Cushion|Lab Grown|IGI

10.03ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG783632947

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

Certificate IGI LG783632947

Diamond specifications and retailer prices

From £2,372 GBP

As of October 30, 2026

Save £14,771 GBP (86%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £17,143 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 10.03ct lab-grown cushion diamond

This 10.03ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783632947 or 783632947. Listed at 18 retailers as of October 29, 2026, with prices from £2,372 to £17,143, a £14,771 spread on the same certified stone. Brilliant Earth lists it at £17,143. 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

10.03

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.7°

Pavilion angle30°

OriginLab Grown

Grading LabIGI

CertificateIGI LG783632947

Dimensions11.96 × 11.96 × 7.41 mm

L/W Ratio1.00

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG783632947

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: £17,143 GBP|Low: £2,372 GBP|High: £17,143 GBP|Avg: £4,920 GBP

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 16

Retailer 17

October 30, 2026

Retailer 2£2,372 GBP

Retailer 5£2,558 GBP

Retailer 7£2,649 GBP

Retailer 16£2,769 GBP

Retailer 8£2,891 GBP

Retailer 15£3,393 GBP

Retailer 10£3,512 GBP

Retailer 11£4,101 GBP

Retailer 6£4,118 GBP

Retailer 12£4,232 GBP

Retailer 9£4,572 GBP

Retailer 14£4,919 GBP

Retailer 13£5,512 GBP

Retailer 4£6,574 GBP

Retailer 3£6,598 GBP

Retailer 17£7,348 GBP

Brilliant Earth£17,143 GBP

40 data points across 17 retailers

18 retailers£2,372 GBP to £17,143 GBP

Cheapest Retailer

£2,372 GBP

Retailer 2

£2,558 GBP

$3,427 USD

View

Final sale: no returns

Retailer 3

£2,649 GBP

$3,550 USD

View

Price last confirmed 18 days ago

Retailer 4

£2,769 GBP

$3,710 USD

View

Retailer 5

£2,891 GBP

$3,873 USD

View

Retailer 6

£3,393 GBP

$4,546 USD

View

Retailer 7

£3,512 GBP

View

Retailer 8

£4,101 GBP

ZAR 88,769 ZAR

View

Retailer 9

£4,118 GBP

$5,517 USD

View

Price last confirmed 9 days ago

B+

Retailer 10

£4,232 GBP

€5,400 EUR

View

B+

Retailer 11

£4,572 GBP

View

Retailer 12

£4,919 GBP

A$10,140 AUD

View

Price last confirmed 8 days ago

B+

Retailer 13

£5,512 GBP

$7,386 USD

View

Retailer 14

£6,574 GBP

A$13,552 AUD

View

Price last confirmed 22 days ago

Retailer 15

£6,598 GBP

$8,841 USD

View

Retailer 16

£7,348 GBP

$9,845 USD

View

Retailer 17

£9,231 GBP

$12,369 USD

View

Most Expensive

Brilliant Earth

20695757A · Oct 29

£17,143 GBP

$22,970 USD

View

17 more retailers have this diamond

Prices start from £2,372 GBPSave up to £14,771 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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