Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG848665364

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848665364

Diamond specifications and retailer prices

From £613 GBP

$823 USD

As of November 1, 2026

Save £3,940 GBP (87%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £4,553 GBP at Brilliant Earth · As of October 28, 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 LG848665364 or 848665364. Listed at 15 retailers as of October 28, 2026, with prices from £613 to £4,553, a £3,940 spread on the same certified stone. Brilliant Earth lists it at £4,553. 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 angle35.9°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG848665364

Dimensions18.30 × 8.86 × 5.47 mm

L/W Ratio2.07

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 LG848665364

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 1

Current: £689 GBP|Low: £613 GBP|High: £2,512 GBP|Avg: £1,478 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

November 2, 2026

Retailer 3£613 GBP

Retailer 1£689 GBP

Retailer 14£768 GBP

Retailer 6£909 GBP

Retailer 7£1,021 GBP

Retailer 9£1,289 GBP

Retailer 11£1,292 GBP

Retailer 8£1,342 GBP

Retailer 13£1,526 GBP

Retailer 12£2,063 GBP

Retailer 2£2,151 GBP

Retailer 5£2,193 GBP

Retailer 4£2,268 GBP

Retailer 10£2,512 GBP

8 data points across 14 retailers

15 retailers£613 GBP to £4,553 GBP

Cheapest Retailer

£613 GBP

$823 USD

Final sale: no returns

Retailer 2

£689 GBP

View

Retailer 3

£768 GBP

$1,030 USD

View

B+

Retailer 4

£909 GBP

$1,220 USD

View

Retailer 5

£1,021 GBP

View

B+

Retailer 6

£1,289 GBP

A$2,662 AUD

View

B+

Retailer 7

£1,292 GBP

ZAR 28,020 ZAR

View

B+

Retailer 8

£1,342 GBP

$1,801 USD

View

B+

Retailer 9

£1,526 GBP

$2,048 USD

View

B+

Retailer 10

£2,063 GBP

$2,769 USD

View

Retailer 11

£2,151 GBP

$2,886 USD

View

Retailer 12

£2,193 GBP

$2,943 USD

View

Retailer 13

£2,268 GBP

$3,043 USD

View

Retailer 14

£2,512 GBP

View

Most Expensive

Brilliant Earth

22329047A · Oct 28

£4,553 GBP

$6,110 USD

View

14 more retailers have this diamond

Prices start from £613 GBPSave up to £3,940 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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