Marquise|Lab Grown|IGI

5.03ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG847631321

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847631321

Diamond specifications and retailer prices

From £446 GBP

$597 USD

As of October 30, 2026

Save £2,051 GBP (82%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,496 GBP at Rare Carat · As of October 28, 2026

View at Rare Carat

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 LG847631321 or 847631321. Listed at 19 retailers as of October 28, 2026, with prices from £446 to £2,496, a £2,051 spread on the same certified stone. Rare Carat lists it at £2,496. 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

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG847631321

Dimensions17.44 × 8.99 × 5.55 mm

L/W Ratio1.94

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG847631321

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: £2,496 GBP|Low: £446 GBP|High: £2,654 GBP|Avg: £1,214 GBP

Rare Carat

Retailer 2

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November 1, 2026

Retailer 3£446 GBP

Retailer 2£499 GBP

Retailer 9£553 GBP

Retailer 13£569 GBP

Retailer 5£611 GBP

Retailer 15£649 GBP

Retailer 19£740 GBP

Retailer 18£815 GBP

Retailer 11£848 GBP

Retailer 4£1,048 GBP

Retailer 10£1,091 GBP

Retailer 16£1,173 GBP

Retailer 17£1,196 GBP

Retailer 14£1,454 GBP

Retailer 6£1,779 GBP

Retailer 8£1,788 GBP

Retailer 12£2,400 GBP

Retailer 7£2,488 GBP

Rare Carat£2,496 GBP

13 data points across 19 retailers

19 retailers£446 GBP to £2,496 GBP

Cheapest Retailer

£446 GBP

$597 USD

Retailer 2

£499 GBP

$669 USD

View

Retailer 3

£553 GBP

$741 USD

View

Retailer 4

£569 GBP

View

Retailer 5

£611 GBP

HK$6,400 HKD

View

Retailer 6

£649 GBP

$870 USD

View

B+

Retailer 7

£740 GBP

$992 USD

View

Retailer 8

£815 GBP

$1,092 USD

View

Retailer 9

£848 GBP

€1,082 EUR

View

Retailer 10

£1,048 GBP

A$2,160 AUD

View

Retailer 11

£1,091 GBP

ZAR 23,611 ZAR

View

Retailer 12

£1,173 GBP

$1,572 USD

View

Retailer 13

£1,196 GBP

$1,603 USD

View

B+

Retailer 14

£1,454 GBP

$1,948 USD

View

B+

Retailer 15

£1,779 GBP

SGD 3,222 SGD

View

B+

Retailer 16

£1,788 GBP

$2,396 USD

View

Retailer 17

£2,400 GBP

View

Retailer 18

£2,488 GBP

$3,334 USD

View

Most Expensive

Rare Carat

AJ-00072220 · Oct 28

£2,496 GBP

$3,345 USD

View

18 more retailers have this diamond

Prices start from £446 GBPSave up to £2,051 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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