Cushion|Lab Grown|IGI

6.66ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG839605879

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839605879

Diamond specifications and retailer prices

From £1,634 GBP

$2,193 USD

As of November 1, 2026

Save £6,622 GBP (80%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £8,256 GBP at With Clarity · As of November 2, 2026

View at With Clarity

About this 6.66ct lab-grown cushion diamond

This 6.66ct lab-grown cushion 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 LG839605879 or 839605879. Listed at 19 retailers as of November 1, 2026, with prices from £1,634 to £8,256, a £6,622 spread on the same certified stone. With Clarity lists it at £8,256. 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

6.66

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.9°

Pavilion angle32.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG839605879

Dimensions13.46 × 9.52 × 6.08 mm

L/W Ratio1.41

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 LG839605879

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: Nov 1

Current: £2,549 GBP|Low: £1,634 GBP|High: £8,385 GBP|Avg: £3,555 GBP|-2.1%

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

With Clarity

November 2, 2026

Retailer 6£1,634 GBP

Retailer 9£1,752 GBP

Retailer 16£1,818 GBP

Retailer 3£1,958 GBP

Retailer 10£2,328 GBP

Retailer 2£2,420 GBP

Retailer 1£2,549 GBP

Retailer 12£3,136 GBP

Retailer 5£3,214 GBP

Retailer 15£3,275 GBP

Retailer 4£3,765 GBP

Retailer 13£4,561 GBP

Retailer 11£4,833 GBP

Retailer 14£5,307 GBP

Retailer 8£5,925 GBP

Retailer 7£6,085 GBP

With Clarity£8,256 GBP

21 data points across 17 retailers

19 retailers£1,634 GBP to £8,256 GBP

Cheapest Retailer

£1,634 GBP

$2,193 USD

Final sale: no returns

Retailer 2

£1,727 GBP

$2,318 USD

View

Price last confirmed 22 days ago

Retailer 3

£1,752 GBP

View

Retailer 4

£1,818 GBP

$2,440 USD

View

Retailer 5

£1,958 GBP

$2,627 USD

View

Retailer 6

£2,328 GBP

View

Retailer 7

£2,420 GBP

$3,248 USD

View

Retailer 8

£2,549 GBP

€3,258 EUR

View

B+

Retailer 9

£3,136 GBP

A$6,474 AUD

View

Retailer 10

£3,214 GBP

View

B+

Retailer 11

£3,275 GBP

ZAR 71,002 ZAR

View

B+

Retailer 12

£3,765 GBP

$5,053 USD

View

B+

Retailer 13

£4,561 GBP

$6,120 USD

View

B+

Retailer 14

£4,833 GBP

View

Retailer 15

£5,307 GBP

A$10,956 AUD

View

B+

Retailer 16

£5,925 GBP

$7,951 USD

View

B+

Retailer 17

£6,085 GBP

SGD 11,035 SGD

View

Retailer 18

£6,606 GBP

$8,865 USD

View

Price last confirmed 20 days ago

Most Expensive

With Clarity

839605879 · Nov 2

£8,256 GBP

$11,079 USD

View

18 more retailers have this diamond

Prices start from £1,634 GBPSave up to £6,622 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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