Cushion|Lab Grown|IGI

1.52ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG831696270

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831696270

Diamond specifications and retailer prices

From £484 GBP
As of October 30, 2026
Save £2,414 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,899 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831696270 or 831696270. Listed at 16 retailers as of October 29, 2026, with prices from £484 to £2,899, a £2,414 spread on the same certified stone. Brilliant Earth lists it at £2,899. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696270
Dimensions8.50 × 5.69 × 3.85 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.50 mm5.69 mm1.52 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696270
Side View
Table 59.0%Crown 34.1°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 67.7%

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 30
Current: £2,899 GBP|Low: £483 GBP|High: £2,899 GBP|Avg: £1,283 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 2£484 GBP
Retailer 8£497 GBP
Retailer 12£541 GBP
Retailer 3£636 GBP
Retailer 4£729 GBP
Retailer 10£737 GBP
Retailer 9£780 GBP
Retailer 11£806 GBP
Retailer 15£825 GBP
Retailer 6£1,524 GBP
Retailer 16£1,526 GBP
Retailer 13£1,643 GBP
Retailer 14£1,960 GBP
Retailer 7£1,967 GBP
Retailer 5£2,131 GBP
Brilliant Earth£2,899 GBP

18 data points across 16 retailers

16 retailers£484 GBP to £2,899 GBP

A
Cheapest Retailer
-
£484 GBP
Retailer 2
-
£497 GBP
$662 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£541 GBP
$720 USD
View
A
Retailer 4
-
£636 GBP
$847 USD
View
A
Retailer 5
-
£729 GBP
$971 USD
View
A
Retailer 6
-
£737 GBP
€935 EUR
View
A
Retailer 7
-
£780 GBP
View
A
Retailer 8
-
£806 GBP
ZAR 17,334 ZAR
View
A
Retailer 9
-
£825 GBP
$1,098 USD
View
B+
Retailer 10
-
£1,524 GBP
SGD 2,743 SGD
View
B+
Retailer 11
-
£1,526 GBP
$2,033 USD
View
B+
Retailer 12
-
£1,643 GBP
$2,188 USD
View
B+
Retailer 13
-
£1,960 GBP
View
Retailer 14
-
£1,967 GBP
$2,620 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
£2,131 GBP
$2,838 USD
View
Most Expensive
B
Brilliant Earth
21813650A · Oct 29
£2,899 GBP
$3,860 USD
View
15 more retailers have this diamond
Prices start from £484 GBPSave up to £2,414 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
1.52ct Cushion
£484 GBP