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Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG837677127

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

Certificate IGI LG837677127

Diamond specifications and retailer prices

From £685 GBP
$918 USD
As of October 29, 2026
Save £3,427 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,374 GBP at Queensmith · As of October 10, 2026
View at Queensmith

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 LG837677127 or 837677127. Listed at 19 retailers as of October 29, 2026, with a 500% 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 angle34.9°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677127
Dimensions9.38 × 9.14 × 6.10 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.14 mm4.52 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677127
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,112 GBP|Low: £711 GBP|High: £4,247 GBP|Avg: £1,821 GBP|-3.2%
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
Retailer 14
October 30, 2026
Retailer 5£711 GBP
Retailer 12£843 GBP
Retailer 6£1,017 GBP
Retailer 8£1,086 GBP
Retailer 7£1,091 GBP
Retailer 3£1,494 GBP
Retailer 9£1,513 GBP
Retailer 14£1,522 GBP
Retailer 11£1,968 GBP
Retailer 13£2,096 GBP
Retailer 10£2,668 GBP
Retailer 4£2,684 GBP
Retailer 2£3,094 GBP
Retailer 1£4,112 GBP

36 data points across 14 retailers

19 retailers£685 GBP to £4,112 GBP

A
Cheapest Retailer
-
£685 GBP
$918 USD
Final sale: no returns
Retailer 2
-
£711 GBP
$952 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£843 GBP
$1,130 USD
View
A
Retailer 4
-
£1,017 GBP
$1,362 USD
View
A
Retailer 5
-
£1,086 GBP
€1,386 EUR
View
A
Retailer 6
-
£1,091 GBP
View
A
Retailer 7
-
£1,494 GBP
$2,002 USD
View
A
Retailer 8
-
£1,502 GBP
$2,013 USD
View
A
Retailer 9
-
£1,513 GBP
ZAR 32,750 ZAR
View
Retailer 10
-
£1,522 GBP
A$3,137 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£1,968 GBP
View
B+
Retailer 12
-
£2,096 GBP
$2,809 USD
View
B+
Retailer 13
-
£2,260 GBP
$3,028 USD
View
B+
Retailer 14
-
£2,461 GBP
$3,298 USD
View
B+
Retailer 15
-
£2,668 GBP
View
Retailer 16
-
£2,684 GBP
A$5,533 AUD
View
Price last confirmed 21 days ago
Retailer 17
-
£3,094 GBP
$4,145 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
£4,112 GBP
$5,510 USD
View
Most Expensive
Queensmith
LG837677127 · Oct 10
£5,374 GBP
View
Price last confirmed 20 days ago
18 more retailers have this diamond
Prices start from £685 GBPSave up to £3,427 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
£685 GBP