Heart|Lab Grown|IGI

1.72ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG754534268

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754534268

Diamond specifications and retailer prices

From £310 GBP

$415 USD

As of October 30, 2026

Save £705 GBP (69%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £1,015 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.72ct lab-grown heart diamond

This 1.72ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754534268 or 754534268. Listed at 19 retailers as of October 30, 2026, with prices from £310 to £1,015, a £705 spread on the same certified stone. Brilliant Earth lists it at £1,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754534268

Dimensions8.21 × 7.56 × 4.80 mm

L/W Ratio1.09

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 LG754534268

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: £1,015 GBP|Low: £188 GBP|High: £1,262 GBP|Avg: £597 GBP|-17.6%

Brilliant Earth

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 31, 2026

Retailer 4£207 GBP

Retailer 6£310 GBP

Retailer 2£375 GBP

Retailer 11£389 GBP

Retailer 9£435 GBP

Retailer 7£463 GBP

Retailer 3£478 GBP

Retailer 8£537 GBP

Retailer 14£565 GBP

Retailer 13£778 GBP

Retailer 5£906 GBP

Retailer 10£923 GBP

Retailer 12£1,007 GBP

Brilliant Earth£1,015 GBP

41 data points across 14 retailers

19 retailers£310 GBP to £1,015 GBP

Retailer 1

£176 GBP

$236 USD

Price last confirmed 23 days ago

Retailer 2

£204 GBP

$273 USD

View

Price last confirmed 32 days ago

Retailer 3

£218 GBP

$292 USD

View

Price last confirmed 28 days ago

B+

Retailer 4

£310 GBP

$415 USD

View

Retailer 5

£375 GBP

€478 EUR

View

Retailer 6

£389 GBP

ZAR 8,425 ZAR

View

Price last confirmed 8 days ago

Retailer 7

£435 GBP

View

Retailer 8

£463 GBP

$621 USD

View

B+

Retailer 9

£478 GBP

$641 USD

View

Retailer 10

£489 GBP

$655 USD

View

Price last confirmed 18 days ago

B+

Retailer 11

£537 GBP

A$1,106 AUD

View

B+

Retailer 12

£565 GBP

$757 USD

View

Retailer 13

£702 GBP

$940 USD

View

Price last confirmed 30 days ago

Retailer 14

£778 GBP

$1,043 USD

View

Retailer 15

£821 GBP

$1,100 USD

View

Retailer 16

£906 GBP

$1,214 USD

View

Retailer 17

£923 GBP

View

Retailer 18

£1,007 GBP

$1,349 USD

View

Most Expensive

Brilliant Earth

16912259A · Oct 30

£1,015 GBP

$1,360 USD

View

18 more retailers have this diamond

Prices start from £310 GBPSave up to £705 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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