Heart|Lab Grown|IGI

1.04ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG797688151

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797688151

Diamond specifications and retailer prices

From £278 GBP

$373 USD

As of October 30, 2026

Save £1,079 GBP (79%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £1,357 GBP at MOH London · As of October 29, 2026

View at MOH London

About this 1.04ct lab-grown heart diamond

This 1.04ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797688151 or 797688151. Listed at 22 retailers as of October 29, 2026, with prices from £278 to £1,357, a £1,079 spread on the same certified stone. MOH London lists it at £1,357. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG797688151

Dimensions6.52 × 6.94 × 4.03 mm

L/W Ratio1.06

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 LG797688151

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: £1,357 GBP|Low: £267 GBP|High: £1,367 GBP|Avg: £701 GBP|-0.4%

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

October 30, 2026

Retailer 4£278 GBP

Retailer 5£346 GBP

Retailer 2£366 GBP

Retailer 12£459 GBP

Retailer 3£464 GBP

Retailer 10£582 GBP

Retailer 11£594 GBP

Retailer 7£624 GBP

Retailer 9£839 GBP

Retailer 8£864 GBP

Retailer 14£1,014 GBP

Retailer 6£1,111 GBP

Retailer 13£1,224 GBP

MOH London£1,357 GBP

31 data points across 14 retailers

22 retailers£278 GBP to £1,357 GBP

Cheapest Retailer

£278 GBP

$373 USD

Retailer 2

£311 GBP

$417 USD

View

Final sale: no returns

Retailer 3

£323 GBP

$433 USD

View

Retailer 4

£346 GBP

$463 USD

View

Retailer 5

£346 GBP

$463 USD

View

Retailer 6

£366 GBP

View

B+

Retailer 7

£459 GBP

$615 USD

View

B+

Retailer 8

£464 GBP

$622 USD

View

B+

Retailer 9

£485 GBP

$650 USD

View

B+

Retailer 10

£520 GBP

$697 USD

View

B+

Retailer 11

£582 GBP

€743 EUR

View

B+

Retailer 12

£594 GBP

ZAR 12,853 ZAR

View

B+

Retailer 13

£624 GBP

View

B+

Retailer 14

£839 GBP

A$1,730 AUD

View

B+

Retailer 15

£864 GBP

A$1,782 AUD

View

Retailer 16

£1,014 GBP

$1,358 USD

View

Retailer 17

£1,111 GBP

$1,488 USD

View

Retailer 18

£1,140 GBP

$1,527 USD

View

Retailer 19

£1,224 GBP

$1,640 USD

View

Retailer 20

£1,261 GBP

$1,689 USD

View

Retailer 21

£1,304 GBP

$1,747 USD

View

Most Expensive

MOH London

LG797688151 · Oct 29

£1,357 GBP

View

21 more retailers have this diamond

Prices start from £278 GBPSave up to £1,079 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.

Where to buy this spec

See every retailer carrying 1.04ct E IF heart lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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