Radiant|Lab Grown|IGI

6.18ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG840656793

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

Certificate IGI LG840656793

Diamond specifications and retailer prices

From £1,352 GBP

$1,800 USD

As of October 30, 2026

Save £6,288 GBP (82%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £7,639 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 6.18ct lab-grown radiant diamond

This 6.18ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840656793 or 840656793. Listed at 22 retailers as of October 30, 2026, with prices from £1,352 to £7,639, a £6,288 spread on the same certified stone. With Clarity lists it at £7,639. 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

6.18

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.2°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG840656793

Dimensions13.58 × 8.68 × 5.81 mm

L/W Ratio1.56

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG840656793

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: £1,628 GBP|Low: £1,352 GBP|High: £7,760 GBP|Avg: £3,057 GBP|-2.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

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Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

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Retailer 20

With Clarity

October 30, 2026

Retailer 10£1,352 GBP

Retailer 17£1,471 GBP

Retailer 6£1,514 GBP

Retailer 8£1,568 GBP

Retailer 1£1,628 GBP

Retailer 2£1,693 GBP

Retailer 18£1,857 GBP

Retailer 12£2,224 GBP

Retailer 16£2,242 GBP

Retailer 19£2,354 GBP

Retailer 20£2,638 GBP

Retailer 5£2,910 GBP

Retailer 7£2,939 GBP

Retailer 14£3,034 GBP

Retailer 4£3,250 GBP

Retailer 3£3,300 GBP

Retailer 13£4,291 GBP

Retailer 15£4,502 GBP

Retailer 11£5,497 GBP

Retailer 9£5,674 GBP

With Clarity£7,639 GBP

20 data points across 21 retailers

22 retailers£1,352 GBP to £7,639 GBP

Cheapest Retailer

£1,352 GBP

$1,800 USD

Retailer 2

£1,471 GBP

$1,959 USD

View

Retailer 3

£1,514 GBP

$2,016 USD

View

Final sale: no returns

Retailer 4

£1,568 GBP

$2,088 USD

View

Retailer 5

£1,628 GBP

View

Retailer 6

£1,693 GBP

$2,255 USD

View

Retailer 7

£1,857 GBP

$2,473 USD

View

Retailer 8

£2,224 GBP

View

Retailer 9

£2,242 GBP

$2,985 USD

View

Retailer 10

£2,354 GBP

€2,985 EUR

View

Retailer 11

£2,638 GBP

$3,513 USD

View

Retailer 12

£2,910 GBP

A$5,962 AUD

View

Price last confirmed 7 days ago

B+

Retailer 13

£2,939 GBP

$3,914 USD

View

B+

Retailer 14

£3,034 GBP

ZAR 65,281 ZAR

View

B+

Retailer 15

£3,250 GBP

View

B+

Retailer 16

£3,300 GBP

$4,394 USD

View

Retailer 17

£4,291 GBP

$5,714 USD

View

B+

Retailer 18

£4,502 GBP

View

Retailer 19

£4,521 GBP

A$9,262 AUD

View

Price last confirmed 21 days ago

Retailer 20

£5,497 GBP

$7,320 USD

View

B+

Retailer 21

£5,674 GBP

SGD 10,210 SGD

View

Most Expensive

With Clarity

840656793 · Oct 30

£7,639 GBP

$10,173 USD

View

21 more retailers have this diamond

Prices start from £1,352 GBPSave up to £6,288 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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