Round|Lab Grown|IGI

3.74ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG566329539

Shape and cutting style on the report: Round brilliant

Certificate IGI LG566329539

Diamond specifications and retailer prices

From £369 GBP

$491 USD

As of October 29, 2026

Save £1,674 GBP (82%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,043 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.74ct lab-grown round diamond

This 3.74ct lab-grown round 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 LG566329539 or 566329539. Listed at 19 retailers as of October 29, 2026, with prices from £369 to £2,043, a £1,674 spread on the same certified stone. Brilliant Earth lists it at £2,043. 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

3.74

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.6°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG566329539

Dimensions9.93 × 9.87 × 6.16 mm

L/W Ratio1.01

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG566329539

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: £2,043 GBP|Low: £412 GBP|High: £2,140 GBP|Avg: £990 GBP|-4.6%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 30, 2026

Retailer 12£412 GBP

Retailer 9£563 GBP

Retailer 8£614 GBP

Retailer 6£668 GBP

Retailer 11£755 GBP

Retailer 4£888 GBP

Retailer 2£965 GBP

Retailer 7£992 GBP

Retailer 3£1,013 GBP

Retailer 10£1,063 GBP

Retailer 5£1,919 GBP

Brilliant Earth£2,043 GBP

36 data points across 12 retailers

19 retailers£369 GBP to £2,043 GBP

Cheapest Retailer

£369 GBP

$491 USD

Retailer 2

£412 GBP

$549 USD

View

Final sale: no returns

Retailer 3

£413 GBP

$550 USD

View

Retailer 4

£457 GBP

$609 USD

View

Retailer 5

£457 GBP

$609 USD

View

Price last confirmed 13 days ago

Retailer 6

£563 GBP

$750 USD

View

B+

Retailer 7

£614 GBP

$818 USD

View

Retailer 8

£668 GBP

€847 EUR

View

Retailer 9

£755 GBP

$1,006 USD

View

B+

Retailer 10

£888 GBP

$1,183 USD

View

B+

Retailer 11

£965 GBP

A$1,978 AUD

View

Retailer 12

£992 GBP

ZAR 21,348 ZAR

View

B+

Retailer 13

£1,013 GBP

$1,349 USD

View

B+

Retailer 14

£1,063 GBP

$1,415 USD

View

B+

Retailer 15

£1,202 GBP

$1,601 USD

View

Retailer 16

£1,490 GBP

$1,984 USD

View

Retailer 17

£1,593 GBP

$2,122 USD

View

Retailer 18

£1,919 GBP

View

Most Expensive

Brilliant Earth

10790081A · Oct 29

£2,043 GBP

$2,720 USD

View

18 more retailers have this diamond

Prices start from £369 GBPSave up to £1,674 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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3.74ct Round

£369 GBP