Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837605140

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837605140

Diamond specifications and retailer prices

From £189 GBP

$254 USD

As of November 2, 2026

Save £818 GBP (81%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £1,007 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 LG837605140 or 837605140. Listed at 14 retailers as of November 1, 2026, with prices from £189 to £1,007, a £818 spread on the same certified stone. With Clarity lists it at £1,007. 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 angle39°

Pavilion angle40.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG837605140

Dimensions11.95 × 5.93 × 3.77 mm

L/W Ratio2.02

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 LG837605140

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2

Current: £274 GBP|Low: £183 GBP|High: £1,007 GBP|Avg: £649 GBP|-2.2%

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£189 GBP

Retailer 9£220 GBP

Retailer 1£274 GBP

Retailer 7£388 GBP

Retailer 4£488 GBP

Retailer 6£547 GBP

Retailer 10£721 GBP

Retailer 8£723 GBP

Retailer 3£755 GBP

Retailer 2£856 GBP

Retailer 11£917 GBP

Retailer 5£941 GBP

With Clarity£1,007 GBP

31 data points across 13 retailers

14 retailers£189 GBP to £1,007 GBP

Cheapest Retailer

£189 GBP

$254 USD

Retailer 2

£189 GBP

$254 USD

View

Price last confirmed 10 days ago

Retailer 3

£220 GBP

$295 USD

View

Price last confirmed 12 days ago

Retailer 4

£274 GBP

View

Retailer 5

£388 GBP

€496 EUR

View

Price last confirmed 8 days ago

Retailer 6

£488 GBP

$655 USD

View

Retailer 7

£547 GBP

A$1,130 AUD

View

B+

Retailer 8

£721 GBP

$968 USD

View

B+

Retailer 9

£723 GBP

$970 USD

View

Retailer 10

£755 GBP

$1,013 USD

View

Price last confirmed 11 days ago

B+

Retailer 11

£856 GBP

$1,149 USD

View

Retailer 12

£917 GBP

$1,230 USD

View

B+

Retailer 13

£941 GBP

View

Most Expensive

With Clarity

837605140 · Nov 1

£1,007 GBP

$1,352 USD

View

13 more retailers have this diamond

Prices start from £189 GBPSave up to £818 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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