Heart|Lab Grown|IGI

1.59ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG706561557

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG706561557

Diamond specifications and retailer prices

From £268 GBP

$359 USD

As of November 1, 2026

Save £1,070 GBP (80%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £1,338 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

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 LG706561557 or 706561557. Listed at 16 retailers as of October 31, 2026, with prices from £268 to £1,338, a £1,070 spread on the same certified stone. Taylor and Hart lists it at £1,338. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG706561557

Dimensions7.46 × 7.94 × 4.73 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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG706561557

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: Nov 1

Current: £1,190 GBP|Low: £192 GBP|High: £1,338 GBP|Avg: £692 GBP

Retailer 1

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

Taylor and Hart

November 1, 2026

Retailer 12£240 GBP

Retailer 4£268 GBP

Retailer 13£297 GBP

Retailer 6£417 GBP

Retailer 8£418 GBP

Retailer 3£482 GBP

Retailer 10£510 GBP

Retailer 7£530 GBP

Retailer 9£692 GBP

Retailer 11£871 GBP

Retailer 2£955 GBP

Retailer 5£1,072 GBP

Retailer 14£1,141 GBP

Retailer 1£1,190 GBP

Taylor and Hart£1,338 GBP

43 data points across 15 retailers

16 retailers£268 GBP to £1,338 GBP

Retailer 1

£240 GBP

$321 USD

Price last confirmed 13 days ago

Retailer 2

£268 GBP

$359 USD

View

Final sale: no returns

Retailer 3

£278 GBP

$372 USD

View

Price last confirmed 17 days ago

Retailer 4

£297 GBP

$398 USD

View

Price last confirmed 13 days ago

Retailer 5

£417 GBP

$559 USD

View

Retailer 6

£418 GBP

$560 USD

View

B+

Retailer 7

£482 GBP

$646 USD

View

B+

Retailer 8

£510 GBP

ZAR 11,044 ZAR

View

B+

Retailer 9

£530 GBP

View

B+

Retailer 10

£692 GBP

A$1,427 AUD

View

Retailer 11

£871 GBP

$1,167 USD

View

Retailer 12

£955 GBP

$1,279 USD

View

Price last confirmed 12 days ago

Retailer 13

£1,072 GBP

SGD 1,941 SGD

View

Retailer 14

£1,141 GBP

$1,529 USD

View

Retailer 15

£1,190 GBP

View

Most Expensive

Taylor and Hart

KX1U5P0 · Oct 31

£1,338 GBP

$1,793 USD

View

15 more retailers have this diamond

Prices start from £268 GBPSave up to £1,070 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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1.59ct Heart

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