Marquise|Lab Grown|IGI

5.05ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG618472665

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG618472665

Diamond specifications and retailer prices

From £1,320 GBP

$1,769 USD

As of November 2, 2026

Save £1,788 GBP (58%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £3,108 GBP at MOH London · As of October 27, 2026

View at MOH London

About this 5.05ct lab-grown marquise diamond

This 5.05ct 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 LG618472665 or 618472665. Listed at 14 retailers as of October 27, 2026, with prices from £1,320 to £3,108, a £1,788 spread on the same certified stone. MOH London lists it at £3,108. 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

5.05

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618472665

Dimensions17.84 × 9.01 × 5.51 mm

L/W Ratio1.98

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 LG618472665

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: £3,108 GBP|Low: £915 GBP|High: £3,145 GBP|Avg: £1,850 GBP|+0.2%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 31, 2026

Retailer 5£915 GBP

Retailer 8£1,320 GBP

Retailer 4£1,321 GBP

Retailer 6£1,459 GBP

Retailer 2£1,855 GBP

Retailer 3£1,859 GBP

Retailer 9£1,912 GBP

Retailer 7£2,525 GBP

MOH London£3,108 GBP

25 data points across 9 retailers

14 retailers£1,320 GBP to £3,108 GBP

Retailer 1

£789 GBP

$1,057 USD

Price last confirmed 24 days ago

Retailer 2

£858 GBP

$1,150 USD

View

Price last confirmed 34 days ago

Retailer 3

£915 GBP

$1,226 USD

View

Price last confirmed 22 days ago

Retailer 4

£915 GBP

$1,226 USD

View

Price last confirmed 30 days ago

Retailer 5

£915 GBP

$1,226 USD

View

Price last confirmed 15 days ago

B+

Retailer 6

£1,320 GBP

$1,769 USD

View

B+

Retailer 7

£1,321 GBP

$1,770 USD

View

B+

Retailer 8

£1,459 GBP

$1,955 USD

View

Retailer 9

£1,715 GBP

$2,298 USD

View

Price last confirmed 32 days ago

B+

Retailer 10

£1,855 GBP

A$3,823 AUD

View

B+

Retailer 11

£1,859 GBP

ZAR 40,243 ZAR

View

B+

Retailer 12

£1,912 GBP

$2,562 USD

View

Retailer 13

£2,525 GBP

View

Most Expensive

MOH London

LG618472665 · Oct 27

£3,108 GBP

View

13 more retailers have this diamond

Prices start from £1,320 GBPSave up to £1,788 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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