Marquise|Lab Grown|IGI

1.07ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818664235

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818664235

Diamond specifications and retailer prices

From £383 GBP

$513 USD

As of October 30, 2026

Save £1,609 GBP (81%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £1,991 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.07ct lab-grown marquise diamond

This 1.07ct lab-grown marquise 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 LG818664235 or 818664235. Listed at 21 retailers as of October 29, 2026, with prices from £383 to £1,991, a £1,609 spread on the same certified stone. MOH London lists it at £1,991. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.6°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818664235

Dimensions10.69 × 5.28 × 3.31 mm

L/W Ratio2.02

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG818664235

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 30

Current: £1,991 GBP|Low: £383 GBP|High: £2,005 GBP|Avg: £920 GBP|+0.5%

MOH London

Retailer 2

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Retailer 6

Retailer 7

Retailer 8

Retailer 9

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Retailer 11

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Retailer 14

October 31, 2026

Retailer 3£383 GBP

Retailer 13£428 GBP

Retailer 4£475 GBP

Retailer 12£504 GBP

Retailer 11£578 GBP

Retailer 10£636 GBP

Retailer 8£693 GBP

Retailer 7£735 GBP

Retailer 9£815 GBP

Retailer 2£1,042 GBP

Retailer 6£1,054 GBP

Retailer 5£1,388 GBP

Retailer 14£1,636 GBP

MOH London£1,991 GBP

41 data points across 14 retailers

21 retailers£383 GBP to £1,991 GBP

Cheapest Retailer

£383 GBP

$513 USD

Retailer 2

£428 GBP

$574 USD

View

Retailer 3

£428 GBP

$574 USD

View

Final sale: no returns

Retailer 4

£475 GBP

$636 USD

View

Price last confirmed 15 days ago

Retailer 5

£475 GBP

$636 USD

View

Retailer 6

£504 GBP

View

Price last confirmed 14 days ago

B+

Retailer 7

£543 GBP

$728 USD

View

B+

Retailer 8

£578 GBP

$775 USD

View

B+

Retailer 9

£636 GBP

$852 USD

View

B+

Retailer 10

£693 GBP

€884 EUR

View

B+

Retailer 11

£735 GBP

View

B+

Retailer 12

£815 GBP

ZAR 17,652 ZAR

View

B+

Retailer 13

£1,042 GBP

$1,396 USD

View

Retailer 14

£1,054 GBP

$1,412 USD

View

Retailer 15

£1,248 GBP

$1,672 USD

View

Retailer 16

£1,388 GBP

View

Retailer 17

£1,544 GBP

$2,069 USD

View

Retailer 18

£1,636 GBP

$2,192 USD

View

Retailer 19

£1,761 GBP

$2,360 USD

View

Price last confirmed 32 days ago

Retailer 20

£1,768 GBP

$2,369 USD

View

Most Expensive

MOH London

LG818664235 · Oct 29

£1,991 GBP

View

20 more retailers have this diamond

Prices start from £383 GBPSave up to £1,609 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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1.07ct Marquise

£383 GBP