Marquise|Lab Grown|IGI

5.03ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG618472758

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG618472758

Diamond specifications and retailer prices

From £1,311 GBP

$1,756 USD

As of November 2, 2026

Save £1,785 GBP (58%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: £3,096 GBP at MOH London · As of October 27, 2026

View at MOH London

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618472758 or 618472758. Listed at 13 retailers as of October 27, 2026, with prices from £1,311 to £3,096, a £1,785 spread on the same certified stone. MOH London lists it at £3,096. 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

5.03

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618472758

Dimensions17.64 × 9.00 × 5.52 mm

L/W Ratio1.96

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG618472758

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: £3,096 GBP|Low: £1,041 GBP|High: £3,133 GBP|Avg: £1,889 GBP|+0.1%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

October 31, 2026

Retailer 7£1,311 GBP

Retailer 4£1,314 GBP

Retailer 5£1,452 GBP

Retailer 2£1,847 GBP

Retailer 3£1,852 GBP

Retailer 8£1,905 GBP

Retailer 6£2,514 GBP

MOH London£3,096 GBP

25 data points across 8 retailers

13 retailers£1,311 GBP to £3,096 GBP

Retailer 1

£786 GBP

$1,053 USD

Price last confirmed 24 days ago

Retailer 2

£855 GBP

$1,146 USD

View

Price last confirmed 34 days ago

Retailer 3

£911 GBP

$1,221 USD

View

Price last confirmed 22 days ago

Retailer 4

£911 GBP

$1,221 USD

View

Price last confirmed 29 days ago

B+

Retailer 5

£1,311 GBP

$1,756 USD

View

B+

Retailer 6

£1,314 GBP

$1,760 USD

View

B+

Retailer 7

£1,452 GBP

$1,946 USD

View

Retailer 8

£1,708 GBP

$2,289 USD

View

Price last confirmed 32 days ago

B+

Retailer 9

£1,847 GBP

A$3,808 AUD

View

B+

Retailer 10

£1,852 GBP

ZAR 40,088 ZAR

View

B+

Retailer 11

£1,905 GBP

$2,553 USD

View

Retailer 12

£2,514 GBP

View

Most Expensive

MOH London

LG618472758 · Oct 27

£3,096 GBP

View

12 more retailers have this diamond

Prices start from £1,311 GBPSave up to £1,785 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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B+

5.03ct Marquise

£1,311 GBP