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Cushion|Lab Grown|IGI

4.52ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG839647907

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

Certificate IGI LG839647907

Diamond specifications and retailer prices

From £494 GBP
As of October 27, 2026
Save £3,523 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,017 GBP at Brilliant Earth · As of October 29, 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 LG839647907 or 839647907. Listed at 20 retailers as of October 27, 2026, with prices from £494 to £4,017, a £3,523 spread on the same certified stone. Brilliant Earth lists it at £4,017. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647907
Dimensions9.69 × 9.27 × 6.06 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm9.27 mm4.52 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647907
Side View
Table 60.0%Crown 33.8°Girdle: MED-THKPavilion 36.2°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 27
Current: £883 GBP|Low: £493 GBP|High: £3,135 GBP|Avg: £1,459 GBP|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 29, 2026
Retailer 15£494 GBP
Retailer 4£551 GBP
Retailer 12£654 GBP
Retailer 17£706 GBP
Retailer 5£844 GBP
Retailer 1£883 GBP
Retailer 16£908 GBP
Retailer 6£933 GBP
Retailer 18£1,204 GBP
Retailer 19£1,231 GBP
Retailer 2£1,470 GBP
Retailer 11£1,797 GBP
Retailer 8£1,896 GBP
Retailer 14£1,904 GBP
Retailer 3£1,948 GBP
Retailer 10£1,970 GBP
Retailer 7£2,419 GBP
Retailer 13£2,676 GBP
Retailer 9£3,105 GBP

24 data points across 19 retailers

20 retailers£494 GBP to £4,017 GBP

A
Cheapest Retailer
-
£494 GBP
A
Retailer 2
-
£551 GBP
$734 USD
View
Final sale: no returns
A
Retailer 3
-
£654 GBP
HK$6,800 HKD
View
A
Retailer 4
-
£706 GBP
$940 USD
View
A
Retailer 5
-
£844 GBP
$1,124 USD
View
A
Retailer 6
-
£883 GBP
€1,120 EUR
View
A
Retailer 7
-
£908 GBP
View
B+
Retailer 8
-
£933 GBP
$1,242 USD
View
A
Retailer 9
-
£1,204 GBP
ZAR 25,907 ZAR
View
Retailer 10
-
£1,231 GBP
A$2,522 AUD
View
Price last confirmed 9 days ago
A
Retailer 11
-
£1,470 GBP
$1,957 USD
View
Retailer 12
-
£1,797 GBP
View
Price last confirmed 14 days ago
B+
Retailer 13
-
£1,896 GBP
$2,525 USD
View
B+
Retailer 14
-
£1,904 GBP
SGD 3,426 SGD
View
B+
Retailer 15
-
£1,948 GBP
$2,594 USD
View
B+
Retailer 16
-
£1,970 GBP
$2,624 USD
View
Retailer 17
-
£2,419 GBP
View
Price last confirmed 9 days ago
B+
Retailer 18
-
£2,676 GBP
$3,564 USD
View
Retailer 19
-
£3,105 GBP
$4,135 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21809291A · Oct 29
£4,017 GBP
$5,350 USD
View
19 more retailers have this diamond
Prices start from £494 GBPSave up to £3,523 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
£494 GBP