Marquise|Lab Grown|IGI

5.01ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG818636746

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818636746

Diamond specifications and retailer prices

From £690 GBP

$925 USD

As of October 30, 2026

Save £4,444 GBP (87%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £5,135 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 5.01ct lab-grown marquise diamond

This 5.01ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818636746 or 818636746. Listed at 21 retailers as of October 28, 2026, with prices from £690 to £5,135, a £4,444 spread on the same certified stone. Brilliant Earth lists it at £5,135. 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

5.01

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.9°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818636746

Dimensions17.95 × 8.95 × 5.54 mm

L/W Ratio2.01

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 LG818636746

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: £5,135 GBP|Low: £663 GBP|High: £5,135 GBP|Avg: £1,715 GBP

Brilliant Earth

Retailer 2

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Retailer 11

Retailer 12

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Retailer 17

November 1, 2026

Retailer 4£690 GBP

Retailer 5£801 GBP

Retailer 7£801 GBP

Retailer 10£881 GBP

Retailer 17£933 GBP

Retailer 8£1,061 GBP

Retailer 11£1,233 GBP

Retailer 6£1,283 GBP

Retailer 14£1,433 GBP

Retailer 12£1,622 GBP

Retailer 13£1,626 GBP

Retailer 16£1,781 GBP

Retailer 9£2,207 GBP

Retailer 3£2,505 GBP

Retailer 15£2,627 GBP

Retailer 2£2,715 GBP

Brilliant Earth£5,135 GBP

42 data points across 17 retailers

21 retailers£690 GBP to £5,135 GBP

Cheapest Retailer

£690 GBP

$925 USD

Retailer 2

£751 GBP

$1,006 USD

View

Retailer 3

£801 GBP

$1,073 USD

View

Retailer 4

£801 GBP

$1,073 USD

View

Price last confirmed 15 days ago

Retailer 5

£881 GBP

View

Retailer 6

£933 GBP

$1,250 USD

View

Retailer 7

£1,061 GBP

$1,422 USD

View

Retailer 8

£1,233 GBP

View

Retailer 9

£1,283 GBP

$1,719 USD

View

B+

Retailer 10

£1,358 GBP

$1,819 USD

View

B+

Retailer 11

£1,433 GBP

€1,828 EUR

View

B+

Retailer 12

£1,622 GBP

A$3,344 AUD

View

B+

Retailer 13

£1,626 GBP

ZAR 35,206 ZAR

View

B+

Retailer 14

£1,781 GBP

$2,386 USD

View

Retailer 15

£2,207 GBP

View

Retailer 16

£2,251 GBP

$3,016 USD

View

Retailer 17

£2,505 GBP

$3,356 USD

View

Retailer 18

£2,627 GBP

$3,520 USD

View

Retailer 19

£2,715 GBP

View

Retailer 20

£2,784 GBP

$3,730 USD

View

Most Expensive

Brilliant Earth

20773838A · Oct 28

£5,135 GBP

$6,880 USD

View

20 more retailers have this diamond

Prices start from £690 GBPSave up to £4,444 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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