Marquise|Lab Grown|IGI

3.54ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG800615832

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800615832

Diamond specifications and retailer prices

From £340 GBP

$456 USD

As of November 2, 2026

Save £2,399 GBP (88%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,739 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

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 LG800615832 or 800615832. Listed at 19 retailers as of October 31, 2026, with prices from £340 to £2,739, a £2,399 spread on the same certified stone. Brilliant Earth lists it at £2,739. 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

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.4°

Pavilion angle36.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG800615832

Dimensions16.85 × 7.95 × 4.46 mm

L/W Ratio2.12

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 LG800615832

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: £2,739 GBP|Low: £330 GBP|High: £2,746 GBP|Avg: £948 GBP|-0.3%

Brilliant Earth

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November 2, 2026

Retailer 5£340 GBP

Retailer 8£381 GBP

Retailer 16£381 GBP

Retailer 9£422 GBP

Retailer 18£422 GBP

Retailer 10£507 GBP

Retailer 14£526 GBP

Retailer 3£659 GBP

Retailer 2£692 GBP

Retailer 11£890 GBP

Retailer 13£915 GBP

Retailer 15£961 GBP

Retailer 17£981 GBP

Retailer 6£1,355 GBP

Retailer 7£1,379 GBP

Retailer 12£1,557 GBP

Retailer 4£1,578 GBP

Brilliant Earth£2,739 GBP

44 data points across 18 retailers

19 retailers£340 GBP to £2,739 GBP

Cheapest Retailer

£340 GBP

$456 USD

Retailer 2

£381 GBP

$510 USD

View

Retailer 3

£381 GBP

$510 USD

View

Final sale: no returns

Retailer 4

£422 GBP

$565 USD

View

Price last confirmed 17 days ago

Retailer 5

£422 GBP

$565 USD

View

B+

Retailer 6

£507 GBP

$679 USD

View

Retailer 7

£526 GBP

$705 USD

View

Retailer 8

£659 GBP

$883 USD

View

Retailer 9

£692 GBP

View

Retailer 10

£890 GBP

A$1,835 AUD

View

Retailer 11

£915 GBP

ZAR 19,807 ZAR

View

Retailer 12

£961 GBP

$1,288 USD

View

Retailer 13

£981 GBP

$1,314 USD

View

B+

Retailer 14

£1,355 GBP

$1,816 USD

View

B+

Retailer 15

£1,379 GBP

$1,847 USD

View

B+

Retailer 16

£1,557 GBP

View

B+

Retailer 17

£1,578 GBP

$2,114 USD

View

Retailer 18

£2,105 GBP

$2,821 USD

View

Price last confirmed 77 days ago

Most Expensive

Brilliant Earth

20238284A · Oct 31

£2,739 GBP

$3,670 USD

View

18 more retailers have this diamond

Prices start from £340 GBPSave up to £2,399 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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