Cushion|Lab Grown|IGI

6.59ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG797618416

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797618416

Diamond specifications and retailer prices

From £1,633 GBP

$2,192 USD

As of November 1, 2026

Save £5,453 GBP (77%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £10,174 GBP at Queensmith · As of October 9, 2026

View at Queensmith

About this 6.59ct lab-grown cushion diamond

This 6.59ct 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 LG797618416 or 797618416. Listed at 18 retailers as of November 1, 2026, with a 334% 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

6.59

Carat

Colour

VVS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.6°

Pavilion angle36.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG797618416

Dimensions11.36 × 9.70 × 6.87 mm

L/W Ratio1.17

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 LG797618416

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: £2,627 GBP|Low: £1,633 GBP|High: £8,436 GBP|Avg: £3,438 GBP|-7.2%

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

November 2, 2026

Retailer 2£1,633 GBP

Retailer 17£1,692 GBP

Retailer 10£1,752 GBP

Retailer 4£1,818 GBP

Retailer 6£1,899 GBP

Retailer 11£2,328 GBP

Retailer 15£2,418 GBP

Retailer 1£2,627 GBP

Retailer 13£3,135 GBP

Retailer 8£3,214 GBP

Retailer 14£3,274 GBP

Retailer 7£3,697 GBP

Retailer 5£4,560 GBP

Retailer 12£4,832 GBP

Retailer 3£4,833 GBP

Retailer 9£5,924 GBP

Retailer 16£7,087 GBP

34 data points across 17 retailers

18 retailers£1,633 GBP to £7,087 GBP

Cheapest Retailer

£1,633 GBP

$2,192 USD

Final sale: no returns

Retailer 2

£1,692 GBP

$2,271 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

£1,899 GBP

$2,549 USD

View

Retailer 6

£2,328 GBP

View

Retailer 7

£2,418 GBP

$3,245 USD

View

Retailer 8

£2,627 GBP

€3,358 EUR

View

B+

Retailer 9

£3,135 GBP

A$6,473 AUD

View

B+

Retailer 10

£3,214 GBP

View

B+

Retailer 11

£3,274 GBP

ZAR 70,987 ZAR

View

B+

Retailer 12

£3,697 GBP

$4,961 USD

View

B+

Retailer 13

£4,560 GBP

$6,119 USD

View

B+

Retailer 14

£4,832 GBP

View

B+

Retailer 15

£4,833 GBP

$6,486 USD

View

Retailer 16

£5,924 GBP

$7,949 USD

View

Retailer 17

£7,087 GBP

$9,510 USD

View

Most Expensive

Queensmith

LG797618416 · Oct 9

£10,174 GBP

View

Price last confirmed 24 days ago

17 more retailers have this diamond

Prices start from £1,633 GBPSave up to £5,453 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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