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Cushion|Lab Grown|IGI

1.52ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG740506197

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG740506197

Diamond specifications and retailer prices

From £461 GBP
As of November 4, 2026
Save £2,613 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,074 GBP at Brilliant Earth · As of November 4, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG740506197 or 740506197. Listed at 22 retailers as of November 4, 2026, with prices from £461 to £3,074, a £2,613 spread on the same certified stone. Brilliant Earth lists it at £3,074. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740506197
Dimensions5.84 × 5.84 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
5.84 mm5.84 mm1.52 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740506197
Side View
Table 63.0%Crown 39.3°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 67.6%

Caratlytics Score

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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: Nov 4
Current: £3,074 GBP|Low: £461 GBP|High: £3,074 GBP|Avg: £1,099 GBP
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
November 5, 2026
Retailer 13£461 GBP
Retailer 6£539 GBP
Retailer 10£589 GBP
Retailer 5£685 GBP
Retailer 9£775 GBP
Retailer 2£788 GBP
Retailer 8£880 GBP
Retailer 7£1,159 GBP
Retailer 12£1,189 GBP
Retailer 11£1,806 GBP
Retailer 4£1,963 GBP
Retailer 3£2,227 GBP
Brilliant Earth£3,074 GBP

31 data points across 13 retailers

22 retailers£461 GBP to £3,074 GBP

A
Cheapest Retailer
-
£461 GBP
Final sale: no returns
Retailer 2
-
£510 GBP
View
Price last confirmed 20 days ago
A
Retailer 3
-
£539 GBP
View
A
Retailer 4
-
£589 GBP
View
A
Retailer 5
-
£670 GBP
View
A
Retailer 6
-
£685 GBP
View
A
Retailer 7
-
£775 GBP
View
A
Retailer 8
-
£788 GBP
View
A
Retailer 9
-
£821 GBP
View
A
Retailer 10
-
£880 GBP
View
B+
Retailer 11
-
£1,159 GBP
View
B+
Retailer 12
-
£1,189 GBP
View
B+
Retailer 13
-
£1,490 GBP
View
B+
Retailer 14
-
£1,644 GBP
View
B+
Retailer 15
-
£1,655 GBP
View
B+
Retailer 16
-
£1,724 GBP
View
B
Retailer 17
-
£1,776 GBP
View
B+
Retailer 18
-
£1,806 GBP
View
Retailer 19
-
£1,963 GBP
View
Price last confirmed 17 days ago
Retailer 20
-
£2,214 GBP
View
Retailer 21
-
£2,227 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
16165549A · Nov 4
£3,074 GBP
$4,150 USD
View
21 more retailers have this diamond
Prices start from £461 GBPSave up to £2,613 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
£461 GBP