Marquise|Lab Grown|IGI

3.56ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG819601411

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819601411

Diamond specifications and retailer prices

From £1,559 GBP

CA$2,905 CAD

As of November 2, 2026

Save £691 GBP (31%) vs most expensive(unlock to see where)

8 retailers carry this diamond

Most expensive: £2,250 GBP at The Diamond Guys · As of November 3, 2026

View at The Diamond Guys

About this 3.56ct lab-grown marquise diamond

This 3.56ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819601411 or 819601411. Listed at 8 retailers as of November 2, 2026, with prices from £1,559 to £2,250, a £691 spread on the same certified stone. The Diamond Guys lists it at £2,250. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG819601411

Dimensions16.55 × 7.89 × 4.80 mm

L/W Ratio2.10

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 LG819601411

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: £3,584 GBP|Low: £403 GBP|High: £3,711 GBP|Avg: £1,364 GBP|-3.4%

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

Retailer 15

Retailer 16

The Diamond Guys

October 9, 2026

Retailer 13£403 GBP

Retailer 9£600 GBP

Retailer 4£627 GBP

Retailer 14£647 GBP

Retailer 16£669 GBP

Retailer 12£791 GBP

Retailer 5£800 GBP

Retailer 11£802 GBP

Retailer 15£855 GBP

Retailer 3£1,239 GBP

Retailer 2£1,452 GBP

Retailer 10£1,559 GBP

Retailer 7£1,829 GBP

Retailer 6£1,934 GBP

The Diamond Guys£2,250 GBP

Retailer 8£2,411 GBP

Retailer 1£3,584 GBP

9 data points across 17 retailers

8 retailers£1,559 GBP to £2,250 GBP

Retailer 1

£403 GBP

$541 USD

Price last confirmed 26 days ago

Retailer 2

£800 GBP

$1,073 USD

View

Price last confirmed 27 days ago

Retailer 3

£855 GBP

$1,148 USD

View

Price last confirmed 26 days ago

Retailer 4

£1,239 GBP

$1,662 USD

View

Price last confirmed 26 days ago

Retailer 5

£1,452 GBP

$1,949 USD

View

Price last confirmed 26 days ago

B+

Retailer 6

£1,559 GBP

CA$2,905 CAD

View

Retailer 7

£1,934 GBP

$2,595 USD

View

Price last confirmed 29 days ago

Most Expensive

The Diamond Guys

1988929847 · Nov 3

£2,250 GBP

$3,019 USD

View

7 more retailers have this diamond

Prices start from £1,559 GBPSave up to £691 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.

Similar diamonds

B+

3.56ct Marquise

£1,559 GBP