Oval|Lab Grown|IGI

4.71ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG728540075

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG728540075

Diamond specifications and retailer prices

From £2,486 GBP

As of October 30, 2026

Save £10,400 GBP (81%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: £12,886 GBP at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 4.71ct lab-grown oval diamond

This 4.71ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728540075 or 728540075. Listed at 26 retailers as of October 26, 2026, with prices from £2,486 to £12,886, a £10,400 spread on the same certified stone. Brilliant Earth lists it at £12,886. 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

4.71

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.7°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728540075

Dimensions13.02 × 9.25 × 6.06 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 LG728540075

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 30

Current: £12,886 GBP|Low: £2,478 GBP|High: £12,886 GBP|Avg: £5,509 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 2£2,486 GBP

Retailer 9£2,565 GBP

Retailer 12£2,791 GBP

Retailer 20£2,886 GBP

Retailer 11£2,928 GBP

Retailer 10£2,976 GBP

Retailer 3£3,094 GBP

Retailer 5£3,689 GBP

Retailer 8£3,719 GBP

Retailer 13£3,972 GBP

Retailer 17£4,282 GBP

Retailer 19£4,544 GBP

Retailer 15£4,555 GBP

Retailer 6£5,243 GBP

Retailer 4£5,962 GBP

Retailer 16£6,333 GBP

Retailer 21£6,430 GBP

Retailer 22£7,192 GBP

Retailer 18£7,553 GBP

Retailer 14£10,452 GBP

Retailer 7£11,032 GBP

Brilliant Earth£12,886 GBP

27 data points across 22 retailers

26 retailers£2,486 GBP to £12,886 GBP

Cheapest Retailer

£2,486 GBP

Retailer 2

£2,565 GBP

$3,416 USD

View

Retailer 3

£2,791 GBP

$3,717 USD

View

Retailer 4

£2,886 GBP

$3,843 USD

View

Final sale: no returns

Retailer 5

£2,928 GBP

$3,899 USD

View

Retailer 6

£2,976 GBP

$3,963 USD

View

Retailer 7

£3,094 GBP

$4,120 USD

View

Retailer 8

£3,689 GBP

$4,912 USD

View

Retailer 9

£3,719 GBP

$4,952 USD

View

Retailer 10

£3,846 GBP

$5,121 USD

View

Price last confirmed 15 days ago

Retailer 11

£3,972 GBP

View

Retailer 12

£4,282 GBP

$5,702 USD

View

Retailer 13

£4,544 GBP

€5,763 EUR

View

Retailer 14

£4,555 GBP

View

Retailer 15

£4,925 GBP

$6,558 USD

View

Price last confirmed 17 days ago

B+

Retailer 16

£5,243 GBP

$6,982 USD

View

Retailer 17

£5,962 GBP

$7,940 USD

View

Price last confirmed 8 days ago

B+

Retailer 18

£6,333 GBP

ZAR 136,243 ZAR

View

Retailer 19

£6,430 GBP

A$13,174 AUD

View

Price last confirmed 7 days ago

B+

Retailer 20

£7,192 GBP

$9,578 USD

View

B+

Retailer 21

£7,553 GBP

View

Retailer 22

£10,452 GBP

$13,919 USD

View

Retailer 23

£11,032 GBP

$14,691 USD

View

Retailer 24

£11,238 GBP

A$23,023 AUD

View

Price last confirmed 118 days ago

Retailer 25

£12,886 GBP

$17,160 USD

View

Most Expensive

Brilliant Earth

15530993A · Oct 26

£12,886 GBP

$17,160 USD

View

25 more retailers have this diamond

Prices start from £2,486 GBPSave up to £10,400 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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4.71ct Oval

£2,486 GBP