Oval|Lab Grown|IGI

4.58ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812620290

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620290

Diamond specifications and retailer prices

From £3,022 GBP

$4,049 USD

As of October 29, 2026

Save £8,016 GBP (73%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £11,038 GBP at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 4.58ct lab-grown oval diamond

This 4.58ct 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 LG812620290 or 812620290. Listed at 23 retailers as of October 29, 2026, with prices from £3,022 to £11,038, a £8,016 spread on the same certified stone. Taylor and Hart lists it at £11,038. 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

4.58

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.4°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812620290

Dimensions13.42 × 9.22 × 5.84 mm

L/W Ratio1.46

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812620290

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: £4,088 GBP|Low: £2,291 GBP|High: £11,038 GBP|Avg: £5,259 GBP|+10.8%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 16

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Retailer 18

Retailer 19

Taylor and Hart

October 30, 2026

Retailer 9£2,387 GBP

Retailer 10£2,769 GBP

Retailer 11£2,769 GBP

Retailer 19£3,022 GBP

Retailer 3£3,247 GBP

Retailer 8£3,897 GBP

Retailer 1£4,088 GBP

Retailer 7£4,399 GBP

Retailer 4£4,754 GBP

Retailer 16£4,800 GBP

Retailer 15£5,028 GBP

Retailer 6£5,508 GBP

Retailer 5£5,959 GBP

Retailer 12£6,663 GBP

Retailer 13£6,742 GBP

Retailer 17£7,515 GBP

Retailer 2£8,302 GBP

Retailer 14£8,690 GBP

Retailer 18£8,941 GBP

Taylor and Hart£11,038 GBP

37 data points across 20 retailers

23 retailers£3,022 GBP to £11,038 GBP

Retailer 1

£2,387 GBP

$3,198 USD

Price last confirmed 19 days ago

Retailer 2

£2,387 GBP

$3,198 USD

View

Price last confirmed 37 days ago

Retailer 3

£2,596 GBP

$3,479 USD

View

Price last confirmed 34 days ago

Retailer 4

£2,730 GBP

$3,658 USD

View

Price last confirmed 35 days ago

Retailer 5

£2,769 GBP

$3,710 USD

View

Price last confirmed 27 days ago

Retailer 6

£2,769 GBP

$3,710 USD

View

Price last confirmed 19 days ago

Retailer 7

£3,022 GBP

$4,049 USD

View

Final sale: no returns

Retailer 8

£3,247 GBP

$4,350 USD

View

Retailer 9

£3,459 GBP

$4,635 USD

View

Price last confirmed 22 days ago

Retailer 10

£3,897 GBP

$5,221 USD

View

Retailer 11

£4,088 GBP

View

B+

Retailer 12

£4,754 GBP

$6,370 USD

View

B+

Retailer 13

£4,800 GBP

View

B+

Retailer 14

£5,028 GBP

$6,737 USD

View

Retailer 15

£5,508 GBP

$7,380 USD

View

Price last confirmed 9 days ago

Retailer 16

£5,959 GBP

A$12,284 AUD

View

Price last confirmed 7 days ago

B+

Retailer 17

£6,663 GBP

ZAR 144,217 ZAR

View

B+

Retailer 18

£6,742 GBP

View

Retailer 19

£7,515 GBP

$10,069 USD

View

Retailer 20

£8,302 GBP

$11,124 USD

View

Retailer 21

£8,690 GBP

$11,644 USD

View

Retailer 22

£8,941 GBP

$11,980 USD

View

Most Expensive

Taylor and Hart

BB8J7OA · Oct 30

£11,038 GBP

$14,790 USD

View

22 more retailers have this diamond

Prices start from £3,022 GBPSave up to £8,016 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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