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Cushion|Lab Grown|IGI

4.50ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG800666336

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG800666336

Diamond specifications and retailer prices

From £1,131 GBP
$1,515 USD
As of October 31, 2026
Save £2,353 GBP (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,798 GBP at Taylor and Hart · As of October 18, 2026
View at Taylor and Hart

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 LG800666336 or 800666336. Listed at 16 retailers as of October 27, 2026, with a 208% 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

4.50
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800666336
Dimensions12.66 × 7.98 × 5.10 mm
L/W Ratio1.59
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.66 mm7.98 mm4.50 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800666336
Side View
Table 59.0%Crown 39°Girdle: THK-VTKPavilion 36.8°Culet: NoneDepth 63.9%

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: £1,525 GBP|Low: £746 GBP|High: £6,284 GBP|Avg: £2,236 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13£1,083 GBP
Retailer 4£1,131 GBP
Retailer 11£1,213 GBP
Retailer 3£1,300 GBP
Retailer 1£1,525 GBP
Retailer 10£1,549 GBP
Retailer 6£1,665 GBP
Retailer 2£1,914 GBP
Retailer 5£2,616 GBP
Retailer 7£2,673 GBP
Retailer 12£2,940 GBP
Retailer 8£3,202 GBP
Retailer 9£3,483 GBP

44 data points across 13 retailers

16 retailers£1,131 GBP to £3,483 GBP

Retailer 1
-
£1,083 GBP
$1,451 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£1,131 GBP
$1,515 USD
View
Final sale: no returns
A
Retailer 3
-
£1,213 GBP
$1,625 USD
View
A
Retailer 4
-
£1,300 GBP
$1,742 USD
View
A
Retailer 5
-
£1,469 GBP
$1,968 USD
View
A
Retailer 6
-
£1,525 GBP
View
A
Retailer 7
-
£1,549 GBP
$2,075 USD
View
A
Retailer 8
-
£1,665 GBP
€2,125 EUR
View
B+
Retailer 9
-
£1,914 GBP
$2,564 USD
View
B
Retailer 10
-
£2,616 GBP
View
B+
Retailer 11
-
£2,673 GBP
A$5,511 AUD
View
B
Retailer 12
-
£2,940 GBP
$3,939 USD
View
B
Retailer 13
-
£3,107 GBP
$4,163 USD
View
B
Retailer 14
-
£3,202 GBP
$4,290 USD
View
B
Retailer 15
-
£3,483 GBP
View
Most Expensive
Taylor and Hart
GIOPA6Y · Oct 18
£3,798 GBP
$5,089 USD
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from £1,131 GBPSave up to £2,353 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
£1,131 GBP