Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG844634322

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844634322

Diamond specifications and retailer prices

From £521 GBP

$699 USD

As of November 2, 2026

Save £3,503 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £4,024 GBP at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844634322 or 844634322. Listed at 18 retailers as of November 2, 2026, with prices from £521 to £4,024, a £3,503 spread on the same certified stone. Brilliant Earth lists it at £4,024. 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

5.09

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG844634322

Dimensions17.48 × 9.09 × 5.66 mm

L/W Ratio1.92

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 LG844634322

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: £1,227 GBP|Low: £521 GBP|High: £2,723 GBP|Avg: £1,460 GBP|-8.7%

Retailer 1

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

November 2, 2026

Retailer 7£521 GBP

Retailer 9£654 GBP

Retailer 15£734 GBP

Retailer 5£853 GBP

Retailer 10£968 GBP

Retailer 3£1,224 GBP

Retailer 1£1,227 GBP

Retailer 8£1,487 GBP

Retailer 13£1,517 GBP

Retailer 12£1,698 GBP

Retailer 2£1,874 GBP

Retailer 4£1,926 GBP

Retailer 6£2,083 GBP

Retailer 11£2,372 GBP

Retailer 14£2,723 GBP

19 data points across 15 retailers

18 retailers£521 GBP to £4,024 GBP

Cheapest Retailer

£521 GBP

$699 USD

Retailer 2

£654 GBP

View

Retailer 3

£668 GBP

$897 USD

View

Price last confirmed 16 days ago

Retailer 4

£734 GBP

$985 USD

View

B+

Retailer 5

£853 GBP

$1,145 USD

View

Retailer 6

£968 GBP

View

Retailer 7

£1,224 GBP

A$2,527 AUD

View

Retailer 8

£1,227 GBP

ZAR 26,590 ZAR

View

B+

Retailer 9

£1,487 GBP

$1,996 USD

View

B+

Retailer 10

£1,517 GBP

$2,036 USD

View

B+

Retailer 11

£1,698 GBP

$2,279 USD

View

B+

Retailer 12

£1,874 GBP

View

B+

Retailer 13

£1,926 GBP

$2,585 USD

View

B+

Retailer 14

£2,083 GBP

$2,795 USD

View

B+

Retailer 15

£2,372 GBP

View

Retailer 16

£2,723 GBP

A$5,621 AUD

View

Retailer 17

£3,305 GBP

$4,435 USD

View

Most Expensive

Brilliant Earth

22352520A · Nov 2

£4,024 GBP

$5,400 USD

View

17 more retailers have this diamond

Prices start from £521 GBPSave up to £3,503 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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5.09ct Marquise

£521 GBP