Radiant|Lab Grown|IGI

3.18ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG821627264

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG821627264

Diamond specifications and retailer prices

From £479 GBP

$638 USD

As of October 30, 2026

Save £3,448 GBP (88%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £3,927 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.18ct lab-grown radiant diamond

This 3.18ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG821627264 or 821627264. Listed at 18 retailers as of October 29, 2026, with prices from £479 to £3,927, a £3,448 spread on the same certified stone. Brilliant Earth lists it at £3,927. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18

Carat

Colour

VVS1

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.2°

Pavilion angle36.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG821627264

Dimensions10.21 × 7.11 × 4.88 mm

L/W Ratio1.44

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

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG821627264

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: £479 GBP|Low: £479 GBP|High: £2,737 GBP|Avg: £1,366 GBP|-3.3%

Retailer 1

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Retailer 10

Retailer 11

Retailer 12

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Retailer 16

October 30, 2026

Retailer 1£479 GBP

Retailer 5£631 GBP

Retailer 4£715 GBP

Retailer 10£829 GBP

Retailer 7£911 GBP

Retailer 9£1,122 GBP

Retailer 16£1,154 GBP

Retailer 8£1,329 GBP

Retailer 12£1,446 GBP

Retailer 6£1,556 GBP

Retailer 2£1,615 GBP

Retailer 15£1,677 GBP

Retailer 13£1,721 GBP

Retailer 11£1,753 GBP

Retailer 14£2,318 GBP

Retailer 3£2,703 GBP

20 data points across 16 retailers

18 retailers£479 GBP to £3,927 GBP

Cheapest Retailer

£479 GBP

$638 USD

Final sale: no returns

Retailer 2

£631 GBP

$840 USD

View

B+

Retailer 3

£715 GBP

$952 USD

View

Retailer 4

£829 GBP

View

Retailer 5

£911 GBP

€1,155 EUR

View

Retailer 6

£1,122 GBP

A$2,298 AUD

View

Retailer 7

£1,154 GBP

ZAR 24,817 ZAR

View

Retailer 8

£1,329 GBP

$1,770 USD

View

B+

Retailer 9

£1,446 GBP

$1,925 USD

View

B+

Retailer 10

£1,556 GBP

View

B+

Retailer 11

£1,615 GBP

$2,151 USD

View

B+

Retailer 12

£1,677 GBP

SGD 3,018 SGD

View

B+

Retailer 13

£1,721 GBP

$2,292 USD

View

B+

Retailer 14

£1,753 GBP

$2,335 USD

View

Retailer 15

£2,234 GBP

A$4,576 AUD

View

Price last confirmed 22 days ago

B+

Retailer 16

£2,318 GBP

View

Retailer 17

£2,703 GBP

$3,600 USD

View

Most Expensive

Brilliant Earth

20908428A · Oct 29

£3,927 GBP

$5,230 USD

View

17 more retailers have this diamond

Prices start from £479 GBPSave up to £3,448 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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£479 GBP