Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG605327157

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG605327157

Diamond specifications and retailer prices

From £181 GBP

$241 USD

As of October 30, 2026

Save £795 GBP (81%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £976 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG605327157 or 605327157. Listed at 19 retailers as of October 28, 2026, with prices from £181 to £976, a £795 spread on the same certified stone. Brilliant Earth lists it at £976. 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

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG605327157

Dimensions10.70 × 5.52 × 3.48 mm

L/W Ratio1.94

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG605327157

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 30

Current: £976 GBP|Low: £181 GBP|High: £1,006 GBP|Avg: £471 GBP|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

October 30, 2026

Retailer 11£181 GBP

Retailer 7£270 GBP

Retailer 5£336 GBP

Retailer 4£344 GBP

Retailer 2£371 GBP

Retailer 3£409 GBP

Retailer 10£438 GBP

Retailer 6£490 GBP

Retailer 9£646 GBP

Retailer 8£807 GBP

Brilliant Earth£976 GBP

43 data points across 11 retailers

19 retailers£181 GBP to £976 GBP

Retailer 1

£161 GBP

$215 USD

Price last confirmed 13 days ago

Retailer 2

£181 GBP

$241 USD

View

Final sale: no returns

Retailer 3

£187 GBP

$249 USD

View

Price last confirmed 15 days ago

Retailer 4

£200 GBP

$267 USD

View

Price last confirmed 14 days ago

Retailer 5

£200 GBP

$267 USD

View

Price last confirmed 27 days ago

Retailer 6

£270 GBP

$360 USD

View

Retailer 7

£336 GBP

€426 EUR

View

Retailer 8

£344 GBP

ZAR 7,401 ZAR

View

Retailer 9

£371 GBP

View

B+

Retailer 10

£404 GBP

$538 USD

View

B+

Retailer 11

£409 GBP

$545 USD

View

B+

Retailer 12

£438 GBP

$583 USD

View

B+

Retailer 13

£490 GBP

A$1,003 AUD

View

Retailer 14

£644 GBP

$857 USD

View

Price last confirmed 13 days ago

Retailer 15

£646 GBP

$860 USD

View

Retailer 16

£684 GBP

$910 USD

View

Retailer 17

£807 GBP

View

Retailer 18

£932 GBP

$1,242 USD

View

Most Expensive

Brilliant Earth

10023493A · Oct 28

£976 GBP

$1,300 USD

View

18 more retailers have this diamond

Prices start from £181 GBPSave up to £795 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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