Marquise|Lab Grown|IGI

5.09ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG848665342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848665342

Diamond specifications and retailer prices

From £1,566 GBP

$2,101 USD

As of November 1, 2026

Save £4,796 GBP (75%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £8,987 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG848665342 or 848665342. Listed at 18 retailers as of October 31, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG848665342

Dimensions17.57 × 8.99 × 5.75 mm

L/W Ratio1.95

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 LG848665342

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 1

Current: £1,699 GBP|Low: £1,566 GBP|High: £6,362 GBP|Avg: £3,570 GBP|-0.6%

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

Retailer 16

Retailer 17

November 2, 2026

Retailer 7£1,566 GBP

Retailer 1£1,699 GBP

Retailer 13£2,060 GBP

Retailer 10£2,232 GBP

Retailer 9£2,314 GBP

Retailer 14£2,334 GBP

Retailer 3£2,786 GBP

Retailer 11£3,289 GBP

Retailer 15£3,298 GBP

Retailer 4£3,362 GBP

Retailer 5£4,374 GBP

Retailer 2£4,652 GBP

Retailer 16£4,660 GBP

Retailer 17£4,725 GBP

Retailer 6£5,685 GBP

Retailer 8£5,915 GBP

Retailer 12£6,362 GBP

8 data points across 17 retailers

18 retailers£1,566 GBP to £6,362 GBP

B+

Cheapest Retailer

£1,566 GBP

$2,101 USD

Final sale: no returns

B+

Retailer 2

£1,699 GBP

View

B+

Retailer 3

£2,060 GBP

$2,765 USD

View

B+

Retailer 4

£2,232 GBP

View

B+

Retailer 5

£2,314 GBP

$3,105 USD

View

B+

Retailer 6

£2,334 GBP

$3,132 USD

View

Retailer 7

£2,786 GBP

$3,738 USD

View

Retailer 8

£3,289 GBP

A$6,790 AUD

View

Retailer 9

£3,298 GBP

ZAR 71,488 ZAR

View

Retailer 10

£3,362 GBP

View

Retailer 11

£4,374 GBP

$5,869 USD

View

Retailer 12

£4,652 GBP

$6,242 USD

View

Retailer 13

£4,660 GBP

View

Retailer 14

£4,725 GBP

$6,340 USD

View

Retailer 15

£5,685 GBP

$7,629 USD

View

Retailer 16

£5,915 GBP

$7,938 USD

View

Retailer 17

£6,362 GBP

A$13,134 AUD

View

Most Expensive

Brilliant Earth

22328636A · Nov 2

£8,987 GBP

$12,060 USD

View

Price under review

17 more retailers have this diamond

Prices start from £1,566 GBPSave up to £4,796 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+

5.09ct Marquise

£1,566 GBP