Cushion|Lab Grown|IGI

3.51ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG752556423

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752556423

Diamond specifications and retailer prices

From £763 GBP

$1,022 USD

As of October 31, 2026

Save £4,536 GBP (86%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: £5,299 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG752556423 or 752556423. Listed at 23 retailers as of October 31, 2026, with prices from £763 to £5,299, a £4,536 spread on the same certified stone. Brilliant Earth lists it at £5,299. 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

3.51

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle40.9°

Pavilion angle32.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG752556423

Dimensions10.35 × 7.43 × 4.90 mm

L/W Ratio1.39

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 LG752556423

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 31

Current: £5,299 GBP|Low: £763 GBP|High: £6,717 GBP|Avg: £2,091 GBP|-21.1%

Brilliant Earth

Retailer 2

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November 1, 2026

Retailer 6£763 GBP

Retailer 5£790 GBP

Retailer 3£917 GBP

Retailer 4£918 GBP

Retailer 8£1,007 GBP

Retailer 20£1,131 GBP

Retailer 2£1,217 GBP

Retailer 15£1,257 GBP

Retailer 18£1,562 GBP

Retailer 17£1,784 GBP

Retailer 12£1,805 GBP

Retailer 19£1,835 GBP

Retailer 10£1,925 GBP

Retailer 13£2,472 GBP

Retailer 7£2,588 GBP

Retailer 9£2,652 GBP

Retailer 21£2,683 GBP

Retailer 11£2,746 GBP

Retailer 14£2,847 GBP

Retailer 16£3,127 GBP

Brilliant Earth£5,299 GBP

31 data points across 21 retailers

23 retailers£763 GBP to £5,299 GBP

Cheapest Retailer

£763 GBP

$1,022 USD

Final sale: no returns

Retailer 2

£790 GBP

$1,059 USD

View

Price last confirmed 15 days ago

Retailer 3

£917 GBP

HK$9,600 HKD

View

Retailer 4

£918 GBP

$1,230 USD

View

Retailer 5

£1,007 GBP

$1,349 USD

View

Retailer 6

£1,131 GBP

$1,515 USD

View

Retailer 7

£1,217 GBP

View

Retailer 8

£1,257 GBP

€1,604 EUR

View

Retailer 9

£1,562 GBP

$2,093 USD

View

B+

Retailer 10

£1,784 GBP

A$3,678 AUD

View

B+

Retailer 11

£1,805 GBP

$2,418 USD

View

B+

Retailer 12

£1,835 GBP

ZAR 39,715 ZAR

View

B+

Retailer 13

£1,925 GBP

$2,579 USD

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B+

Retailer 14

£2,184 GBP

View

B+

Retailer 15

£2,346 GBP

$3,143 USD

View

B+

Retailer 16

£2,472 GBP

$3,312 USD

View

B+

Retailer 17

£2,588 GBP

$3,468 USD

View

B+

Retailer 18

£2,652 GBP

SGD 4,802 SGD

View

B+

Retailer 19

£2,683 GBP

View

B+

Retailer 20

£2,746 GBP

$3,680 USD

View

Retailer 21

£2,843 GBP

$3,809 USD

View

B+

Retailer 22

£3,127 GBP

A$6,446 AUD

View

Most Expensive

Brilliant Earth

16855551A · Oct 31

£5,299 GBP

$7,100 USD

View

22 more retailers have this diamond

Prices start from £763 GBPSave up to £4,536 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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3.51ct Cushion

£763 GBP