Round|Lab Grown|IGI

3.51ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG735504538

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735504538

Diamond specifications and retailer prices

From £362 GBP

$485 USD

As of October 29, 2026

Save £2,317 GBP (86%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £2,679 GBP at Brilliant Earth · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG735504538 or 735504538. Listed at 18 retailers as of October 29, 2026, with prices from £362 to £2,679, a £2,317 spread on the same certified stone. Brilliant Earth lists it at £2,679. 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

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.3°

Pavilion angle41°

OriginLab Grown

Grading LabIGI

CertificateIGI LG735504538

Dimensions9.85 × 9.83 × 5.88 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

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 LG735504538

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: £2,679 GBP|Low: £348 GBP|High: £2,761 GBP|Avg: £984 GBP|-3.0%

Brilliant Earth

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October 30, 2026

Retailer 17£362 GBP

Retailer 9£405 GBP

Retailer 6£449 GBP

Retailer 18£449 GBP

Retailer 14£552 GBP

Retailer 2£646 GBP

Retailer 8£683 GBP

Retailer 4£699 GBP

Retailer 11£743 GBP

Retailer 13£767 GBP

Retailer 7£878 GBP

Retailer 15£1,206 GBP

Retailer 10£1,308 GBP

Retailer 5£1,443 GBP

Retailer 3£1,678 GBP

Retailer 16£1,683 GBP

Retailer 12£1,883 GBP

Brilliant Earth£2,679 GBP

44 data points across 18 retailers

18 retailers£362 GBP to £2,679 GBP

Cheapest Retailer

£362 GBP

$485 USD

Retailer 2

£405 GBP

$543 USD

View

Retailer 3

£449 GBP

$601 USD

View

Retailer 4

£449 GBP

$601 USD

View

Price last confirmed 14 days ago

Retailer 5

£552 GBP

$740 USD

View

Retailer 6

£646 GBP

View

Retailer 7

£683 GBP

$915 USD

View

B+

Retailer 8

£699 GBP

$937 USD

View

Retailer 9

£743 GBP

View

Retailer 10

£767 GBP

€979 EUR

View

B+

Retailer 11

£878 GBP

$1,176 USD

View

Retailer 12

£1,206 GBP

$1,616 USD

View

B+

Retailer 13

£1,308 GBP

View

Retailer 14

£1,443 GBP

$1,933 USD

View

Retailer 15

£1,464 GBP

$1,961 USD

View

Price last confirmed 12 days ago

Retailer 16

£1,678 GBP

$2,249 USD

View

Retailer 17

£1,883 GBP

View

Most Expensive

Brilliant Earth

15799295A · Oct 29

£2,679 GBP

$3,590 USD

View

17 more retailers have this diamond

Prices start from £362 GBPSave up to £2,317 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

£362 GBP