Oval|Lab Grown|IGI

3.99ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG784644621

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784644621

Diamond specifications and retailer prices

From £1,381 GBP

$1,850 USD

As of October 29, 2026

Save £6,314 GBP (82%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £7,695 GBP at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 3.99ct lab-grown oval diamond

This 3.99ct 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 LG784644621 or 784644621. Listed at 14 retailers as of October 29, 2026, with prices from £1,381 to £7,695, a £6,314 spread on the same certified stone. Do Amore Diamonds lists it at £7,695. 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

3.99

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784644621

Dimensions12.62 × 8.98 × 5.43 mm

L/W Ratio1.41

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 LG784644621

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: £7,695 GBP|Low: £1,381 GBP|High: £13,971 GBP|Avg: £4,678 GBP|-44.9%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 7£1,381 GBP

Retailer 9£1,417 GBP

Retailer 8£2,044 GBP

Retailer 10£2,295 GBP

Retailer 11£2,391 GBP

Retailer 4£2,538 GBP

Retailer 12£3,150 GBP

Retailer 3£3,612 GBP

Retailer 5£4,113 GBP

Retailer 6£4,810 GBP

Retailer 2£7,262 GBP

Do Amore Diamonds£7,695 GBP

31 data points across 12 retailers

14 retailers£1,381 GBP to £7,695 GBP

Cheapest Retailer

£1,381 GBP

$1,850 USD

Retailer 2

£1,417 GBP

$1,898 USD

View

Retailer 3

£1,802 GBP

$2,414 USD

View

Price last confirmed 29 days ago

Retailer 4

£2,042 GBP

$2,736 USD

View

Price last confirmed 34 days ago

Retailer 5

£2,044 GBP

$2,739 USD

View

Retailer 6

£2,295 GBP

$3,075 USD

View

Retailer 7

£2,391 GBP

€3,051 EUR

View

B+

Retailer 8

£3,150 GBP

$4,221 USD

View

Retailer 9

£3,303 GBP

$4,425 USD

View

Price last confirmed 30 days ago

B+

Retailer 10

£3,612 GBP

$4,840 USD

View

B+

Retailer 11

£4,113 GBP

View

B+

Retailer 12

£4,810 GBP

$6,445 USD

View

Retailer 13

£7,262 GBP

$9,730 USD

View

Most Expensive

Do Amore Diamonds

27-D9B315FDD · Oct 29

£7,695 GBP

$10,310 USD

View

13 more retailers have this diamond

Prices start from £1,381 GBPSave up to £6,314 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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3.99ct Oval

£1,381 GBP