Oval|Lab Grown|IGI

3.21ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG784644188

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG784644188

Diamond specifications and retailer prices

From £594 GBP

$796 USD

As of October 29, 2026

Save £4,966 GBP (89%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £5,560 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.21ct lab-grown oval diamond

This 3.21ct 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 LG784644188 or 784644188. Listed at 15 retailers as of October 29, 2026, with prices from £594 to £5,560, a £4,966 spread on the same certified stone. Brilliant Earth lists it at £5,560. 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

3.21

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle38.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG784644188

Dimensions11.94 × 8.26 × 4.93 mm

L/W Ratio1.45

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 LG784644188

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: £5,560 GBP|Low: £594 GBP|High: £9,717 GBP|Avg: £2,984 GBP|-42.8%

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 10£594 GBP

Retailer 4£646 GBP

Retailer 12£847 GBP

Retailer 9£858 GBP

Retailer 11£1,113 GBP

Retailer 15£1,280 GBP

Retailer 14£1,638 GBP

Retailer 8£1,656 GBP

Retailer 3£1,896 GBP

Retailer 5£2,001 GBP

Retailer 16£2,138 GBP

Retailer 2£2,865 GBP

Retailer 6£4,601 GBP

Retailer 7£5,186 GBP

Retailer 13£5,277 GBP

Brilliant Earth£5,560 GBP

35 data points across 16 retailers

15 retailers£594 GBP to £5,560 GBP

Cheapest Retailer

£594 GBP

$796 USD

Retailer 2

£646 GBP

$866 USD

View

Retailer 3

£847 GBP

$1,135 USD

View

Retailer 4

£858 GBP

$1,150 USD

View

Retailer 5

£1,113 GBP

$1,491 USD

View

Retailer 6

£1,280 GBP

€1,633 EUR

View

Retailer 7

£1,638 GBP

$2,195 USD

View

Retailer 8

£1,896 GBP

$2,541 USD

View

Retailer 9

£2,001 GBP

$2,681 USD

View

B+

Retailer 10

£2,138 GBP

$2,865 USD

View

B+

Retailer 11

£2,865 GBP

View

Retailer 12

£4,601 GBP

$6,165 USD

View

Retailer 13

£5,186 GBP

$6,948 USD

View

Retailer 14

£5,277 GBP

$7,070 USD

View

Most Expensive

Brilliant Earth

19020772Y · Oct 31

£5,560 GBP

$7,450 USD

View

14 more retailers have this diamond

Prices start from £594 GBPSave up to £4,966 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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3.21ct Oval

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