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Cushion|Lab Grown|IGI

4.01ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG786648928

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG786648928

Diamond specifications and retailer prices

From £635 GBP
$851 USD
As of October 29, 2026
Save £2,186 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,821 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 LG786648928 or 786648928. Listed at 14 retailers as of October 29, 2026, with prices from £635 to £2,821, a £2,186 spread on the same certified stone. Brilliant Earth lists it at £2,821. 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 angle32°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648928
Dimensions12.06 × 8.23 × 5.23 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm8.23 mm4.01 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648928
Side View
Table 64.0%Crown 32°Girdle: MED-THKPavilion 41.2°Culet: LargeDepth 63.5%

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: £2,821 GBP|Low: £453 GBP|High: £5,530 GBP|Avg: £1,711 GBP|-47.5%
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
October 30, 2026
Retailer 13£635 GBP
Retailer 11£658 GBP
Retailer 8£791 GBP
Retailer 12£966 GBP
Retailer 9£972 GBP
Retailer 2£1,008 GBP
Retailer 6£1,053 GBP
Retailer 4£1,223 GBP
Retailer 3£2,047 GBP
Retailer 10£2,139 GBP
Retailer 5£2,272 GBP
Retailer 7£2,471 GBP
Brilliant Earth£2,821 GBP

43 data points across 13 retailers

14 retailers£635 GBP to £2,821 GBP

A
Cheapest Retailer
-
£635 GBP
$851 USD
Final sale: no returns
Retailer 2
-
£658 GBP
$882 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£791 GBP
$1,060 USD
View
A
Retailer 4
-
£966 GBP
$1,294 USD
View
A
Retailer 5
-
£972 GBP
$1,302 USD
View
A
Retailer 6
-
£1,008 GBP
View
A
Retailer 7
-
£1,053 GBP
€1,344 EUR
View
A
Retailer 8
-
£1,223 GBP
$1,639 USD
View
B+
Retailer 9
-
£2,047 GBP
View
B+
Retailer 10
-
£2,139 GBP
$2,866 USD
View
B
Retailer 11
-
£2,225 GBP
$2,981 USD
View
B
Retailer 12
-
£2,272 GBP
$3,044 USD
View
B
Retailer 13
-
£2,471 GBP
View
Most Expensive
B
Brilliant Earth
20664670A · Oct 30
£2,821 GBP
$3,780 USD
View
13 more retailers have this diamond
Prices start from £635 GBPSave up to £2,186 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
£635 GBP