Cushion|Lab Grown|IGI

1.07ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG818662851

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

Certificate IGI LG818662851

Diamond specifications and retailer prices

From £278 GBP

$372 USD

As of October 30, 2026

Save £1,163 GBP (81%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £1,440 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.07ct lab-grown cushion diamond

This 1.07ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818662851 or 818662851. Listed at 15 retailers as of October 30, 2026, with prices from £278 to £1,440, a £1,163 spread on the same certified stone. Brilliant Earth lists it at £1,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.07

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle39.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818662851

Dimensions6.20 × 6.07 × 3.86 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 LG818662851

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: £1,440 GBP|Low: £278 GBP|High: £1,620 GBP|Avg: £736 GBP|-11.1%

Brilliant Earth

Retailer 2

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Retailer 15

October 31, 2026

Retailer 14£278 GBP

Retailer 9£327 GBP

Retailer 7£345 GBP

Retailer 8£466 GBP

Retailer 3£497 GBP

Retailer 13£497 GBP

Retailer 10£501 GBP

Retailer 11£529 GBP

Retailer 5£542 GBP

Retailer 2£551 GBP

Retailer 4£1,022 GBP

Retailer 6£1,022 GBP

Retailer 12£1,207 GBP

Retailer 15£1,235 GBP

Brilliant Earth£1,440 GBP

36 data points across 15 retailers

15 retailers£278 GBP to £1,440 GBP

Cheapest Retailer

£278 GBP

$372 USD

Final sale: no returns

Retailer 2

£327 GBP

View

Retailer 3

£345 GBP

$462 USD

View

Price last confirmed 19 days ago

Retailer 4

£466 GBP

$625 USD

View

Retailer 5

£497 GBP

$666 USD

View

Retailer 6

£497 GBP

$666 USD

View

Retailer 7

£501 GBP

€639 EUR

View

Retailer 8

£529 GBP

ZAR 11,450 ZAR

View

Retailer 9

£542 GBP

$726 USD

View

Retailer 10

£551 GBP

View

B+

Retailer 11

£1,022 GBP

$1,370 USD

View

Retailer 12

£1,022 GBP

$1,370 USD

View

Price last confirmed 12 days ago

Retailer 13

£1,207 GBP

$1,617 USD

View

Retailer 14

£1,235 GBP

View

Most Expensive

Brilliant Earth

21242456A · Oct 30

£1,440 GBP

$1,930 USD

View

14 more retailers have this diamond

Prices start from £278 GBPSave up to £1,163 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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