Round|Lab Grown|IGI

3.51ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG804640918

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804640918

Diamond specifications and retailer prices

From £333 GBP

$446 USD

As of October 29, 2026

Save £2,309 GBP (87%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,642 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round 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 LG804640918 or 804640918. Listed at 19 retailers as of October 29, 2026, with prices from £333 to £2,642, a £2,309 spread on the same certified stone. Brilliant Earth lists it at £2,642. 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

3.51

Carat

Colour

VVS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.1°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG804640918

Dimensions9.84 × 9.78 × 5.91 mm

L/W Ratio1.01

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG804640918

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: £2,642 GBP|Low: £413 GBP|High: £3,090 GBP|Avg: £1,064 GBP|-14.5%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

October 30, 2026

Retailer 3£413 GBP

Retailer 10£648 GBP

Retailer 6£649 GBP

Retailer 2£681 GBP

Retailer 11£706 GBP

Retailer 4£872 GBP

Retailer 5£897 GBP

Retailer 8£1,111 GBP

Retailer 7£1,519 GBP

Retailer 9£1,546 GBP

Brilliant Earth£2,642 GBP

40 data points across 11 retailers

19 retailers£333 GBP to £2,642 GBP

Retailer 1

£333 GBP

$446 USD

Price last confirmed 39 days ago

Retailer 2

£333 GBP

$446 USD

View

Retailer 3

£407 GBP

$546 USD

View

Price last confirmed 39 days ago

Retailer 4

£413 GBP

$553 USD

View

Retailer 5

£413 GBP

$553 USD

View

B+

Retailer 6

£648 GBP

$868 USD

View

Retailer 7

£649 GBP

$870 USD

View

Retailer 8

£681 GBP

View

Retailer 9

£706 GBP

$946 USD

View

Retailer 10

£872 GBP

A$1,798 AUD

View

Retailer 11

£897 GBP

ZAR 19,407 ZAR

View

B+

Retailer 12

£937 GBP

$1,255 USD

View

B+

Retailer 13

£1,111 GBP

$1,488 USD

View

Retailer 14

£1,328 GBP

$1,779 USD

View

Price last confirmed 39 days ago

B+

Retailer 15

£1,328 GBP

$1,779 USD

View

B+

Retailer 16

£1,352 GBP

$1,812 USD

View

B+

Retailer 17

£1,519 GBP

View

B+

Retailer 18

£1,546 GBP

$2,071 USD

View

Most Expensive

Brilliant Earth

21393711A · Oct 30

£2,642 GBP

$3,540 USD

View

18 more retailers have this diamond

Prices start from £333 GBPSave up to £2,309 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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3.51ct Round

£333 GBP