Cushion|Lab Grown|IGI

4.06ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG811686929

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG811686929

Diamond specifications and retailer prices

From £1,466 GBP

$1,952 USD

As of October 29, 2026

Save £6,629 GBP (82%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £8,095 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

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 LG811686929 or 811686929. Listed at 18 retailers as of October 28, 2026, with prices from £1,466 to £8,095, a £6,629 spread on the same certified stone. Brilliant Earth lists it at £8,095. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.3°

Pavilion angle42.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811686929

Dimensions9.59 × 8.84 × 5.86 mm

L/W Ratio1.08

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG811686929

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: £8,095 GBP|Low: £1,466 GBP|High: £8,095 GBP|Avg: £3,050 GBP

Brilliant Earth

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 30, 2026

Retailer 10£1,466 GBP

Retailer 4£1,519 GBP

Retailer 16£1,645 GBP

Retailer 5£1,966 GBP

Retailer 2£2,154 GBP

Retailer 14£2,172 GBP

Retailer 12£2,326 GBP

Retailer 6£2,343 GBP

Retailer 9£3,147 GBP

Retailer 17£3,211 GBP

Retailer 11£3,233 GBP

Retailer 15£3,260 GBP

Retailer 3£3,833 GBP

Retailer 13£4,361 GBP

Retailer 7£4,382 GBP

Retailer 8£5,327 GBP

Brilliant Earth£8,095 GBP

40 data points across 17 retailers

18 retailers£1,466 GBP to £8,095 GBP

Cheapest Retailer

£1,466 GBP

$1,952 USD

Final sale: no returns

Retailer 2

£1,519 GBP

$2,023 USD

View

Price last confirmed 17 days ago

Retailer 3

£1,645 GBP

$2,190 USD

View

Retailer 4

£1,966 GBP

$2,618 USD

View

Retailer 5

£2,154 GBP

View

B+

Retailer 6

£2,172 GBP

$2,892 USD

View

B+

Retailer 7

£2,326 GBP

€2,950 EUR

View

B+

Retailer 8

£2,343 GBP

$3,120 USD

View

B+

Retailer 9

£3,147 GBP

View

Retailer 10

£3,211 GBP

A$6,578 AUD

View

Price last confirmed 21 days ago

B+

Retailer 11

£3,233 GBP

ZAR 69,557 ZAR

View

Retailer 12

£3,260 GBP

A$6,678 AUD

View

Price last confirmed 7 days ago

B+

Retailer 13

£3,833 GBP

$5,104 USD

View

Retailer 14

£4,093 GBP

$5,451 USD

View

Retailer 15

£4,361 GBP

View

Retailer 16

£4,382 GBP

$5,835 USD

View

Retailer 17

£5,327 GBP

$7,094 USD

View

Most Expensive

Brilliant Earth

20539186A · Oct 28

£8,095 GBP

$10,780 USD

View

17 more retailers have this diamond

Prices start from £1,466 GBPSave up to £6,629 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

4.06ct Cushion

£1,466 GBP