Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG715553218

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG715553218

Diamond specifications and retailer prices

From £826 GBP
$1,100 USD
As of October 29, 2026
Save £6,075 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,622 GBP at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 4.52ct lab-grown cushion diamond

This 4.52ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG715553218 or 715553218. Listed at 17 retailers as of October 29, 2026, with a 735% 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

4.52
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715553218
Dimensions8.68 × 8.68 × 10.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.68 mm8.68 mm4.52 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715553218
Side View
Table 65.0%Crown 37.7°Girdle: MED-THKPavilion 36°Culet: NoneDepth 66.0%

Caratlytics Score

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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: £7,622 GBP|Low: £826 GBP|High: £7,780 GBP|Avg: £2,180 GBP|-2.0%
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 4£826 GBP
Retailer 11£856 GBP
Retailer 8£987 GBP
Retailer 3£1,156 GBP
Retailer 12£1,206 GBP
Retailer 2£1,369 GBP
Retailer 6£2,011 GBP
Retailer 9£2,022 GBP
Retailer 5£2,609 GBP
Retailer 13£2,654 GBP
Retailer 10£2,840 GBP
Retailer 7£3,222 GBP
Brilliant Earth£7,622 GBP

44 data points across 13 retailers

17 retailers£826 GBP to £6,901 GBP

A
Cheapest Retailer
-
£826 GBP
$1,100 USD
Final sale: no returns
A
Retailer 2
-
£987 GBP
$1,315 USD
View
A
Retailer 3
-
£1,156 GBP
$1,540 USD
View
A
Retailer 4
-
£1,195 GBP
$1,592 USD
View
A
Retailer 5
-
£1,206 GBP
$1,606 USD
View
A
Retailer 6
-
£1,369 GBP
View
B+
Retailer 7
-
£2,011 GBP
ZAR 43,263 ZAR
View
Retailer 8
-
£2,022 GBP
A$4,143 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,609 GBP
View
B+
Retailer 10
-
£2,617 GBP
$3,485 USD
View
B+
Retailer 11
-
£2,654 GBP
$3,534 USD
View
Retailer 12
-
£2,840 GBP
A$5,819 AUD
View
Price last confirmed 21 days ago
B
Retailer 13
-
£3,222 GBP
View
B
Retailer 14
-
£3,359 GBP
$4,473 USD
View
B
Retailer 15
-
£6,556 GBP
$8,730 USD
View
B
Retailer 16
-
£6,901 GBP
$9,190 USD
View
Most Expensive
Brilliant Earth
18874492A · Oct 12
£7,622 GBP
$10,150 USD
View
Price last confirmed 17 days ago
16 more retailers have this diamond
Prices start from £826 GBPSave up to £6,075 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
4.52ct Cushion
£826 GBP