Oval|Lab Grown|IGI

4.23ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG812638527

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812638527

Diamond specifications and retailer prices

From £1,856 GBP

$2,471 USD

As of October 29, 2026

Save £10,023 GBP (84%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £11,879 GBP at Yadav Diamonds · As of October 29, 2026

View at Yadav Diamonds

About this 4.23ct lab-grown oval diamond

This 4.23ct 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 LG812638527 or 812638527. Listed at 22 retailers as of October 29, 2026, with prices from £1,856 to £11,879, a £10,023 spread on the same certified stone. Yadav Diamonds lists it at £11,879. 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

4.23

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812638527

Dimensions13.35 × 9.26 × 5.52 mm

L/W Ratio1.44

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812638527

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: £4,517 GBP|Low: £1,343 GBP|High: £11,879 GBP|Avg: £4,283 GBP|+13.8%

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Yadav Diamonds

October 29, 2026

Retailer 12£1,856 GBP

Retailer 18£1,899 GBP

Retailer 6£2,046 GBP

Retailer 22£2,172 GBP

Retailer 16£2,279 GBP

Retailer 17£2,658 GBP

Retailer 19£2,738 GBP

Retailer 20£2,914 GBP

Retailer 14£3,079 GBP

Retailer 10£3,087 GBP

Retailer 4£3,584 GBP

Retailer 13£3,988 GBP

Retailer 5£4,028 GBP

Retailer 1£4,517 GBP

Retailer 7£4,989 GBP

Retailer 8£5,266 GBP

Retailer 9£5,269 GBP

Retailer 2£5,374 GBP

Retailer 21£5,713 GBP

Retailer 24£6,360 GBP

Retailer 3£6,428 GBP

Retailer 23£7,403 GBP

Retailer 25£7,988 GBP

Retailer 15£8,900 GBP

Retailer 11£9,079 GBP

Retailer 26£10,295 GBP

Yadav Diamonds£11,879 GBP

25 data points across 27 retailers

22 retailers£1,856 GBP to £11,879 GBP

Retailer 1

£1,603 GBP

$2,135 USD

Price last confirmed 36 days ago

Retailer 2

£1,834 GBP

$2,442 USD

View

Price last confirmed 36 days ago

Retailer 3

£1,856 GBP

$2,471 USD

View

Final sale: no returns

Retailer 4

£2,046 GBP

$2,725 USD

View

Retailer 5

£2,172 GBP

$2,892 USD

View

Retailer 6

£2,279 GBP

$3,035 USD

View

Price last confirmed 26 days ago

Retailer 7

£2,914 GBP

View

Retailer 8

£3,584 GBP

$4,773 USD

View

Retailer 9

£4,028 GBP

View

B+

Retailer 10

£4,517 GBP

ZAR 97,177 ZAR

View

B+

Retailer 11

£4,989 GBP

$6,644 USD

View

B+

Retailer 12

£5,266 GBP

$7,013 USD

View

B+

Retailer 13

£5,269 GBP

$7,017 USD

View

B+

Retailer 14

£5,374 GBP

$7,157 USD

View

B+

Retailer 15

£5,713 GBP

View

B+

Retailer 16

£6,360 GBP

$8,470 USD

View

B+

Retailer 17

£6,428 GBP

View

Retailer 18

£7,403 GBP

$9,858 USD

View

Retailer 19

£7,988 GBP

$10,637 USD

View

Retailer 20

£9,079 GBP

A$18,601 AUD

View

Price last confirmed 28 days ago

Retailer 21

£10,295 GBP

$13,710 USD

View

Most Expensive

Yadav Diamonds

13362555 · Oct 29

£11,879 GBP

$15,819 USD

View

21 more retailers have this diamond

Prices start from £1,856 GBPSave up to £10,023 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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