Oval|Lab Grown|IGI

3.38ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG728580681

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG728580681

Diamond specifications and retailer prices

From £891 GBP

$1,186 USD

As of October 29, 2026

Save £7,445 GBP (89%) vs most expensive(unlock to see where)

28 retailers carry this diamond

Most expensive: £8,335 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.38ct lab-grown oval diamond

This 3.38ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728580681 or 728580681. Listed at 28 retailers as of October 29, 2026, with prices from £891 to £8,335, a £7,445 spread on the same certified stone. Brilliant Earth lists it at £8,335. 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

3.38

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728580681

Dimensions11.97 × 8.50 × 5.33 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 LG728580681

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: £8,335 GBP|Low: £890 GBP|High: £10,145 GBP|Avg: £2,580 GBP|-17.8%

Brilliant Earth

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October 30, 2026

Retailer 23£891 GBP

Retailer 16£969 GBP

Retailer 8£1,033 GBP

Retailer 20£1,089 GBP

Retailer 21£1,139 GBP

Retailer 25£1,231 GBP

Retailer 2£1,233 GBP

Retailer 5£1,259 GBP

Retailer 13£1,499 GBP

Retailer 24£1,560 GBP

Retailer 7£1,660 GBP

Retailer 14£1,937 GBP

Retailer 3£2,036 GBP

Retailer 19£2,399 GBP

Retailer 17£2,432 GBP

Retailer 4£2,638 GBP

Retailer 22£2,680 GBP

Retailer 10£2,965 GBP

Retailer 9£3,260 GBP

Retailer 6£3,325 GBP

Retailer 15£3,620 GBP

Retailer 11£3,651 GBP

Retailer 12£3,958 GBP

Retailer 18£6,067 GBP

Brilliant Earth£8,335 GBP

27 data points across 25 retailers

28 retailers£891 GBP to £8,335 GBP

Cheapest Retailer

£891 GBP

$1,186 USD

Retailer 2

£969 GBP

$1,291 USD

View

Retailer 3

£1,033 GBP

$1,376 USD

View

Retailer 4

£1,089 GBP

$1,450 USD

View

Retailer 5

£1,139 GBP

$1,517 USD

View

Final sale: no returns

Retailer 6

£1,231 GBP

$1,639 USD

View

Retailer 7

£1,233 GBP

View

Retailer 8

£1,259 GBP

HK$13,100 HKD

View

Retailer 9

£1,499 GBP

View

Retailer 10

£1,560 GBP

$2,078 USD

View

Retailer 11

£1,660 GBP

€2,105 EUR

View

Retailer 12

£1,937 GBP

$2,579 USD

View

Retailer 13

£2,036 GBP

$2,711 USD

View

Retailer 14

£2,205 GBP

A$4,518 AUD

View

Retailer 15

£2,399 GBP

ZAR 51,619 ZAR

View

Retailer 16

£2,432 GBP

A$4,983 AUD

View

Price last confirmed 7 days ago

Retailer 17

£2,598 GBP

View

Price last confirmed 28 days ago

B+

Retailer 18

£2,638 GBP

$3,513 USD

View

B+

Retailer 19

£2,680 GBP

$3,569 USD

View

B+

Retailer 20

£2,965 GBP

$3,949 USD

View

B+

Retailer 21

£3,260 GBP

$4,341 USD

View

B+

Retailer 22

£3,325 GBP

View

B+

Retailer 23

£3,620 GBP

$4,820 USD

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B+

Retailer 24

£3,651 GBP

SGD 6,570 SGD

View

B+

Retailer 25

£3,958 GBP

$5,271 USD

View

Retailer 26

£4,513 GBP

$6,010 USD

View

Price last confirmed 32 days ago

Retailer 27

£6,067 GBP

A$12,430 AUD

View

Price last confirmed 21 days ago

Most Expensive

Brilliant Earth

15744546A · Oct 29

£8,335 GBP

$11,100 USD

View

27 more retailers have this diamond

Prices start from £891 GBPSave up to £7,445 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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3.38ct Oval

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