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Cushion|Lab Grown|IGI

1.52ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG815697672

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815697672

Diamond specifications and retailer prices

From £424 GBP
$568 USD
As of October 26, 2026
Save £1,979 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,403 GBP at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697672 or 815697672. Listed at 18 retailers as of October 26, 2026, with prices from £424 to £2,403, a £1,979 spread on the same certified stone. Brilliant Earth lists it at £2,403. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697672
Dimensions8.23 × 5.62 × 3.95 mm
L/W Ratio1.46
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
8.23 mm5.62 mm1.52 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697672
Side View
Table 65.0%Crown 39.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 70.3%

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 26
Current: £2,403 GBP|Low: £424 GBP|High: £3,635 GBP|Avg: £1,354 GBP|-33.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4£424 GBP
Retailer 9£514 GBP
Retailer 13£541 GBP
Retailer 3£635 GBP
Retailer 10£708 GBP
Retailer 5£729 GBP
Retailer 2£782 GBP
Retailer 12£807 GBP
Retailer 15£815 GBP
Retailer 6£1,095 GBP
Retailer 17£1,365 GBP
Retailer 7£1,528 GBP
Retailer 16£1,529 GBP
Retailer 14£1,688 GBP
Retailer 11£1,972 GBP
Retailer 8£2,011 GBP
Brilliant Earth£2,403 GBP

32 data points across 17 retailers

18 retailers£424 GBP to £2,403 GBP

A
Cheapest Retailer
-
£424 GBP
$568 USD
Final sale: no returns
Retailer 2
-
£514 GBP
$689 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£541 GBP
$725 USD
View
A
Retailer 4
-
£635 GBP
$851 USD
View
A
Retailer 5
-
£708 GBP
€903 EUR
View
A
Retailer 6
-
£729 GBP
$977 USD
View
A
Retailer 7
-
£782 GBP
View
A
Retailer 8
-
£807 GBP
ZAR 17,473 ZAR
View
A
Retailer 9
-
£815 GBP
$1,092 USD
View
A
Retailer 10
-
£1,095 GBP
$1,467 USD
View
B+
Retailer 11
-
£1,365 GBP
View
B+
Retailer 12
-
£1,528 GBP
SGD 2,766 SGD
View
B+
Retailer 13
-
£1,529 GBP
$2,048 USD
View
B+
Retailer 14
-
£1,649 GBP
$2,209 USD
View
B+
Retailer 15
-
£1,688 GBP
$2,262 USD
View
B+
Retailer 16
-
£1,972 GBP
View
Retailer 17
-
£2,011 GBP
$2,695 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21422917A · Oct 30
£2,403 GBP
$3,220 USD
View
17 more retailers have this diamond
Prices start from £424 GBPSave up to £1,979 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
£424 GBP