Oval|Lab Grown|IGI

3.37ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG747508303

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG747508303

Diamond specifications and retailer prices

From £995 GBP

$1,325 USD

As of October 29, 2026

Save £5,538 GBP (85%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £12,991 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.37ct lab-grown oval diamond

This 3.37ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG747508303 or 747508303. Listed at 15 retailers as of October 29, 2026, with a 557% 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

3.37

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG747508303

Dimensions11.88 × 8.60 × 5.17 mm

L/W Ratio1.38

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 LG747508303

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: £12,991 GBP|Low: £995 GBP|High: £13,389 GBP|Avg: £3,746 GBP|-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

Retailer 13

October 29, 2026

Retailer 6£995 GBP

Retailer 9£996 GBP

Retailer 2£1,250 GBP

Retailer 8£1,363 GBP

Retailer 5£1,494 GBP

Retailer 12£1,586 GBP

Retailer 11£1,838 GBP

Retailer 13£2,039 GBP

Retailer 3£2,437 GBP

Retailer 7£3,198 GBP

Retailer 4£4,280 GBP

Retailer 10£6,533 GBP

Brilliant Earth£12,991 GBP

35 data points across 13 retailers

15 retailers£995 GBP to £6,533 GBP

Cheapest Retailer

£995 GBP

$1,325 USD

A+

Retailer 2

£996 GBP

$1,326 USD

View

Retailer 3

£1,125 GBP

$1,498 USD

View

Retailer 4

£1,154 GBP

$1,537 USD

View

Price last confirmed 28 days ago

Retailer 5

£1,308 GBP

$1,742 USD

View

Price last confirmed 34 days ago

Retailer 6

£1,363 GBP

$1,815 USD

View

Retailer 7

£1,586 GBP

€2,012 EUR

View

Retailer 8

£1,838 GBP

$2,448 USD

View

Retailer 9

£2,039 GBP

$2,715 USD

View

Retailer 10

£2,437 GBP

$3,245 USD

View

Retailer 11

£2,886 GBP

$3,843 USD

View

Price last confirmed 29 days ago

B+

Retailer 12

£3,198 GBP

View

Retailer 13

£4,280 GBP

$5,700 USD

View

Price last confirmed 11 days ago

Retailer 14

£6,533 GBP

$8,700 USD

View

Most Expensive

Brilliant Earth

16777072Y · Oct 29

£12,991 GBP

$17,300 USD

View

Price under review

14 more retailers have this diamond

Prices start from £995 GBPSave up to £5,538 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.

Similar diamonds

A+

3.37ct Oval

£995 GBP