Cushion|Lab Grown|IGI

4.01ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG818616046

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

Certificate IGI LG818616046

Diamond specifications and retailer prices

From £454 GBP

$608 USD

As of October 29, 2026

Save £4,763 GBP (91%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £5,217 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 4.01ct lab-grown cushion diamond

This 4.01ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818616046 or 818616046. Listed at 14 retailers as of October 28, 2026, with prices from £454 to £5,217, a £4,763 spread on the same certified stone. Brilliant Earth lists it at £5,217. 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

4.01

Carat

Colour

VS2

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle34.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818616046

Dimensions8.73 × 8.70 × 5.99 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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG818616046

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: £5,217 GBP|Low: £421 GBP|High: £188,940 GBP|Avg: £2,231 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

Retailer 14

October 31, 2026

Retailer 13£421 GBP

Retailer 14£454 GBP

Retailer 12£502 GBP

Retailer 2£601 GBP

Retailer 3£673 GBP

Retailer 7£782 GBP

Retailer 8£846 GBP

Retailer 5£1,168 GBP

Retailer 10£1,467 GBP

Retailer 4£1,617 GBP

Retailer 9£1,627 GBP

Retailer 6£1,630 GBP

Retailer 11£2,123 GBP

Brilliant Earth£5,217 GBP

22 data points across 14 retailers

14 retailers£454 GBP to £5,217 GBP

Retailer 1

£421 GBP

Price last confirmed 14 days ago

Retailer 2

£454 GBP

$608 USD

View

Final sale: no returns

Retailer 3

£502 GBP

$673 USD

View

Price last confirmed 13 days ago

Retailer 4

£601 GBP

$805 USD

View

B+

Retailer 5

£673 GBP

$902 USD

View

Retailer 6

£782 GBP

View

Retailer 7

£846 GBP

€1,079 EUR

View

Retailer 8

£1,168 GBP

$1,565 USD

View

B+

Retailer 9

£1,467 GBP

View

B+

Retailer 10

£1,617 GBP

$2,166 USD

View

B+

Retailer 11

£1,627 GBP

$2,180 USD

View

B+

Retailer 12

£1,630 GBP

$2,184 USD

View

Retailer 13

£2,123 GBP

$2,845 USD

View

Price last confirmed 12 days ago

Most Expensive

Brilliant Earth

21799642A · Oct 28

£5,217 GBP

$6,990 USD

View

13 more retailers have this diamond

Prices start from £454 GBPSave up to £4,763 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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