Heart|Lab Grown|IGI

1.07ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG840632238

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632238

Diamond specifications and retailer prices

From £215 GBP

$286 USD

As of October 27, 2026

Save £1,482 GBP (87%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £1,697 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.07ct lab-grown heart diamond

This 1.07ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632238 or 840632238. Listed at 18 retailers as of October 27, 2026, with prices from £215 to £1,697, a £1,482 spread on the same certified stone. Brilliant Earth lists it at £1,697. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.3°

Pavilion angle35.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840632238

Dimensions6.33 × 7.12 × 3.89 mm

L/W Ratio1.12

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG840632238

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 27

Current: £1,697 GBP|Low: £215 GBP|High: £1,697 GBP|Avg: £634 GBP

Brilliant Earth

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October 29, 2026

Retailer 17£215 GBP

Retailer 7£246 GBP

Retailer 15£249 GBP

Retailer 4£267 GBP

Retailer 16£267 GBP

Retailer 13£387 GBP

Retailer 3£439 GBP

Retailer 6£449 GBP

Retailer 11£458 GBP

Retailer 12£468 GBP

Retailer 18£488 GBP

Retailer 9£793 GBP

Retailer 14£819 GBP

Retailer 5£858 GBP

Retailer 8£894 GBP

Retailer 10£1,067 GBP

Retailer 2£1,075 GBP

Brilliant Earth£1,697 GBP

21 data points across 18 retailers

18 retailers£215 GBP to £1,697 GBP

Cheapest Retailer

£215 GBP

$286 USD

Retailer 2

£246 GBP

$327 USD

View

Final sale: no returns

Retailer 3

£249 GBP

$332 USD

View

Retailer 4

£267 GBP

$355 USD

View

Retailer 5

£267 GBP

$355 USD

View

Retailer 6

£387 GBP

$515 USD

View

Retailer 7

£439 GBP

$584 USD

View

Retailer 8

£449 GBP

$598 USD

View

B+

Retailer 9

£458 GBP

ZAR 9,860 ZAR

View

B+

Retailer 10

£468 GBP

View

B+

Retailer 11

£488 GBP

$650 USD

View

B+

Retailer 12

£793 GBP

SGD 1,427 SGD

View

Retailer 13

£819 GBP

$1,091 USD

View

Retailer 14

£858 GBP

$1,142 USD

View

Retailer 15

£894 GBP

$1,191 USD

View

Retailer 16

£1,067 GBP

$1,421 USD

View

Retailer 17

£1,075 GBP

View

Most Expensive

Brilliant Earth

21738450A · Oct 28

£1,697 GBP

$2,260 USD

View

17 more retailers have this diamond

Prices start from £215 GBPSave up to £1,482 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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