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Cushion|Lab Grown|IGI

4.01ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG823637477

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823637477

Diamond specifications and retailer prices

From £478 GBP
$641 USD
As of October 29, 2026
Save £1,835 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,366 GBP at Brilliant Earth · As of September 24, 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 LG823637477 or 823637477. Listed at 14 retailers as of October 29, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823637477
Dimensions11.59 × 7.87 × 4.99 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.59 mm7.87 mm4.01 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823637477
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 29.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
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: £5,366 GBP|Low: £478 GBP|High: £5,366 GBP|Avg: £1,495 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 30, 2026
Retailer 4£478 GBP
Retailer 14£530 GBP
Retailer 9£627 GBP
Retailer 12£711 GBP
Retailer 7£811 GBP
Retailer 2£828 GBP
Retailer 3£1,175 GBP
Retailer 10£1,197 GBP
Retailer 5£1,547 GBP
Retailer 11£1,604 GBP
Retailer 6£1,717 GBP
Retailer 13£2,161 GBP
Retailer 8£2,314 GBP
Brilliant Earth£5,366 GBP

41 data points across 14 retailers

14 retailers£478 GBP to £2,314 GBP

A
Cheapest Retailer
-
£478 GBP
$641 USD
Final sale: no returns
Retailer 2
-
£530 GBP
$710 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£627 GBP
$840 USD
View
B+
Retailer 4
-
£711 GBP
$952 USD
View
A
Retailer 5
-
£811 GBP
€1,035 EUR
View
A
Retailer 6
-
£828 GBP
View
A
Retailer 7
-
£1,175 GBP
$1,575 USD
View
A
Retailer 8
-
£1,197 GBP
$1,604 USD
View
B+
Retailer 9
-
£1,547 GBP
View
B+
Retailer 10
-
£1,604 GBP
$2,149 USD
View
B+
Retailer 11
-
£1,717 GBP
$2,301 USD
View
Retailer 12
-
£2,161 GBP
A$4,455 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
£2,314 GBP
View
Most Expensive
Brilliant Earth
20997859A · Sep 24
£5,366 GBP
$7,190 USD
View
Price last confirmed 36 days ago
13 more retailers have this diamond
Prices start from £478 GBPSave up to £1,835 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.

A
4.01ct Cushion
£478 GBP