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Cushion|Lab Grown|IGI

4.05ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG830674946

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG830674946

Diamond specifications and retailer prices

From £780 GBP
$1,045 USD
As of October 29, 2026
Save £1,719 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,499 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 4.05ct lab-grown cushion diamond

This 4.05ct 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 LG830674946 or 830674946. Listed at 10 retailers as of October 29, 2026, with prices from £780 to £2,499, a £1,719 spread on the same certified stone. MOH London lists it at £2,499. 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

4.05
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830674946
Dimensions11.18 × 8.17 × 5.41 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.18 mm8.17 mm4.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830674946
Side View
Table 56.0%Crown 41.6°Girdle: MED-STKPavilion 39.2°Culet: LargeDepth 66.2%

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: £2,499 GBP|Low: £633 GBP|High: £2,702 GBP|Avg: £1,489 GBP|-7.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 9£633 GBP
Retailer 8£780 GBP
Retailer 3£908 GBP
Retailer 6£954 GBP
Retailer 5£969 GBP
Retailer 2£1,225 GBP
Retailer 7£1,854 GBP
Retailer 4£2,032 GBP
Retailer 10£2,181 GBP
MOH London£2,499 GBP

43 data points across 10 retailers

10 retailers£780 GBP to £2,499 GBP

Retailer 1
-
£633 GBP
$848 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£780 GBP
$1,045 USD
View
A
Retailer 3
-
£908 GBP
$1,216 USD
View
A
Retailer 4
-
£954 GBP
View
A
Retailer 5
-
£969 GBP
$1,299 USD
View
A
Retailer 6
-
£1,225 GBP
$1,641 USD
View
B+
Retailer 7
-
£1,854 GBP
View
B+
Retailer 8
-
£2,032 GBP
$2,723 USD
View
Retailer 9
-
£2,181 GBP
$2,923 USD
View
Price last confirmed 12 days ago
Most Expensive
B
MOH London
LG830674946 · Oct 29
£2,499 GBP
View
9 more retailers have this diamond
Prices start from £780 GBPSave up to £1,719 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
4.05ct Cushion
£780 GBP