Marquise|Lab Grown|IGI

3.92ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG669468091

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG669468091

Diamond specifications and retailer prices

From £633 GBP

$848 USD

As of October 30, 2026

Save £5,815 GBP (90%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: £6,448 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.92ct lab-grown marquise diamond

This 3.92ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG669468091 or 669468091. Listed at 30 retailers as of October 30, 2026, with prices from £633 to £6,448, a £5,815 spread on the same certified stone. Brilliant Earth lists it at £6,448. 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

3.92

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG669468091

Dimensions15.55 × 8.22 × 5.22 mm

L/W Ratio1.89

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 LG669468091

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: Oct 30

Current: £6,448 GBP|Low: £599 GBP|High: £6,515 GBP|Avg: £2,215 GBP|-1.0%

Brilliant Earth

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October 30, 2026

Retailer 8£633 GBP

Retailer 24£688 GBP

Retailer 18£718 GBP

Retailer 3£734 GBP

Retailer 7£866 GBP

Retailer 10£1,149 GBP

Retailer 20£1,222 GBP

Retailer 4£1,235 GBP

Retailer 13£1,245 GBP

Retailer 11£1,390 GBP

Retailer 23£1,827 GBP

Retailer 21£1,881 GBP

Retailer 6£1,957 GBP

Retailer 25£2,017 GBP

Retailer 17£2,241 GBP

Retailer 9£2,277 GBP

Retailer 12£2,322 GBP

Retailer 2£2,394 GBP

Retailer 14£2,411 GBP

Retailer 19£2,641 GBP

Retailer 22£2,751 GBP

Retailer 16£2,861 GBP

Retailer 26£3,420 GBP

Retailer 15£4,288 GBP

Retailer 5£5,620 GBP

Brilliant Earth£6,448 GBP

23 data points across 26 retailers

30 retailers£633 GBP to £6,448 GBP

Cheapest Retailer

£633 GBP

$848 USD

Retailer 2

£688 GBP

$922 USD

View

Retailer 3

£718 GBP

$962 USD

View

Final sale: no returns

Retailer 4

£734 GBP

$983 USD

View

Price last confirmed 14 days ago

Retailer 5

£734 GBP

$983 USD

View

Retailer 6

£866 GBP

$1,160 USD

View

Retailer 7

£1,149 GBP

$1,540 USD

View

Retailer 8

£1,222 GBP

€1,560 EUR

View

Retailer 9

£1,235 GBP

$1,655 USD

View

Retailer 10

£1,245 GBP

View

Retailer 11

£1,390 GBP

$1,862 USD

View

Retailer 12

£1,827 GBP

A$3,767 AUD

View

Price last confirmed 9 days ago

B+

Retailer 13

£1,881 GBP

ZAR 40,711 ZAR

View

Retailer 14

£1,957 GBP

$2,622 USD

View

Price last confirmed 7 days ago

B+

Retailer 15

£2,017 GBP

CA$3,753 CAD

View

B+

Retailer 16

£2,241 GBP

View

B+

Retailer 17

£2,277 GBP

$3,051 USD

View

B+

Retailer 18

£2,322 GBP

$3,111 USD

View

B+

Retailer 19

£2,394 GBP

View

B+

Retailer 20

£2,411 GBP

$3,231 USD

View

Retailer 21

£2,641 GBP

A$5,445 AUD

View

Price last confirmed 22 days ago

B+

Retailer 22

£2,751 GBP

View

B+

Retailer 23

£2,861 GBP

$3,833 USD

View

B+

Retailer 24

£2,886 GBP

$3,867 USD

View

Retailer 25

£3,420 GBP

$4,582 USD

View

Retailer 26

£4,288 GBP

$5,745 USD

View

Retailer 27

£4,933 GBP

$6,610 USD

View

Retailer 28

£5,620 GBP

$7,530 USD

View

Retailer 29

£6,317 GBP

$8,464 USD

View

Most Expensive

Brilliant Earth

21686252A · Oct 30

£6,448 GBP

$8,640 USD

View

29 more retailers have this diamond

Prices start from £633 GBPSave up to £5,815 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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3.92ct Marquise

£633 GBP