Heart|Lab Grown|IGI

1.56ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG756528155

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG756528155

Diamond specifications and retailer prices

From £212 GBP

$282 USD

As of October 27, 2026

Save £885 GBP (81%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £1,569 GBP at Brilliant Earth · As of October 21, 2026

View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756528155 or 756528155. Listed at 25 retailers as of October 27, 2026, with a 418% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.2°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG756528155

Dimensions7.97 × 7.97 × 7.26 mm

L/W Ratio1.00

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG756528155

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: £1,569 GBP|Low: £204 GBP|High: £1,569 GBP|Avg: £584 GBP

Brilliant Earth

Retailer 2

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Retailer 20

October 29, 2026

Retailer 7£212 GBP

Retailer 5£237 GBP

Retailer 9£263 GBP

Retailer 11£263 GBP

Retailer 3£281 GBP

Retailer 16£353 GBP

Retailer 18£383 GBP

Retailer 13£416 GBP

Retailer 17£452 GBP

Retailer 2£464 GBP

Retailer 14£487 GBP

Retailer 12£517 GBP

Retailer 15£611 GBP

Retailer 20£674 GBP

Retailer 10£845 GBP

Retailer 4£1,012 GBP

Retailer 8£1,042 GBP

Retailer 19£1,060 GBP

Retailer 6£1,094 GBP

Brilliant Earth£1,569 GBP

43 data points across 20 retailers

25 retailers£212 GBP to £1,096 GBP

Cheapest Retailer

£212 GBP

$282 USD

Retailer 2

£237 GBP

$315 USD

View

Final sale: no returns

Retailer 3

£246 GBP

$328 USD

View

Retailer 4

£263 GBP

$350 USD

View

Retailer 5

£263 GBP

$350 USD

View

Retailer 6

£281 GBP

View

Price last confirmed 14 days ago

Retailer 7

£353 GBP

$470 USD

View

Retailer 8

£383 GBP

$510 USD

View

Retailer 9

£416 GBP

€528 EUR

View

B+

Retailer 10

£452 GBP

ZAR 9,718 ZAR

View

B+

Retailer 11

£464 GBP

View

B+

Retailer 12

£487 GBP

A$998 AUD

View

B+

Retailer 13

£502 GBP

$668 USD

View

B+

Retailer 14

£517 GBP

$688 USD

View

B+

Retailer 15

£557 GBP

$741 USD

View

B+

Retailer 16

£611 GBP

A$1,252 AUD

View

B+

Retailer 17

£674 GBP

$897 USD

View

Retailer 18

£845 GBP

$1,125 USD

View

Retailer 19

£883 GBP

$1,176 USD

View

Retailer 20

£1,012 GBP

$1,347 USD

View

Retailer 21

£1,042 GBP

A$2,134 AUD

View

Price last confirmed 22 days ago

Retailer 22

£1,060 GBP

View

Price last confirmed 10 days ago

Retailer 23

£1,094 GBP

$1,456 USD

View

Retailer 24

£1,096 GBP

$1,460 USD

View

Most Expensive

Brilliant Earth

17800923A · Oct 21

£1,569 GBP

$2,090 USD

View

Price last confirmed 8 days ago

24 more retailers have this diamond

Prices start from £212 GBPSave up to £885 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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