Marquise|Lab Grown|IGI

4.57ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG802612257

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG802612257

Diamond specifications and retailer prices

From £589 GBP

$790 USD

As of November 2, 2026

Save £1,972 GBP (77%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £2,561 GBP at MOH London · As of November 1, 2026

View at MOH London

About this 4.57ct lab-grown marquise diamond

This 4.57ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG802612257 or 802612257. Listed at 17 retailers as of November 1, 2026, with prices from £589 to £2,561, a £1,972 spread on the same certified stone. MOH London lists it at £2,561. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.57

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG802612257

Dimensions17.96 × 8.45 × 5.37 mm

L/W Ratio2.13

Girdle conditionFaceted

Culet sizePointed

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 LG802612257

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: Nov 2

Current: £2,561 GBP|Low: £566 GBP|High: £2,595 GBP|Avg: £1,371 GBP

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

November 2, 2026

Retailer 15£589 GBP

Retailer 4£641 GBP

Retailer 6£659 GBP

Retailer 5£683 GBP

Retailer 16£683 GBP

Retailer 12£816 GBP

Retailer 14£978 GBP

Retailer 2£1,048 GBP

Retailer 11£1,454 GBP

Retailer 10£1,464 GBP

Retailer 8£1,521 GBP

Retailer 13£1,625 GBP

Retailer 3£1,921 GBP

Retailer 9£2,002 GBP

Retailer 7£2,124 GBP

Retailer 17£2,309 GBP

MOH London£2,561 GBP

41 data points across 17 retailers

17 retailers£589 GBP to £2,561 GBP

Cheapest Retailer

£589 GBP

$790 USD

Retailer 2

£641 GBP

$860 USD

View

Retailer 3

£659 GBP

$885 USD

View

Final sale: no returns

Retailer 4

£683 GBP

$917 USD

View

Price last confirmed 16 days ago

Retailer 5

£683 GBP

$917 USD

View

Retailer 6

£816 GBP

$1,095 USD

View

B+

Retailer 7

£978 GBP

$1,312 USD

View

Retailer 8

£1,048 GBP

View

Retailer 9

£1,454 GBP

ZAR 31,525 ZAR

View

Retailer 10

£1,464 GBP

A$3,022 AUD

View

B+

Retailer 11

£1,521 GBP

$2,041 USD

View

B+

Retailer 12

£1,625 GBP

$2,180 USD

View

B+

Retailer 13

£1,921 GBP

$2,578 USD

View

B+

Retailer 14

£2,002 GBP

$2,686 USD

View

Retailer 15

£2,124 GBP

View

B+

Retailer 16

£2,309 GBP

$3,099 USD

View

Most Expensive

B+

MOH London

LG802612257 · Nov 1

£2,561 GBP

View

16 more retailers have this diamond

Prices start from £589 GBPSave up to £1,972 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.

Similar diamonds

4.57ct Marquise

£589 GBP