Oval|Lab Grown|IGI

4.00ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG780661620

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780661620

Diamond specifications and retailer prices

From €1,807 EUR

$2,019 USD

As of October 29, 2026

Save €12,282 EUR (87%) vs most expensive(unlock to see where)

13 retailers carry this diamond

Most expensive: €14,089 EUR at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780661620 or 780661620. Listed at 13 retailers as of October 28, 2026, with prices from €1,807 to €14,089, a €12,282 spread on the same certified stone. Brilliant Earth lists it at €14,089. 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

4.00

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780661620

Dimensions12.83 × 8.78 × 5.39 mm

L/W Ratio1.46

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG780661620

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: €14,089 EUR|Low: €1,807 EUR|High: €23,779 EUR|Avg: €8,145 EUR|-3.0%

Brilliant Earth

Retailer 2

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Retailer 7

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Retailer 11

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Retailer 17

October 30, 2026

Retailer 10€1,807 EUR

Retailer 11€2,247 EUR

Retailer 4€3,091 EUR

Retailer 16€3,162 EUR

Retailer 3€3,180 EUR

Retailer 8€3,706 EUR

Retailer 2€3,743 EUR

Retailer 6€4,663 EUR

Retailer 7€5,018 EUR

Retailer 15€5,763 EUR

Retailer 17€6,239 EUR

Retailer 12€6,311 EUR

Retailer 5€6,388 EUR

Retailer 14€9,492 EUR

Retailer 13€12,433 EUR

Brilliant Earth€14,089 EUR

Retailer 9€23,779 EUR

16 data points across 17 retailers

13 retailers€1,807 EUR to €14,089 EUR

Cheapest Retailer

€1,807 EUR

$2,019 USD

Retailer 2

€2,247 EUR

$2,510 USD

View

Retailer 3

€3,091 EUR

$3,453 USD

View

Retailer 4

€3,162 EUR

$3,533 USD

View

Retailer 5

€3,180 EUR

$3,553 USD

View

Retailer 6

€3,743 EUR

$4,182 USD

View

Retailer 7

€5,018 EUR

$5,606 USD

View

Price last confirmed 36 days ago

B+

Retailer 8

€5,763 EUR

$6,439 USD

View

B+

Retailer 9

€6,239 EUR

$6,970 USD

View

B+

Retailer 10

€6,311 EUR

£5,552 GBP

View

B+

Retailer 11

€9,492 EUR

$10,605 USD

View

Retailer 12

€12,433 EUR

$13,890 USD

View

Most Expensive

Brilliant Earth

18495034Y · Oct 28

€14,089 EUR

$15,740 USD

View

12 more retailers have this diamond

Prices start from €1,807 EURSave up to €12,282 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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4.00ct Oval

€1,807 EUR