Marquise|Lab Grown|IGI

3.54ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG766616918

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766616918

Diamond specifications and retailer prices

From £340 GBP

$456 USD

As of November 2, 2026

Save £1,236 GBP (78%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £1,575 GBP at Brilliance · As of November 1, 2026

View at Brilliance

About this 3.54ct lab-grown marquise diamond

This 3.54ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG766616918 or 766616918. Listed at 17 retailers as of November 1, 2026, with prices from £340 to £1,575, a £1,236 spread on the same certified stone. Brilliance lists it at £1,575. 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

3.54

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG766616918

Dimensions15.78 × 7.95 × 4.98 mm

L/W Ratio1.98

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 LG766616918

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: £1,575 GBP|Low: £329 GBP|High: £1,593 GBP|Avg: £833 GBP|-1.1%

Brilliance

Retailer 2

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Retailer 11

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Retailer 16

November 2, 2026

Retailer 4£340 GBP

Retailer 5£380 GBP

Retailer 14£380 GBP

Retailer 12£421 GBP

Retailer 11£525 GBP

Retailer 6£659 GBP

Retailer 2£691 GBP

Retailer 3£714 GBP

Retailer 10£889 GBP

Retailer 15£979 GBP

Retailer 8£1,131 GBP

Retailer 13£1,353 GBP

Retailer 16£1,376 GBP

Retailer 7£1,497 GBP

Retailer 9£1,546 GBP

Brilliance£1,575 GBP

44 data points across 16 retailers

17 retailers£340 GBP to £1,575 GBP

Cheapest Retailer

£340 GBP

$456 USD

Retailer 2

£380 GBP

$510 USD

View

Final sale: no returns

Retailer 3

£380 GBP

$510 USD

View

Retailer 4

£421 GBP

$565 USD

View

Retailer 5

£426 GBP

$571 USD

View

Price last confirmed 17 days ago

Retailer 6

£525 GBP

$705 USD

View

B+

Retailer 7

£659 GBP

$884 USD

View

Retailer 8

£691 GBP

View

Retailer 9

£714 GBP

$958 USD

View

Retailer 10

£889 GBP

A$1,835 AUD

View

Retailer 11

£979 GBP

$1,314 USD

View

Retailer 12

£1,131 GBP

$1,518 USD

View

B+

Retailer 13

£1,353 GBP

$1,816 USD

View

B+

Retailer 14

£1,376 GBP

$1,847 USD

View

B+

Retailer 15

£1,497 GBP

$2,009 USD

View

B+

Retailer 16

£1,546 GBP

View

Most Expensive

B+

Brilliance

D37883666 · Nov 1

£1,575 GBP

$2,114 USD

View

16 more retailers have this diamond

Prices start from £340 GBPSave up to £1,236 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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3.54ct Marquise

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