Cushion|Lab Grown|IGI

6.54ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG815681057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815681057

Diamond specifications and retailer prices

From £857 GBP

As of October 27, 2026

Save £3,911 GBP (82%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £4,768 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 6.54ct lab-grown cushion diamond

This 6.54ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815681057 or 815681057. Listed at 17 retailers as of October 27, 2026, with prices from £857 to £4,768, a £3,911 spread on the same certified stone. Brilliant Earth lists it at £4,768. 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

6.54

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.4°

Pavilion angle33.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG815681057

Dimensions12.64 × 9.44 × 6.29 mm

L/W Ratio1.34

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 LG815681057

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 27

Current: £4,768 GBP|Low: £770 GBP|High: £4,768 GBP|Avg: £2,173 GBP

Brilliant Earth

Retailer 2

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October 29, 2026

Retailer 9£770 GBP

Retailer 14£857 GBP

Retailer 11£913 GBP

Retailer 4£961 GBP

Retailer 8£1,108 GBP

Retailer 2£1,208 GBP

Retailer 15£1,222 GBP

Retailer 3£1,280 GBP

Retailer 18£1,626 GBP

Retailer 6£2,209 GBP

Retailer 5£2,414 GBP

Retailer 7£2,497 GBP

Retailer 13£2,651 GBP

Retailer 17£2,722 GBP

Retailer 10£3,699 GBP

Retailer 12£3,787 GBP

Retailer 16£4,400 GBP

Brilliant Earth£4,768 GBP

35 data points across 18 retailers

17 retailers£857 GBP to £4,768 GBP

Cheapest Retailer

£857 GBP

Retailer 2

£913 GBP

HK$9,500 HKD

View

Retailer 3

£961 GBP

$1,280 USD

View

Retailer 4

£1,108 GBP

$1,475 USD

View

Retailer 5

£1,208 GBP

€1,532 EUR

View

Retailer 6

£1,222 GBP

View

B+

Retailer 7

£1,280 GBP

$1,704 USD

View

Retailer 8

£1,626 GBP

$2,165 USD

View

Retailer 9

£2,209 GBP

View

Retailer 10

£2,414 GBP

$3,215 USD

View

B+

Retailer 11

£2,497 GBP

$3,325 USD

View

B+

Retailer 12

£2,651 GBP

SGD 4,771 SGD

View

Retailer 13

£2,722 GBP

View

Price last confirmed 8 days ago

Retailer 14

£3,699 GBP

A$7,579 AUD

View

Price last confirmed 21 days ago

Retailer 15

£3,787 GBP

$5,043 USD

View

Retailer 16

£4,400 GBP

$5,860 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

20541479A · Oct 29

£4,768 GBP

$6,350 USD

View

16 more retailers have this diamond

Prices start from £857 GBPSave up to £3,911 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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6.54ct Cushion

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