Cushion|Lab Grown|IGI

3.15ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG800602294

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800602294

Diamond specifications and retailer prices

From £603 GBP

$808 USD

As of October 29, 2026

Save £3,018 GBP (83%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £3,621 GBP at Queensmith · As of October 27, 2026

View at Queensmith

About this 3.15ct lab-grown cushion diamond

This 3.15ct 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 LG800602294 or 800602294. Listed at 16 retailers as of October 27, 2026, with prices from £603 to £3,621, a £3,018 spread on the same certified stone. Queensmith lists it at £3,621. 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

3.15

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.7°

Pavilion angle36.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG800602294

Dimensions10.18 × 7.58 × 5.16 mm

L/W Ratio1.34

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 LG800602294

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 29

Current: £727 GBP|Low: £603 GBP|High: £2,647 GBP|Avg: £1,467 GBP|-8.8%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 30, 2026

Retailer 4£603 GBP

Retailer 7£678 GBP

Retailer 1£727 GBP

Retailer 11£772 GBP

Retailer 15£852 GBP

Retailer 8£1,003 GBP

Retailer 12£1,014 GBP

Retailer 2£1,451 GBP

Retailer 10£1,452 GBP

Retailer 5£1,532 GBP

Retailer 14£2,132 GBP

Retailer 13£2,134 GBP

Retailer 3£2,155 GBP

Retailer 9£2,468 GBP

Retailer 6£2,641 GBP

42 data points across 15 retailers

16 retailers£603 GBP to £3,621 GBP

Cheapest Retailer

£603 GBP

$808 USD

Final sale: no returns

Retailer 2

£678 GBP

$909 USD

View

Price last confirmed 13 days ago

Retailer 3

£727 GBP

View

Retailer 4

£772 GBP

$1,035 USD

View

Retailer 5

£852 GBP

$1,142 USD

View

Retailer 6

£1,003 GBP

View

Retailer 7

£1,014 GBP

$1,359 USD

View

Retailer 8

£1,451 GBP

$1,944 USD

View

Retailer 9

£1,452 GBP

ZAR 31,422 ZAR

View

Retailer 10

£1,532 GBP

A$3,157 AUD

View

Price last confirmed 9 days ago

B+

Retailer 11

£2,132 GBP

$2,857 USD

View

B+

Retailer 12

£2,134 GBP

$2,860 USD

View

B+

Retailer 13

£2,155 GBP

$2,888 USD

View

B+

Retailer 14

£2,468 GBP

View

Retailer 15

£2,641 GBP

A$5,445 AUD

View

Price last confirmed 21 days ago

Most Expensive

Queensmith

LG800602294 · Oct 27

£3,621 GBP

View

15 more retailers have this diamond

Prices start from £603 GBPSave up to £3,018 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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