Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845618761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845618761

Diamond specifications and retailer prices

From €1,256 EUR

$1,403 USD

As of October 29, 2026

Save €3,107 EUR (71%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €6,695 EUR at Brilliant Earth · As of October 31, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845618761 or 845618761. Listed at 16 retailers as of October 29, 2026, with a 247% 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

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG845618761

Dimensions17.04 × 9.04 × 5.76 mm

L/W Ratio1.88

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 LG845618761

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 29

Current: €6,695 EUR|Low: €1,256 EUR|High: €10,768 EUR|Avg: €2,806 EUR|-37.8%

Brilliant Earth

Retailer 2

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Retailer 4

Retailer 5

Retailer 6

Retailer 7

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Retailer 9

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Retailer 11

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Retailer 15

Retailer 16

October 31, 2026

Retailer 3€1,256 EUR

Retailer 10€1,271 EUR

Retailer 13€1,312 EUR

Retailer 4€1,723 EUR

Retailer 9€1,741 EUR

Retailer 7€2,059 EUR

Retailer 16€2,363 EUR

Retailer 8€2,427 EUR

Retailer 11€2,447 EUR

Retailer 2€3,328 EUR

Retailer 14€3,332 EUR

Retailer 5€3,633 EUR

Retailer 12€3,890 EUR

Retailer 6€4,217 EUR

Retailer 15€4,363 EUR

Brilliant Earth€6,695 EUR

10 data points across 16 retailers

16 retailers€1,256 EUR to €4,363 EUR

Cheapest Retailer

€1,256 EUR

$1,403 USD

Final sale: no returns

Retailer 2

€1,271 EUR

$1,420 USD

View

Retailer 3

€1,312 EUR

£1,154 GBP

View

Retailer 4

€1,723 EUR

$1,925 USD

View

Retailer 5

€1,741 EUR

£1,532 GBP

View

B+

Retailer 6

€2,059 EUR

View

B+

Retailer 7

€2,363 EUR

$2,640 USD

View

B+

Retailer 8

€2,427 EUR

$2,712 USD

View

B+

Retailer 9

€2,447 EUR

ZAR 44,166 ZAR

View

Retailer 10

€3,328 EUR

£2,928 GBP

View

B+

Retailer 11

€3,332 EUR

$3,722 USD

View

Retailer 12

€3,633 EUR

$4,059 USD

View

Retailer 13

€3,890 EUR

£3,422 GBP

View

Retailer 14

€4,217 EUR

$4,711 USD

View

Retailer 15

€4,363 EUR

$4,874 USD

View

Most Expensive

Brilliant Earth

22284482A · Oct 31

€6,695 EUR

$7,480 USD

View

Price under review

15 more retailers have this diamond

Prices start from €1,256 EURSave up to €3,107 EUR

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

€1,256 EUR