Oval|Lab Grown|IGI

4.54ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG782627183

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG782627183

Diamond specifications and retailer prices

From £3,865 GBP

$5,147 USD

As of October 29, 2026

Save £10,844 GBP (74%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £14,709 GBP at Taylor and Hart · As of October 28, 2026

View at Taylor and Hart

About this 4.54ct lab-grown oval diamond

This 4.54ct 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 LG782627183 or 782627183. Listed at 20 retailers as of October 28, 2026, with prices from £3,865 to £14,709, a £10,844 spread on the same certified stone. Taylor and Hart lists it at £14,709. 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

4.54

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG782627183

Dimensions13.36 × 9.20 × 5.82 mm

L/W Ratio1.45

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG782627183

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: £5,344 GBP|Low: £3,865 GBP|High: £22,106 GBP|Avg: £9,556 GBP|-35.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Taylor and Hart

October 30, 2026

Retailer 4£3,865 GBP

Retailer 3£3,966 GBP

Retailer 10£4,134 GBP

Retailer 2£5,247 GBP

Retailer 12£5,274 GBP

Retailer 1£5,344 GBP

Retailer 14£5,802 GBP

Retailer 9£6,004 GBP

Retailer 6£6,699 GBP

Retailer 13£7,710 GBP

Retailer 8£8,553 GBP

Retailer 7£8,745 GBP

Retailer 11£9,018 GBP

Retailer 5£11,420 GBP

Taylor and Hart£14,709 GBP

41 data points across 15 retailers

20 retailers£3,865 GBP to £14,709 GBP

Cheapest Retailer

£3,865 GBP

$5,147 USD

Retailer 2

£3,966 GBP

$5,282 USD

View

Final sale: no returns

Retailer 3

£4,134 GBP

$5,505 USD

View

Retailer 4

£5,247 GBP

$6,988 USD

View

B+

Retailer 5

£5,274 GBP

$7,023 USD

View

B+

Retailer 6

£5,344 GBP

View

Retailer 7

£5,775 GBP

$7,690 USD

View

Price last confirmed 19 days ago

B+

Retailer 8

£5,802 GBP

View

B+

Retailer 9

£6,004 GBP

$7,995 USD

View

Retailer 10

£6,006 GBP

$7,998 USD

View

Price last confirmed 33 days ago

Retailer 11

£6,607 GBP

$8,798 USD

View

Price last confirmed 38 days ago

Retailer 12

£6,699 GBP

$8,921 USD

View

Price last confirmed 27 days ago

Retailer 13

£6,699 GBP

$8,921 USD

View

Price last confirmed 17 days ago

Retailer 14

£7,533 GBP

$10,032 USD

View

Price last confirmed 22 days ago

B+

Retailer 15

£7,710 GBP

$10,267 USD

View

B+

Retailer 16

£8,553 GBP

View

B+

Retailer 17

£8,745 GBP

ZAR 188,126 ZAR

View

Retailer 18

£9,018 GBP

A$18,475 AUD

View

Price last confirmed 7 days ago

Retailer 19

£11,420 GBP

$15,208 USD

View

Most Expensive

Taylor and Hart

HA1J6LE · Oct 28

£14,709 GBP

$19,588 USD

View

19 more retailers have this diamond

Prices start from £3,865 GBPSave up to £10,844 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

4.54ct Oval

£3,865 GBP