Princess|Lab Grown|IGI

6.21ct D VVS1 Princess Lab Grown Diamond

ID • D/VVS1 • IGI LG839659527

Shape and cutting style on the report: Princess cut

Certificate IGI LG839659527

Diamond specifications and retailer prices

From £1,896 GBP

$2,540 USD

As of October 31, 2026

Save £6,672 GBP (78%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £11,804 GBP at Novita Diamonds · As of October 8, 2026

View at Novita Diamonds

About this 6.21ct lab-grown princess diamond

This 6.21ct lab-grown princess sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839659527 or 839659527. Listed at 19 retailers as of October 31, 2026, with a 352% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.21

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle50.3°

Pavilion angle37.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839659527

Dimensions9.91 × 9.67 × 7.07 mm

L/W Ratio1.02

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 LG839659527

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: £5,243 GBP|Low: £1,896 GBP|High: £8,568 GBP|Avg: £4,189 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

Retailer 17

October 31, 2026

Retailer 7£1,896 GBP

Retailer 12£2,004 GBP

Retailer 3£2,086 GBP

Retailer 10£2,703 GBP

Retailer 16£2,806 GBP

Retailer 14£2,973 GBP

Retailer 2£3,009 GBP

Retailer 6£3,644 GBP

Retailer 5£3,731 GBP

Retailer 13£3,800 GBP

Retailer 1£5,243 GBP

Retailer 15£5,356 GBP

Retailer 9£6,860 GBP

Retailer 8£7,006 GBP

Retailer 17£7,198 GBP

Retailer 4£7,520 GBP

Retailer 11£8,568 GBP

21 data points across 17 retailers

19 retailers£1,896 GBP to £8,568 GBP

Cheapest Retailer

£1,896 GBP

$2,540 USD

Final sale: no returns

Retailer 2

£2,004 GBP

View

Retailer 3

£2,086 GBP

$2,795 USD

View

B+

Retailer 4

£2,703 GBP

View

B+

Retailer 5

£2,806 GBP

$3,760 USD

View

B+

Retailer 6

£2,973 GBP

€3,794 EUR

View

B+

Retailer 7

£3,009 GBP

$4,032 USD

View

Retailer 8

£3,644 GBP

A$7,512 AUD

View

Price last confirmed 9 days ago

B+

Retailer 9

£3,731 GBP

View

B+

Retailer 10

£3,800 GBP

ZAR 82,248 ZAR

View

Retailer 11

£5,243 GBP

$7,025 USD

View

B+

Retailer 12

£5,356 GBP

View

Retailer 13

£6,860 GBP

$9,191 USD

View

Retailer 14

£7,006 GBP

SGD 12,686 SGD

View

Retailer 15

£7,198 GBP

$9,644 USD

View

Retailer 16

£7,520 GBP

$10,076 USD

View

Retailer 17

£7,978 GBP

$10,690 USD

View

Price last confirmed 18 days ago

Retailer 18

£8,568 GBP

$11,480 USD

View

Most Expensive

Novita Diamonds

cert_839659527 · Oct 8

£11,804 GBP

A$24,332 AUD

View

Price last confirmed 23 days ago

18 more retailers have this diamond

Prices start from £1,896 GBPSave up to £6,672 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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6.21ct Princess

£1,896 GBP