Cushion|Lab Grown|IGI

2.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG665453660

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665453660

Diamond specifications and retailer prices

From £332 GBP

$442 USD

As of October 28, 2026

Save £2,574 GBP (89%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £2,906 GBP at Brilliant Earth · As of October 24, 2026

View at Brilliant Earth

About this 2.55ct lab-grown cushion diamond

This 2.55ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665453660 or 665453660. Listed at 18 retailers as of October 24, 2026, with prices from £332 to £2,906, a £2,574 spread on the same certified stone. Brilliant Earth lists it at £2,906. 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

2.55

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle38.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG665453660

Dimensions7.93 × 7.78 × 5.19 mm

L/W Ratio1.02

Girdle conditionFaceted

Culet sizePointed

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 LG665453660

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 28

Current: £2,906 GBP|Low: £294 GBP|High: £2,906 GBP|Avg: £926 GBP

Brilliant Earth

Retailer 2

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Retailer 18

October 30, 2026

Retailer 8£332 GBP

Retailer 10£368 GBP

Retailer 16£387 GBP

Retailer 17£518 GBP

Retailer 11£540 GBP

Retailer 4£583 GBP

Retailer 2£604 GBP

Retailer 3£638 GBP

Retailer 6£777 GBP

Retailer 12£815 GBP

Retailer 13£888 GBP

Retailer 7£1,211 GBP

Retailer 9£1,365 GBP

Retailer 5£1,378 GBP

Retailer 15£1,447 GBP

Retailer 14£1,622 GBP

Retailer 18£2,311 GBP

Brilliant Earth£2,906 GBP

37 data points across 18 retailers

18 retailers£332 GBP to £2,906 GBP

Cheapest Retailer

£332 GBP

$442 USD

Final sale: no returns

Retailer 2

£368 GBP

$490 USD

View

Price last confirmed 17 days ago

Retailer 3

£387 GBP

View

Price last confirmed 13 days ago

Retailer 4

£518 GBP

$690 USD

View

Retailer 5

£540 GBP

€685 EUR

View

Retailer 6

£583 GBP

$777 USD

View

Retailer 7

£604 GBP

View

Retailer 8

£638 GBP

$850 USD

View

Retailer 9

£777 GBP

$1,035 USD

View

Retailer 10

£815 GBP

A$1,669 AUD

View

Retailer 11

£888 GBP

ZAR 19,105 ZAR

View

B+

Retailer 12

£1,211 GBP

$1,613 USD

View

B+

Retailer 13

£1,365 GBP

$1,817 USD

View

B+

Retailer 14

£1,378 GBP

$1,835 USD

View

B+

Retailer 15

£1,447 GBP

View

Retailer 16

£1,622 GBP

$2,160 USD

View

Price last confirmed 8 days ago

Retailer 17

£2,311 GBP

$3,077 USD

View

Most Expensive

Brilliant Earth

12336136A · Oct 24

£2,906 GBP

$3,870 USD

View

17 more retailers have this diamond

Prices start from £332 GBPSave up to £2,574 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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