Marquise|Lab Grown|IGI

5.11ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG805676095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805676095

Diamond specifications and retailer prices

From £755 GBP

$1,011 USD

As of October 31, 2026

Save £5,313 GBP (88%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £6,068 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 5.11ct lab-grown marquise diamond

This 5.11ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805676095 or 805676095. Listed at 15 retailers as of October 31, 2026, with prices from £755 to £6,068, a £5,313 spread on the same certified stone. Brilliant Earth lists it at £6,068. 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

5.11

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG805676095

Dimensions17.76 × 8.95 × 5.67 mm

L/W Ratio1.98

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 LG805676095

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 31

Current: £6,068 GBP|Low: £755 GBP|High: £8,680 GBP|Avg: £2,172 GBP|-30.1%

Brilliant Earth

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

October 31, 2026

Retailer 4£755 GBP

Retailer 9£849 GBP

Retailer 12£914 GBP

Retailer 8£1,204 GBP

Retailer 7£1,255 GBP

Retailer 13£1,407 GBP

Retailer 2£1,585 GBP

Retailer 11£1,589 GBP

Retailer 3£1,740 GBP

Retailer 14£1,793 GBP

Retailer 5£2,446 GBP

Retailer 15£2,447 GBP

Retailer 10£2,666 GBP

Retailer 6£2,717 GBP

Brilliant Earth£6,068 GBP

14 data points across 15 retailers

15 retailers£755 GBP to £6,068 GBP

Cheapest Retailer

£755 GBP

$1,011 USD

Final sale: no returns

Retailer 2

£849 GBP

View

Retailer 3

£914 GBP

$1,225 USD

View

Retailer 4

£1,204 GBP

View

Retailer 5

£1,255 GBP

$1,682 USD

View

Retailer 6

£1,407 GBP

€1,795 EUR

View

B+

Retailer 7

£1,585 GBP

A$3,267 AUD

View

Retailer 8

£1,589 GBP

ZAR 34,392 ZAR

View

B+

Retailer 9

£1,740 GBP

$2,331 USD

View

B+

Retailer 10

£1,793 GBP

$2,403 USD

View

B+

Retailer 11

£2,446 GBP

$3,278 USD

View

B+

Retailer 12

£2,447 GBP

$3,279 USD

View

B+

Retailer 13

£2,666 GBP

View

Retailer 14

£2,717 GBP

$3,641 USD

View

Most Expensive

Brilliant Earth

22163217A · Oct 31

£6,068 GBP

$8,130 USD

View

14 more retailers have this diamond

Prices start from £755 GBPSave up to £5,313 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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5.11ct Marquise

£755 GBP