Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG826695641

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826695641

Diamond specifications and retailer prices

From £188 GBP

$252 USD

As of November 2, 2026

Save £809 GBP (81%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £997 GBP at With Clarity · As of November 1, 2026

View at With Clarity

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826695641 or 826695641. Listed at 14 retailers as of November 1, 2026, with prices from £188 to £997, a £809 spread on the same certified stone. With Clarity lists it at £997. 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

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG826695641

Dimensions11.64 × 6.06 × 3.87 mm

L/W Ratio1.92

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 LG826695641

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 2

Current: £272 GBP|Low: £183 GBP|High: £998 GBP|Avg: £701 GBP|-3.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

With Clarity

November 2, 2026

Retailer 12£188 GBP

Retailer 9£218 GBP

Retailer 1£272 GBP

Retailer 7£384 GBP

Retailer 6£542 GBP

Retailer 10£715 GBP

Retailer 8£715 GBP

Retailer 3£747 GBP

Retailer 2£847 GBP

Retailer 11£917 GBP

Retailer 5£932 GBP

Retailer 4£962 GBP

With Clarity£997 GBP

31 data points across 13 retailers

14 retailers£188 GBP to £997 GBP

Cheapest Retailer

£188 GBP

$252 USD

Retailer 2

£188 GBP

$252 USD

View

Price last confirmed 10 days ago

Retailer 3

£218 GBP

$292 USD

View

Price last confirmed 12 days ago

Retailer 4

£272 GBP

View

Retailer 5

£384 GBP

€491 EUR

View

Price last confirmed 8 days ago

Retailer 6

£542 GBP

A$1,119 AUD

View

B+

Retailer 7

£715 GBP

$959 USD

View

B+

Retailer 8

£715 GBP

$960 USD

View

Retailer 9

£747 GBP

$1,003 USD

View

Price last confirmed 11 days ago

B+

Retailer 10

£847 GBP

$1,137 USD

View

B+

Retailer 11

£917 GBP

$1,230 USD

View

B+

Retailer 12

£932 GBP

View

Retailer 13

£962 GBP

SGD 1,744 SGD

View

Price last confirmed 21 days ago

Most Expensive

With Clarity

826695641 · Nov 1

£997 GBP

$1,338 USD

View

13 more retailers have this diamond

Prices start from £188 GBPSave up to £809 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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