Radiant|Lab Grown|IGI

6.64ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG841650893

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

Certificate IGI LG841650893

Diamond specifications and retailer prices

From £2,181 GBP

$2,922 USD

As of October 31, 2026

Save £5,695 GBP (72%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £7,876 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 6.64ct lab-grown radiant diamond

This 6.64ct 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 LG841650893 or 841650893. Listed at 17 retailers as of October 31, 2026, with prices from £2,181 to £7,876, a £5,695 spread on the same certified stone. Taylor and Hart lists it at £7,876. 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

6.64

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.7°

Pavilion angle33.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG841650893

Dimensions14.12 × 8.80 × 5.86 mm

L/W Ratio1.60

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 LG841650893

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 31

Current: £4,925 GBP|Low: £2,181 GBP|High: £8,101 GBP|Avg: £4,166 GBP

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Taylor and Hart

October 31, 2026

Retailer 13£2,181 GBP

Retailer 8£2,311 GBP

Retailer 12£2,345 GBP

Retailer 4£2,381 GBP

Retailer 10£3,050 GBP

Retailer 6£3,247 GBP

Retailer 11£3,314 GBP

Retailer 9£3,415 GBP

Retailer 3£3,912 GBP

Retailer 7£4,239 GBP

Retailer 15£4,288 GBP

Retailer 14£4,370 GBP

Retailer 1£4,925 GBP

Retailer 2£5,739 GBP

Retailer 16£6,078 GBP

Retailer 5£7,570 GBP

Taylor and Hart£7,876 GBP

21 data points across 17 retailers

17 retailers£2,181 GBP to £7,876 GBP

Cheapest Retailer

£2,181 GBP

$2,922 USD

Final sale: no returns

Retailer 2

£2,311 GBP

$3,096 USD

View

Price last confirmed 19 days ago

Retailer 3

£2,345 GBP

View

Retailer 4

£2,381 GBP

$3,190 USD

View

B+

Retailer 5

£3,050 GBP

View

B+

Retailer 6

£3,247 GBP

$4,350 USD

View

B+

Retailer 7

£3,314 GBP

$4,440 USD

View

B+

Retailer 8

£3,415 GBP

€4,358 EUR

View

B+

Retailer 9

£3,912 GBP

$5,241 USD

View

Retailer 10

£4,239 GBP

A$8,739 AUD

View

Price last confirmed 9 days ago

B+

Retailer 11

£4,288 GBP

View

B+

Retailer 12

£4,370 GBP

ZAR 94,596 ZAR

View

Retailer 13

£4,925 GBP

A$10,153 AUD

View

Retailer 14

£5,739 GBP

$7,689 USD

View

Retailer 15

£6,078 GBP

View

Retailer 16

£7,570 GBP

SGD 13,707 SGD

View

Most Expensive

Taylor and Hart

J440QTM · Oct 31

£7,876 GBP

$10,553 USD

View

16 more retailers have this diamond

Prices start from £2,181 GBPSave up to £5,695 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.

Similar diamonds

6.64ct Radiant

£2,181 GBP