Heart|Lab Grown|IGI

1.59ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG757503454

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG757503454

Diamond specifications and retailer prices

From £165 GBP

$221 USD

As of October 30, 2026

Save £666 GBP (80%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £831 GBP at Brilliance · As of November 1, 2026

View at Brilliance

About this 1.59ct lab-grown heart diamond

This 1.59ct 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 LG757503454 or 757503454. Listed at 15 retailers as of October 30, 2026, with prices from £165 to £831, a £666 spread on the same certified stone. Brilliance lists it at £831. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle30.7°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG757503454

Dimensions8.30 × 7.29 × 4.56 mm

L/W Ratio1.14

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 LG757503454

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: £831 GBP|Low: £165 GBP|High: £1,217 GBP|Avg: £486 GBP

Brilliance

Retailer 2

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Retailer 18

November 2, 2026

Retailer 7£165 GBP

Retailer 6£191 GBP

Retailer 15£204 GBP

Retailer 3£229 GBP

Retailer 13£239 GBP

Retailer 5£348 GBP

Retailer 11£352 GBP

Retailer 8£363 GBP

Retailer 2£380 GBP

Retailer 18£391 GBP

Retailer 16£396 GBP

Retailer 17£656 GBP

Retailer 14£658 GBP

Retailer 4£695 GBP

Retailer 12£818 GBP

Brilliance£831 GBP

Retailer 9£833 GBP

Retailer 10£1,217 GBP

7 data points across 18 retailers

15 retailers£165 GBP to £831 GBP

Cheapest Retailer

£165 GBP

$221 USD

Retailer 2

£191 GBP

$256 USD

View

Retailer 3

£204 GBP

$273 USD

View

Retailer 4

£229 GBP

HK$2,400 HKD

View

Retailer 5

£239 GBP

View

B+

Retailer 6

£348 GBP

$466 USD

View

Retailer 7

£352 GBP

ZAR 7,627 ZAR

View

Retailer 8

£380 GBP

View

Retailer 9

£391 GBP

$524 USD

View

Retailer 10

£396 GBP

$530 USD

View

B+

Retailer 11

£656 GBP

$879 USD

View

B+

Retailer 12

£658 GBP

$882 USD

View

B+

Retailer 13

£695 GBP

$932 USD

View

Retailer 14

£818 GBP

View

Most Expensive

Brilliance

D46472208 · Nov 1

£831 GBP

$1,113 USD

View

14 more retailers have this diamond

Prices start from £165 GBPSave up to £666 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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