Heart|Lab Grown|IGI

1.11ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836612428

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612428

Diamond specifications and retailer prices

From £222 GBP

$296 USD

As of October 30, 2026

Save £1,535 GBP (87%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,757 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.11ct lab-grown heart diamond

This 1.11ct 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 LG836612428 or 836612428. Listed at 19 retailers as of October 28, 2026, with prices from £222 to £1,757, a £1,535 spread on the same certified stone. Brilliant Earth lists it at £1,757. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.11

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.4°

Pavilion angle35.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836612428

Dimensions6.57 × 7.35 × 3.91 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 LG836612428

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 30

Current: £1,757 GBP|Low: £222 GBP|High: £1,757 GBP|Avg: £643 GBP

Brilliant Earth

Retailer 2

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October 30, 2026

Retailer 10£222 GBP

Retailer 4£258 GBP

Retailer 9£270 GBP

Retailer 16£276 GBP

Retailer 19£276 GBP

Retailer 14£293 GBP

Retailer 3£394 GBP

Retailer 8£452 GBP

Retailer 7£459 GBP

Retailer 12£474 GBP

Retailer 2£489 GBP

Retailer 18£521 GBP

Retailer 17£847 GBP

Retailer 15£886 GBP

Retailer 5£922 GBP

Retailer 11£1,030 GBP

Retailer 13£1,106 GBP

Retailer 6£1,168 GBP

Brilliant Earth£1,757 GBP

18 data points across 19 retailers

19 retailers£222 GBP to £1,757 GBP

Cheapest Retailer

£222 GBP

$296 USD

Retailer 2

£258 GBP

$343 USD

View

Retailer 3

£270 GBP

$359 USD

View

Final sale: no returns

Retailer 4

£276 GBP

$367 USD

View

Retailer 5

£276 GBP

$367 USD

View

Retailer 6

£293 GBP

View

Price last confirmed 13 days ago

Retailer 7

£394 GBP

$525 USD

View

Retailer 8

£452 GBP

$602 USD

View

Retailer 9

£459 GBP

$611 USD

View

B+

Retailer 10

£474 GBP

ZAR 10,192 ZAR

View

B+

Retailer 11

£489 GBP

View

B+

Retailer 12

£521 GBP

$694 USD

View

Retailer 13

£847 GBP

$1,128 USD

View

Retailer 14

£886 GBP

$1,180 USD

View

Retailer 15

£922 GBP

$1,228 USD

View

Retailer 16

£1,030 GBP

SGD 1,854 SGD

View

B+

Retailer 17

£1,106 GBP

View

Retailer 18

£1,168 GBP

$1,556 USD

View

Most Expensive

Brilliant Earth

21813776A · Oct 28

£1,757 GBP

$2,340 USD

View

18 more retailers have this diamond

Prices start from £222 GBPSave up to £1,535 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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1.11ct Heart

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