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Cushion|Lab Grown|IGI

4.50ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG840638272

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

Certificate IGI LG840638272

Diamond specifications and retailer prices

From £678 GBP
HK$7,100 HKD
As of October 31, 2026
Save £2,086 GBP (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,764 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG840638272 or 840638272. Listed at 11 retailers as of October 31, 2026, with prices from £678 to £2,764, a £2,086 spread on the same certified stone. With Clarity lists it at £2,764. 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

4.50
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840638272
Dimensions9.91 × 9.51 × 6.22 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.91 mm9.51 mm4.50 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840638272
Side View
Table 62.0%Crown 33.7°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 65.4%

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 31
Current: £916 GBP|Low: £678 GBP|High: £2,764 GBP|Avg: £1,667 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
November 1, 2026
Retailer 6£678 GBP
Retailer 8£857 GBP
Retailer 1£916 GBP
Retailer 9£940 GBP
Retailer 3£946 GBP
Retailer 10£1,322 GBP
Retailer 2£1,991 GBP
Retailer 4£2,396 GBP
Retailer 5£2,444 GBP
Retailer 7£2,452 GBP
With Clarity£2,764 GBP

31 data points across 11 retailers

11 retailers£678 GBP to £2,764 GBP

A
Cheapest Retailer
-
£678 GBP
HK$7,100 HKD
A
Retailer 2
-
£857 GBP
$1,148 USD
View
A
Retailer 3
-
£916 GBP
View
B+
Retailer 4
-
£940 GBP
$1,259 USD
View
A
Retailer 5
-
£946 GBP
€1,207 EUR
View
A
Retailer 6
-
£1,322 GBP
$1,772 USD
View
Retailer 7
-
£1,991 GBP
$2,668 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
£2,396 GBP
A$4,939 AUD
View
B+
Retailer 9
-
£2,444 GBP
View
Retailer 10
-
£2,452 GBP
$3,285 USD
View
Price last confirmed 13 days ago
Most Expensive
B
With Clarity
840638272 · Oct 31
£2,764 GBP
$3,704 USD
View
10 more retailers have this diamond
Prices start from £678 GBPSave up to £2,086 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
4.50ct Cushion
£678 GBP