Round|Lab Grown|IGI

1.18ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG749513660

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749513660

Diamond specifications and retailer prices

From £191 GBP

$256 USD

As of October 29, 2026

Save £1,048 GBP (85%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £1,239 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749513660 or 749513660. Listed at 18 retailers as of October 29, 2026, with prices from £191 to £1,239, a £1,048 spread on the same certified stone. Brilliant Earth lists it at £1,239. 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 angle36.2°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG749513660

Dimensions6.77 × 6.74 × 4.21 mm

L/W Ratio1.00

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 LG749513660

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: £1,239 GBP|Low: £184 GBP|High: £1,239 GBP|Avg: £515 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 14£191 GBP

Retailer 8£213 GBP

Retailer 3£237 GBP

Retailer 15£237 GBP

Retailer 10£393 GBP

Retailer 16£396 GBP

Retailer 12£399 GBP

Retailer 11£407 GBP

Retailer 2£451 GBP

Retailer 6£472 GBP

Retailer 5£479 GBP

Retailer 13£728 GBP

Retailer 4£764 GBP

Retailer 7£800 GBP

Retailer 9£954 GBP

Brilliant Earth£1,239 GBP

43 data points across 16 retailers

18 retailers£191 GBP to £1,239 GBP

Cheapest Retailer

£191 GBP

$256 USD

Retailer 2

£213 GBP

$286 USD

View

Final sale: no returns

Retailer 3

£222 GBP

$297 USD

View

Retailer 4

£237 GBP

$317 USD

View

Retailer 5

£237 GBP

$317 USD

View

Retailer 6

£393 GBP

€501 EUR

View

Retailer 7

£396 GBP

$531 USD

View

Retailer 8

£399 GBP

$535 USD

View

Retailer 9

£407 GBP

ZAR 8,812 ZAR

View

Retailer 10

£451 GBP

View

B+

Retailer 11

£472 GBP

$632 USD

View

B+

Retailer 12

£479 GBP

$642 USD

View

B+

Retailer 13

£728 GBP

$975 USD

View

B+

Retailer 14

£762 GBP

$1,021 USD

View

B+

Retailer 15

£764 GBP

SGD 1,383 SGD

View

Retailer 16

£800 GBP

$1,072 USD

View

B+

Retailer 17

£954 GBP

View

Most Expensive

Brilliant Earth

16895251A · Oct 29

£1,239 GBP

$1,660 USD

View

17 more retailers have this diamond

Prices start from £191 GBPSave up to £1,048 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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1.18ct Round

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