Cushion|Lab Grown|IGI

4.01ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG828678240

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG828678240

Diamond specifications and retailer prices

From £1,119 GBP
$1,500 USD
As of October 29, 2026
Save £3,970 GBP (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,090 GBP at Brilliant Earth · As of October 30, 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 LG828678240 or 828678240. Listed at 14 retailers as of October 29, 2026, with prices from £1,119 to £5,090, a £3,970 spread on the same certified stone. Brilliant Earth lists it at £5,090. 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 angle39.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828678240
Dimensions11.32 × 8.44 × 5.11 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.32 mm8.44 mm4.01 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828678240
Side View
Table 60.0%Crown 39.3°Girdle: MED-STKPavilion 38.1°Culet: LargeDepth 60.5%

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: £5,090 GBP|Low: £1,072 GBP|High: £5,605 GBP|Avg: £2,261 GBP|-9.2%
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 5£1,072 GBP
Retailer 12£1,119 GBP
Retailer 10£1,202 GBP
Retailer 4£1,343 GBP
Retailer 2£1,510 GBP
Retailer 9£1,534 GBP
Retailer 7£1,659 GBP
Retailer 14£1,896 GBP
Retailer 13£2,476 GBP
Retailer 3£2,593 GBP
Retailer 11£2,911 GBP
Retailer 8£3,463 GBP
Retailer 6£3,760 GBP
Brilliant Earth£5,090 GBP

36 data points across 14 retailers

14 retailers£1,119 GBP to £5,090 GBP

Retailer 1
-
£1,072 GBP
$1,437 USD
Price last confirmed 18 days ago
A
Retailer 2
-
£1,119 GBP
$1,500 USD
View
Final sale: no returns
A
Retailer 3
-
£1,202 GBP
$1,610 USD
View
A
Retailer 4
-
£1,343 GBP
$1,799 USD
View
B+
Retailer 5
-
£1,510 GBP
View
B+
Retailer 6
-
£1,534 GBP
$2,055 USD
View
B+
Retailer 7
-
£1,659 GBP
€2,117 EUR
View
B+
Retailer 8
-
£1,896 GBP
$2,540 USD
View
Retailer 9
-
£2,476 GBP
A$5,104 AUD
View
Price last confirmed 23 days ago
B
Retailer 10
-
£2,593 GBP
View
B
Retailer 11
-
£2,911 GBP
$3,901 USD
View
B
Retailer 12
-
£3,463 GBP
View
Retailer 13
-
£3,760 GBP
$5,038 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21277340A · Oct 30
£5,090 GBP
$6,820 USD
View
13 more retailers have this diamond
Prices start from £1,119 GBPSave up to £3,970 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
£1,119 GBP