Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG831612311

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831612311

Diamond specifications and retailer prices

From £1,001 GBP

$1,341 USD

As of October 30, 2026

Save £5,880 GBP (85%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £6,881 GBP at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831612311 or 831612311. Listed at 16 retailers as of October 30, 2026, with prices from £1,001 to £6,881, a £5,880 spread on the same certified stone. Do Amore Diamonds lists it at £6,881. 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 angle33.8°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831612311

Dimensions17.09 × 9.22 × 5.68 mm

L/W Ratio1.85

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 LG831612311

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: £6,881 GBP|Low: £980 GBP|High: £6,881 GBP|Avg: £2,725 GBP|+2.1%

Do Amore Diamonds

Retailer 2

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November 1, 2026

Retailer 17£1,001 GBP

Retailer 4£1,089 GBP

Retailer 19£1,236 GBP

Retailer 15£1,287 GBP

Retailer 13£1,387 GBP

Retailer 9£1,617 GBP

Retailer 12£1,633 GBP

Retailer 7£1,908 GBP

Retailer 10£2,010 GBP

Retailer 16£2,164 GBP

Retailer 3£2,402 GBP

Retailer 14£2,596 GBP

Retailer 8£3,092 GBP

Retailer 18£3,257 GBP

Retailer 2£3,660 GBP

Retailer 11£4,010 GBP

Retailer 5£5,740 GBP

Retailer 6£5,744 GBP

Do Amore Diamonds£6,881 GBP

25 data points across 19 retailers

16 retailers£1,001 GBP to £6,881 GBP

Cheapest Retailer

£1,001 GBP

$1,341 USD

Retailer 2

£1,089 GBP

$1,459 USD

View

Retailer 3

£1,236 GBP

$1,656 USD

View

Retailer 4

£1,287 GBP

$1,725 USD

View

Retailer 5

£1,387 GBP

View

B+

Retailer 6

£1,633 GBP

$2,188 USD

View

B+

Retailer 7

£1,908 GBP

€2,435 EUR

View

B+

Retailer 8

£2,164 GBP

$2,899 USD

View

B+

Retailer 9

£2,402 GBP

$3,218 USD

View

Retailer 10

£2,596 GBP

A$5,352 AUD

View

Retailer 11

£3,092 GBP

$4,143 USD

View

Price last confirmed 8 days ago

Retailer 12

£3,257 GBP

CA$6,061 CAD

View

Retailer 13

£3,660 GBP

View

Retailer 14

£5,740 GBP

$7,691 USD

View

Retailer 15

£5,744 GBP

$7,696 USD

View

Most Expensive

Do Amore Diamonds

27-009E0F80F · Oct 31

£6,881 GBP

$9,220 USD

View

15 more retailers have this diamond

Prices start from £1,001 GBPSave up to £5,880 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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