Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG807603558

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807603558

Diamond specifications and retailer prices

From €494 EUR

$552 USD

As of October 29, 2026

Save €2,786 EUR (85%) vs most expensive(unlock to see where)

7 retailers carry this diamond

Most expensive: €4,449 EUR at Brilliant Earth · As of October 10, 2026

View at Brilliant Earth

About this 3.91ct lab-grown oval diamond

This 3.91ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807603558 or 807603558. Listed at 7 retailers as of October 28, 2026, with a 564% 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

3.91

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle41.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG807603558

Dimensions12.43 × 8.89 × 5.54 mm

L/W Ratio1.40

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG807603558

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: €4,449 EUR|Low: €342 EUR|High: €4,583 EUR|Avg: €1,559 EUR|-2.9%

Brilliant Earth

Retailer 2

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Retailer 7

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Retailer 10

Retailer 11

Retailer 12

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Retailer 16

October 31, 2026

Retailer 6€342 EUR

Retailer 9€494 EUR

Retailer 12€587 EUR

Retailer 13€668 EUR

Retailer 5€680 EUR

Retailer 3€837 EUR

Retailer 2€877 EUR

Retailer 15€886 EUR

Retailer 4€1,404 EUR

Retailer 14€1,582 EUR

Retailer 16€1,696 EUR

Retailer 7€1,908 EUR

Retailer 8€2,009 EUR

Retailer 10€3,281 EUR

Retailer 11€4,341 EUR

Brilliant Earth€4,449 EUR

39 data points across 16 retailers

7 retailers€494 EUR to €3,281 EUR

Cheapest Retailer

€494 EUR

$552 USD

Final sale: no returns

Retailer 2

€877 EUR

£771 GBP

View

Retailer 3

€1,404 EUR

$1,568 USD

View

Price last confirmed 45 days ago

Retailer 4

€2,560 EUR

A$4,400 AUD

View

Price last confirmed 119 days ago

Retailer 5

€3,281 EUR

$3,665 USD

View

Retailer 6

€4,341 EUR

$4,850 USD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

20100737A · Oct 10

€4,449 EUR

$4,970 USD

View

Price last confirmed 20 days ago

6 more retailers have this diamond

Prices start from €494 EURSave up to €2,786 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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3.91ct Oval

€494 EUR