Earth lists it at £6,909. 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

2.51

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840634727

Dimensions10.75 × 7.71 × 4.73 mm

L/W Ratio1.39

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 LG840634727

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: £6,909 GBP|Low: £516 GBP|High: £6,909 GBP|Avg: £1,878 GBP

Brilliant Earth

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October 30, 2026

Retailer 3£516 GBP

Retailer 20£562 GBP

Retailer 10£598 GBP

Retailer 6£602 GBP

Retailer 7£605 GBP

Retailer 16£740 GBP

Retailer 22£810 GBP

Retailer 2£959 GBP

Retailer 18£974 GBP

Retailer 14£1,068 GBP

Retailer 4£1,474 GBP

Retailer 13£1,544 GBP

Retailer 9£1,683 GBP

Retailer 5£1,880 GBP

Retailer 19£1,973 GBP

Retailer 11£2,064 GBP

Retailer 8£2,171 GBP

Retailer 21£2,302 GBP

Retailer 17£2,525 GBP

Retailer 15£3,647 GBP

Retailer 12£4,100 GBP

Brilliant Earth£6,909 GBP

14 data points across 22 retailers

21 retailers£516 GBP to £6,909 GBP

Cheapest Retailer

£516 GBP

$687 USD

Retailer 2

£562 GBP

$748 USD

View

Retailer 3

£598 GBP

$797 USD

View

Retailer 4

£602 GBP

$802 USD

View

Final sale: no returns

Retailer 5

£605 GBP

View

Price last confirmed 8 days ago

Retailer 6

£740 GBP

$985 USD

View

Retailer 7

£810 GBP

$1,079 USD

View

Retailer 8

£959 GBP

View

Retailer 9

£974 GBP

$1,297 USD

View

Retailer 10

£1,474 GBP

$1,963 USD

View

Retailer 11

£1,544 GBP

ZAR 33,223 ZAR

View

Retailer 12

£1,683 GBP

$2,241 USD

View

B+

Retailer 13

£1,880 GBP

$2,503 USD

View

B+

Retailer 14

£1,973 GBP

$2,628 USD

View

B+

Retailer 15

£2,064 GBP

$2,749 USD

View

B+

Retailer 16

£2,171 GBP

SGD 3,906 SGD

View

B+

Retailer 17

£2,302 GBP

$3,066 USD

View

B+

Retailer 18

£2,525 GBP

View

Retailer 19

£3,647 GBP

$4,856 USD

View

Retailer 20

£4,100 GBP

$5,460 USD

View

Most Expensive

Brilliant Earth

22142992A · Oct 29

£6,909 GBP

$9,200 USD

View

20 more retailers have this diamond

Prices start from £516 GBPSave up to £6,393 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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