Oval|Lab Grown|IGI

4.00ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG815643590

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815643590

Diamond specifications and retailer prices

From £912 GBP

A$1,868 AUD

As of October 29, 2026

11 retailers carry this diamond

Most expensive: £1,660 GBP at MOH London · As of October 8, 2026

View at MOH London

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG815643590 or 815643590. Listed at 11 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.00

Carat

Colour

SI2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG815643590

Dimensions12.65 × 9.05 × 5.24 mm

L/W Ratio1.40

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG815643590

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £1,660 GBP|Low: £347 GBP|High: £2,010 GBP|Avg: £774 GBP|-17.3%

MOH London

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

Retailer 15

October 29, 2026

Retailer 12£361 GBP

Retailer 10£391 GBP

Retailer 15£404 GBP

Retailer 7£430 GBP

Retailer 5£448 GBP

Retailer 13£448 GBP

Retailer 11£601 GBP

Retailer 8£683 GBP

Retailer 9£741 GBP

Retailer 4£755 GBP

Retailer 2£912 GBP

Retailer 3£970 GBP

Retailer 14£1,111 GBP

Retailer 6£1,440 GBP

MOH London£1,660 GBP

33 data points across 15 retailers

11 retailers

Retailer 1

£361 GBP

$481 USD

Price last confirmed 19 days ago

Retailer 2

£391 GBP

View

Price last confirmed 17 days ago

Retailer 3

£430 GBP

$572 USD

View

Price last confirmed 33 days ago

Retailer 4

£448 GBP

$596 USD

View

Price last confirmed 25 days ago

Retailer 5

£448 GBP

$596 USD

View

Price last confirmed 19 days ago

Retailer 6

£601 GBP

$800 USD

View

Price last confirmed 17 days ago

Retailer 7

£741 GBP

View

Price last confirmed 16 days ago

B+

Retailer 8

£912 GBP

A$1,868 AUD

View

Retailer 9

£1,111 GBP

$1,480 USD

View

Price last confirmed 17 days ago

Retailer 10

£1,440 GBP

$1,917 USD

View

Price last confirmed 22 days ago

Most Expensive

MOH London

LG815643590 · Oct 8

£1,660 GBP

View

Price last confirmed 21 days ago

10 more retailers have this diamond

Prices start from £912 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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