Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG836617660

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836617660

Diamond specifications and retailer prices

From £213 GBP

$284 USD

As of October 28, 2026

Save £2,362 GBP (92%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £2,576 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.31ct lab-grown oval diamond

This 1.31ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836617660 or 836617660. Listed at 15 retailers as of October 28, 2026, with prices from £213 to £2,576, a £2,362 spread on the same certified stone. Brilliant Earth lists it at £2,576. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836617660

Dimensions8.79 × 6.08 × 3.88 mm

L/W Ratio1.45

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 LG836617660

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 28

Current: £2,576 GBP|Low: £213 GBP|High: £2,576 GBP|Avg: £744 GBP

Brilliant Earth

Retailer 2

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Retailer 16

October 30, 2026

Retailer 3£213 GBP

Retailer 13£236 GBP

Retailer 2£250 GBP

Retailer 11£372 GBP

Retailer 14£395 GBP

Retailer 6£403 GBP

Retailer 10£405 GBP

Retailer 9£449 GBP

Retailer 8£653 GBP

Retailer 16£680 GBP

Retailer 15£725 GBP

Retailer 7£790 GBP

Retailer 4£797 GBP

Retailer 12£947 GBP

Retailer 5£1,945 GBP

Brilliant Earth£2,576 GBP

28 data points across 16 retailers

15 retailers£213 GBP to £2,576 GBP

Cheapest Retailer

£213 GBP

$284 USD

Final sale: no returns

Retailer 2

£236 GBP

$314 USD

View

Retailer 3

£250 GBP

View

Retailer 4

£372 GBP

$495 USD

View

Retailer 5

£395 GBP

$526 USD

View

Retailer 6

£405 GBP

ZAR 8,723 ZAR

View

Retailer 7

£449 GBP

View

B+

Retailer 8

£647 GBP

$862 USD

View

B+

Retailer 9

£680 GBP

$905 USD

View

B+

Retailer 10

£725 GBP

$966 USD

View

B+

Retailer 11

£790 GBP

SGD 1,422 SGD

View

B+

Retailer 12

£797 GBP

$1,062 USD

View

B+

Retailer 13

£947 GBP

View

Retailer 14

£1,945 GBP

$2,590 USD

View

Most Expensive

Brilliant Earth

21640922A · Oct 29

£2,576 GBP

$3,430 USD

View

14 more retailers have this diamond

Prices start from £213 GBPSave up to £2,362 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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