Cushion|Lab Grown|IGI

4.06ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG813603660

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG813603660

Diamond specifications and retailer prices

From £662 GBP

$882 USD

As of October 29, 2026

Save £1,924 GBP (74%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £3,169 GBP at Rare Carat · As of October 19, 2026

View at Rare Carat

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG813603660 or 813603660. Listed at 14 retailers as of October 29, 2026, with a 291% 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

4.06

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle38.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG813603660

Dimensions9.30 × 9.12 × 6.02 mm

L/W Ratio1.02

Girdle conditionFaceted

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 LG813603660

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: £3,169 GBP|Low: £662 GBP|High: £3,203 GBP|Avg: £1,646 GBP|-1.1%

Rare Carat

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

October 30, 2026

Retailer 13£662 GBP

Retailer 4£686 GBP

Retailer 11£826 GBP

Retailer 2£1,052 GBP

Retailer 14£1,108 GBP

Retailer 7£1,131 GBP

Retailer 9£1,461 GBP

Retailer 10£1,469 GBP

Retailer 12£1,726 GBP

Retailer 3£2,198 GBP

Retailer 5£2,320 GBP

Retailer 6£2,372 GBP

Retailer 8£2,586 GBP

Rare Carat£3,169 GBP

28 data points across 14 retailers

14 retailers£662 GBP to £2,586 GBP

Cheapest Retailer

£662 GBP

$882 USD

Final sale: no returns

Retailer 2

£686 GBP

$914 USD

View

Price last confirmed 19 days ago

Retailer 3

£826 GBP

$1,100 USD

View

Retailer 4

£1,052 GBP

View

Retailer 5

£1,108 GBP

$1,475 USD

View

Retailer 6

£1,131 GBP

€1,434 EUR

View

Retailer 7

£1,461 GBP

ZAR 31,425 ZAR

View

Retailer 8

£1,469 GBP

A$3,010 AUD

View

Price last confirmed 8 days ago

Retailer 9

£1,726 GBP

$2,298 USD

View

B+

Retailer 10

£2,198 GBP

$2,927 USD

View

B+

Retailer 11

£2,320 GBP

$3,089 USD

View

B+

Retailer 12

£2,372 GBP

$3,159 USD

View

B+

Retailer 13

£2,586 GBP

View

Most Expensive

Rare Carat

1015183 · Oct 19

£3,169 GBP

$4,220 USD

View

Price last confirmed 11 days ago

13 more retailers have this diamond

Prices start from £662 GBPSave up to £1,924 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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