Cushion|Lab Grown|IGI

3.52ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG671446982

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG671446982

Diamond specifications and retailer prices

From £2,051 GBP

$2,731 USD

As of October 29, 2026

Save £6,637 GBP (76%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £8,688 GBP at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 3.52ct lab-grown cushion diamond

This 3.52ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG671446982 or 671446982. Listed at 22 retailers as of October 29, 2026, with prices from £2,051 to £8,688, a £6,637 spread on the same certified stone. Brilliant Earth lists it at £8,688. 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

3.52

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.4°

Pavilion angle32.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG671446982

Dimensions7.41 × 7.41 × 10.16 mm

L/W Ratio1.00

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 LG671446982

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: £8,688 GBP|Low: £2,051 GBP|High: £8,688 GBP|Avg: £4,654 GBP

Brilliant Earth

Retailer 2

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Retailer 21

October 30, 2026

Retailer 3£2,051 GBP

Retailer 4£2,125 GBP

Retailer 6£2,203 GBP

Retailer 19£2,249 GBP

Retailer 9£2,461 GBP

Retailer 18£2,902 GBP

Retailer 2£2,927 GBP

Retailer 17£3,038 GBP

Retailer 15£3,392 GBP

Retailer 21£3,436 GBP

Retailer 10£4,028 GBP

Retailer 13£4,935 GBP

Retailer 11£5,280 GBP

Retailer 7£5,682 GBP

Retailer 16£5,721 GBP

Retailer 5£6,264 GBP

Retailer 20£7,087 GBP

Retailer 8£7,119 GBP

Retailer 12£7,418 GBP

Retailer 14£7,807 GBP

Brilliant Earth£8,688 GBP

32 data points across 21 retailers

22 retailers£2,051 GBP to £8,688 GBP

Cheapest Retailer

£2,051 GBP

$2,731 USD

Final sale: no returns

Retailer 2

£2,125 GBP

$2,830 USD

View

Price last confirmed 17 days ago

Retailer 3

£2,203 GBP

$2,934 USD

View

Retailer 4

£2,249 GBP

$2,995 USD

View

Retailer 5

£2,461 GBP

HK$25,600 HKD

View

Retailer 6

£2,902 GBP

$3,864 USD

View

Retailer 7

£2,927 GBP

View

Retailer 8

£3,038 GBP

$4,045 USD

View

Retailer 9

£3,392 GBP

€4,302 EUR

View

Retailer 10

£3,436 GBP

$4,576 USD

View

B+

Retailer 11

£4,028 GBP

View

B+

Retailer 12

£4,935 GBP

ZAR 106,177 ZAR

View

B+

Retailer 13

£5,280 GBP

$7,032 USD

View

B+

Retailer 14

£5,403 GBP

$7,195 USD

View

B+

Retailer 15

£5,682 GBP

$7,567 USD

View

B+

Retailer 16

£5,721 GBP

View

B+

Retailer 17

£6,264 GBP

$8,341 USD

View

Retailer 18

£7,087 GBP

A$14,520 AUD

View

Price last confirmed 21 days ago

B+

Retailer 19

£7,119 GBP

SGD 12,811 SGD

View

B+

Retailer 20

£7,418 GBP

$9,879 USD

View

Retailer 21

£7,798 GBP

$10,384 USD

View

Most Expensive

Brilliant Earth

12606779A · Oct 29

£8,688 GBP

$11,570 USD

View

21 more retailers have this diamond

Prices start from £2,051 GBPSave up to £6,637 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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