Cushion|Lab Grown|IGI

1.52ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840633249

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840633249

Diamond specifications and retailer prices

From £498 GBP
As of October 30, 2026
Save £2,218 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,717 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 LG840633249 or 840633249. Listed at 15 retailers as of October 30, 2026, with prices from £498 to £2,717, a £2,218 spread on the same certified stone. Brilliant Earth lists it at £2,717. 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 angle33.8°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633249
Dimensions9.56 × 9.32 × 5.97 mm
L/W Ratio1.03
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
9.56 mm9.32 mm1.52 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633249
Side View
Table 60.0%Crown 33.8°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 68.1%

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 30
Current: £2,717 GBP|Low: £496 GBP|High: £3,635 GBP|Avg: £1,308 GBP|-25.3%
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
October 31, 2026
Retailer 9£498 GBP
Retailer 7£514 GBP
Retailer 2£571 GBP
Retailer 3£729 GBP
Retailer 11£741 GBP
Retailer 10£782 GBP
Retailer 12£807 GBP
Retailer 14£815 GBP
Retailer 8£1,095 GBP
Retailer 5£1,528 GBP
Retailer 15£1,529 GBP
Retailer 4£1,649 GBP
Retailer 13£1,963 GBP
Retailer 6£2,011 GBP
Brilliant Earth£2,717 GBP

24 data points across 15 retailers

15 retailers£498 GBP to £2,717 GBP

A
Cheapest Retailer
-
£498 GBP
Retailer 2
-
£514 GBP
$689 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£571 GBP
$765 USD
View
A
Retailer 4
-
£729 GBP
$977 USD
View
A
Retailer 5
-
£741 GBP
€945 EUR
View
A
Retailer 6
-
£782 GBP
View
A
Retailer 7
-
£807 GBP
ZAR 17,473 ZAR
View
A
Retailer 8
-
£815 GBP
$1,092 USD
View
B+
Retailer 9
-
£1,095 GBP
$1,467 USD
View
B+
Retailer 10
-
£1,528 GBP
SGD 2,766 SGD
View
B+
Retailer 11
-
£1,529 GBP
$2,048 USD
View
B+
Retailer 12
-
£1,649 GBP
$2,209 USD
View
B+
Retailer 13
-
£1,963 GBP
View
Retailer 14
-
£2,011 GBP
$2,695 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21729250A · Oct 30
£2,717 GBP
$3,640 USD
View
14 more retailers have this diamond
Prices start from £498 GBPSave up to £2,218 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
£498 GBP