Heart|Lab Grown|IGI

1.43ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG818660365

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818660365

Diamond specifications and retailer prices

From £172 GBP

$231 USD

As of October 30, 2026

Save £917 GBP (84%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £1,127 GBP at Brilliant Earth · As of September 28, 2026

View at Brilliant Earth

About this 1.43ct lab-grown heart diamond

This 1.43ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660365 or 818660365. Listed at 18 retailers as of October 30, 2026, with a 532% 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

1.43

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle38.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818660365

Dimensions7.05 × 7.91 × 4.45 mm

L/W Ratio1.12

Girdle conditionFaceted

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 LG818660365

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: £1,090 GBP|Low: £149 GBP|High: £1,090 GBP|Avg: £525 GBP

Brilliant Earth

Retailer 2

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Retailer 17

October 30, 2026

Retailer 3£193 GBP

Retailer 16£200 GBP

Retailer 7£213 GBP

Retailer 13£213 GBP

Retailer 9£343 GBP

Retailer 15£363 GBP

Retailer 11£367 GBP

Retailer 2£403 GBP

Retailer 12£521 GBP

Retailer 8£555 GBP

Retailer 14£562 GBP

Retailer 17£562 GBP

Retailer 6£687 GBP

Retailer 5£690 GBP

Retailer 4£726 GBP

Retailer 10£861 GBP

Brilliant Earth£1,090 GBP

43 data points across 17 retailers

18 retailers£172 GBP to £1,090 GBP

Cheapest Retailer

£172 GBP

$231 USD

Retailer 2

£193 GBP

$259 USD

View

Final sale: no returns

Retailer 3

£200 GBP

$268 USD

View

Retailer 4

£213 GBP

$286 USD

View

Retailer 5

£213 GBP

$286 USD

View

Retailer 6

£363 GBP

$486 USD

View

Retailer 7

£367 GBP

ZAR 7,948 ZAR

View

Retailer 8

£403 GBP

View

B+

Retailer 9

£521 GBP

A$1,075 AUD

View

B+

Retailer 10

£555 GBP

$744 USD

View

B+

Retailer 11

£562 GBP

$753 USD

View

B+

Retailer 12

£562 GBP

$753 USD

View

B+

Retailer 13

£687 GBP

$921 USD

View

B+

Retailer 14

£690 GBP

SGD 1,249 SGD

View

B+

Retailer 15

£726 GBP

$973 USD

View

Retailer 16

£861 GBP

View

Retailer 17

£1,090 GBP

$1,460 USD

View

Most Expensive

Brilliant Earth

21132854A · Sep 28

£1,127 GBP

$1,510 USD

View

Price last confirmed 32 days ago

17 more retailers have this diamond

Prices start from £172 GBPSave up to £917 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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1.43ct Heart

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