Oval|Lab Grown|IGI

3.54ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG591346830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG591346830

Diamond specifications and retailer prices

From £376 GBP

$504 USD

As of October 29, 2026

Save £2,296 GBP (86%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £2,672 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.54ct lab-grown oval diamond

This 3.54ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591346830 or 591346830. Listed at 17 retailers as of October 29, 2026, with prices from £376 to £2,672, a £2,296 spread on the same certified stone. Brilliant Earth lists it at £2,672. 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

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG591346830

Dimensions12.20 × 8.70 × 5.43 mm

L/W Ratio1.40

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG591346830

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 29

Current: £2,672 GBP|Low: £259 GBP|High: £3,859 GBP|Avg: £1,050 GBP|-30.8%

Brilliant Earth

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

October 31, 2026

Retailer 4£376 GBP

Retailer 6£402 GBP

Retailer 2£522 GBP

Retailer 14£653 GBP

Retailer 12£691 GBP

Retailer 13£711 GBP

Retailer 8£880 GBP

Retailer 10£904 GBP

Retailer 15£937 GBP

Retailer 7£1,092 GBP

Retailer 11£1,120 GBP

Retailer 3£1,363 GBP

Retailer 5£1,487 GBP

Retailer 9£1,538 GBP

Brilliant Earth£2,672 GBP

31 data points across 15 retailers

17 retailers£376 GBP to £2,672 GBP

Retailer 1

£324 GBP

$434 USD

Price last confirmed 37 days ago

Retailer 2

£363 GBP

$486 USD

View

Price last confirmed 35 days ago

Retailer 3

£376 GBP

$504 USD

View

Final sale: no returns

Retailer 4

£396 GBP

$531 USD

View

Price last confirmed 33 days ago

Retailer 5

£522 GBP

$700 USD

View

B+

Retailer 6

£653 GBP

$875 USD

View

Retailer 7

£691 GBP

€882 EUR

View

Price last confirmed 7 days ago

Retailer 8

£711 GBP

$952 USD

View

Retailer 9

£880 GBP

A$1,814 AUD

View

Retailer 10

£904 GBP

ZAR 19,575 ZAR

View

B+

Retailer 11

£937 GBP

$1,255 USD

View

B+

Retailer 12

£1,120 GBP

$1,501 USD

View

Retailer 13

£1,291 GBP

$1,730 USD

View

Price last confirmed 33 days ago

Retailer 14

£1,363 GBP

$1,826 USD

View

Retailer 15

£1,487 GBP

$1,992 USD

View

Price last confirmed 20 days ago

Retailer 16

£1,538 GBP

View

Most Expensive

Brilliant Earth

7737037A · Oct 30

£2,672 GBP

$3,580 USD

View

16 more retailers have this diamond

Prices start from £376 GBPSave up to £2,296 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 Oval

£376 GBP