Heart|Lab Grown|IGI

4.08ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG805643935

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805643935

Diamond specifications and retailer prices

From £423 GBP

As of October 27, 2026

Save £1,687 GBP (80%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £2,110 GBP at MOH London · As of October 26, 2026

View at MOH London

About this 4.08ct lab-grown heart diamond

This 4.08ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805643935 or 805643935. Listed at 15 retailers as of October 26, 2026, with prices from £423 to £2,110, a £1,687 spread on the same certified stone. MOH London lists it at £2,110. 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

4.08

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.9°

Pavilion angle38.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG805643935

Dimensions9.97 × 11.22 × 6.43 mm

L/W Ratio1.13

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 LG805643935

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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

Price History

Last verified: Oct 27

Current: £2,110 GBP|Low: £404 GBP|High: £2,317 GBP|Avg: £925 GBP|-9.0%

MOH London

Retailer 2

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Retailer 11

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Retailer 16

October 31, 2026

Retailer 7£407 GBP

Retailer 10£423 GBP

Retailer 6£455 GBP

Retailer 5£456 GBP

Retailer 15£505 GBP

Retailer 9£545 GBP

Retailer 16£605 GBP

Retailer 4£743 GBP

Retailer 12£779 GBP

Retailer 11£782 GBP

Retailer 13£1,089 GBP

Retailer 8£1,091 GBP

Retailer 14£1,129 GBP

Retailer 3£1,328 GBP

Retailer 2£1,580 GBP

MOH London£2,110 GBP

34 data points across 16 retailers

15 retailers£423 GBP to £2,110 GBP

Retailer 1

£407 GBP

$545 USD

Price last confirmed 7 days ago

Retailer 2

£423 GBP

View

Retailer 3

£456 GBP

$611 USD

View

Retailer 4

£505 GBP

$676 USD

View

Retailer 5

£545 GBP

HK$5,700 HKD

View

Retailer 6

£605 GBP

$810 USD

View

B+

Retailer 7

£743 GBP

$996 USD

View

B+

Retailer 8

£779 GBP

$1,044 USD

View

B+

Retailer 9

£782 GBP

View

B+

Retailer 10

£1,089 GBP

$1,459 USD

View

Retailer 11

£1,091 GBP

A$2,248 AUD

View

Retailer 12

£1,129 GBP

$1,513 USD

View

Retailer 13

£1,328 GBP

$1,779 USD

View

Retailer 14

£1,580 GBP

SGD 2,861 SGD

View

Most Expensive

MOH London

LG805643935 · Oct 26

£2,110 GBP

View

14 more retailers have this diamond

Prices start from £423 GBPSave up to £1,687 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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