Oval|Lab Grown|IGI

4.02ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG780666023

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780666023

Diamond specifications and retailer prices

From $2,431 USD

As of October 29, 2026

Save $13,389 USD (85%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $15,820 USD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct 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 LG780666023 or 780666023. Listed at 15 retailers as of October 29, 2026, with prices from $2,431 to $15,820, a $13,389 spread on the same certified stone. Brilliant Earth lists it at $15,820. 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

4.02

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.9°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG780666023

Dimensions12.55 × 8.86 × 5.59 mm

L/W Ratio1.42

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 LG780666023

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: $15,820 USD|Low: $2,420 USD|High: $24,360 USD|Avg: $7,415 USD|-3.0%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 29, 2026

Retailer 7$2,431 USD

Retailer 5$2,520 USD

Retailer 4$2,532 USD

Retailer 6$3,682 USD

Retailer 9$3,775 USD

Retailer 11$4,222 USD

Retailer 10$4,358 USD

Retailer 12$6,469 USD

Retailer 3$7,050 USD

Retailer 2$7,087 USD

Retailer 8$13,960 USD

Brilliant Earth$15,820 USD

33 data points across 12 retailers

15 retailers$2,431 USD to $15,820 USD

Cheapest Retailer

$2,431 USD

Retailer 2

$2,520 USD

View

Retailer 3

$2,532 USD

View

Final sale: no returns

Retailer 4

$3,221 USD

View

Price last confirmed 25 days ago

Retailer 5

$3,650 USD

View

Price last confirmed 33 days ago

Retailer 6

$3,682 USD

View

Retailer 7

$3,775 USD

View

Retailer 8

$4,222 USD

View

Retailer 9

$4,358 USD

€4,150 EUR

View

Retailer 10

$5,368 USD

View

Price last confirmed 25 days ago

B+

Retailer 11

$6,469 USD

View

B+

Retailer 12

$7,050 USD

View

Price last confirmed 8 days ago

B+

Retailer 13

$7,087 USD

£5,580 GBP

View

Retailer 14

$13,960 USD

View

Most Expensive

Brilliant Earth

18577568Y · Oct 29

$15,820 USD

View

14 more retailers have this diamond

Prices start from $2,431 USDSave up to $13,389 USD

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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4.02ct Oval

$2,431 USD