Cushion|Lab Grown|IGI

2.42ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG812621667

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

Certificate IGI LG812621667

Diamond specifications and retailer prices

From £725 GBP

$972 USD

As of October 30, 2026

Save £2,372 GBP (77%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £3,097 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 2.42ct lab-grown cushion diamond

This 2.42ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621667 or 812621667. Listed at 17 retailers as of October 29, 2026, with prices from £725 to £3,097, a £2,372 spread on the same certified stone. Brilliant Earth lists it at £3,097. 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

2.42

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle39.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812621667

Dimensions8.02 × 7.90 × 5.13 mm

L/W Ratio1.02

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG812621667

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 30

Current: £3,097 GBP|Low: £725 GBP|High: £3,097 GBP|Avg: £1,754 GBP

Brilliant Earth

Retailer 2

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Retailer 17

October 30, 2026

Retailer 16£725 GBP

Retailer 8£796 GBP

Retailer 14£959 GBP

Retailer 4£1,131 GBP

Retailer 2£1,156 GBP

Retailer 10£1,204 GBP

Retailer 13£1,727 GBP

Retailer 6£1,888 GBP

Retailer 17£1,924 GBP

Retailer 11£1,939 GBP

Retailer 9£2,195 GBP

Retailer 15£2,228 GBP

Retailer 7£2,317 GBP

Retailer 12£2,482 GBP

Retailer 3£2,608 GBP

Retailer 5£2,702 GBP

Brilliant Earth£3,097 GBP

42 data points across 17 retailers

17 retailers£725 GBP to £3,097 GBP

Cheapest Retailer

£725 GBP

$972 USD

Final sale: no returns

Retailer 2

£796 GBP

$1,066 USD

View

Price last confirmed 18 days ago

Retailer 3

£959 GBP

$1,285 USD

View

Retailer 4

£1,131 GBP

$1,515 USD

View

Retailer 5

£1,156 GBP

View

Retailer 6

£1,204 GBP

€1,536 EUR

View

Retailer 7

£1,727 GBP

$2,314 USD

View

Retailer 8

£1,888 GBP

A$3,891 AUD

View

Price last confirmed 9 days ago

Retailer 9

£1,924 GBP

$2,578 USD

View

Retailer 10

£1,939 GBP

ZAR 41,970 ZAR

View

B+

Retailer 11

£2,195 GBP

View

B+

Retailer 12

£2,228 GBP

$2,985 USD

View

Retailer 13

£2,317 GBP

$3,105 USD

View

Price last confirmed 9 days ago

B+

Retailer 14

£2,482 GBP

$3,326 USD

View

B+

Retailer 15

£2,608 GBP

$3,494 USD

View

B+

Retailer 16

£2,702 GBP

View

Most Expensive

B+

Brilliant Earth

20912569A · Oct 29

£3,097 GBP

$4,150 USD

View

16 more retailers have this diamond

Prices start from £725 GBPSave up to £2,372 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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