Oval|Lab Grown|IGI

1.18ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG790692748

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790692748

Diamond specifications and retailer prices

From £171 GBP

$229 USD

As of October 29, 2026

Save £1,172 GBP (87%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,343 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.18ct lab-grown oval diamond

This 1.18ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790692748 or 790692748. Listed at 19 retailers as of October 29, 2026, with prices from £171 to £1,343, a £1,172 spread on the same certified stone. Brilliant Earth lists it at £1,343. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790692748

Dimensions8.93 × 5.77 × 3.64 mm

L/W Ratio1.55

Girdle conditionFaceted

Culet sizePointed

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 LG790692748

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £1,343 GBP|Low: £191 GBP|High: £1,381 GBP|Avg: £594 GBP|-2.7%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 4£191 GBP

Retailer 11£285 GBP

Retailer 9£353 GBP

Retailer 6£365 GBP

Retailer 3£391 GBP

Retailer 2£399 GBP

Retailer 7£518 GBP

Retailer 10£556 GBP

Retailer 5£855 GBP

Retailer 12£875 GBP

Retailer 8£899 GBP

Brilliant Earth£1,343 GBP

42 data points across 12 retailers

19 retailers£171 GBP to £1,343 GBP

Cheapest Retailer

£171 GBP

$229 USD

Retailer 2

£191 GBP

$256 USD

View

Final sale: no returns

Retailer 3

£199 GBP

$266 USD

View

Retailer 4

£212 GBP

$284 USD

View

Retailer 5

£212 GBP

$284 USD

View

Retailer 6

£285 GBP

$382 USD

View

Retailer 7

£365 GBP

ZAR 7,892 ZAR

View

Retailer 8

£391 GBP

$524 USD

View

Retailer 9

£399 GBP

View

B+

Retailer 10

£518 GBP

A$1,067 AUD

View

B+

Retailer 11

£556 GBP

$745 USD

View

B+

Retailer 12

£556 GBP

$745 USD

View

B+

Retailer 13

£682 GBP

$914 USD

View

B+

Retailer 14

£721 GBP

$967 USD

View

B+

Retailer 15

£855 GBP

View

Retailer 16

£875 GBP

A$1,804 AUD

View

Price last confirmed 29 days ago

Retailer 17

£899 GBP

$1,205 USD

View

Price last confirmed 11 days ago

Retailer 18

£961 GBP

$1,287 USD

View

Most Expensive

Brilliant Earth

19797082A · Oct 29

£1,343 GBP

$1,800 USD

View

18 more retailers have this diamond

Prices start from £171 GBPSave up to £1,172 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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