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Cushion|Lab Grown|IGI

1.52ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804649799

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804649799

Diamond specifications and retailer prices

From £413 GBP
$553 USD
As of October 26, 2026
Save £2,192 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,605 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 LG804649799 or 804649799. Listed at 18 retailers as of October 26, 2026, with prices from £413 to £2,605, a £2,192 spread on the same certified stone. Brilliant Earth lists it at £2,605. 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 angle35.4°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649799
Dimensions8.15 × 5.79 × 3.90 mm
L/W Ratio1.41
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
8.15 mm5.79 mm1.52 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649799
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 37°Culet: NoneDepth 67.4%

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: £2,605 GBP|Low: £413 GBP|High: £3,635 GBP|Avg: £1,281 GBP|-28.3%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 4£413 GBP
Retailer 9£490 GBP
Retailer 3£631 GBP
Retailer 11£689 GBP
Retailer 14£690 GBP
Retailer 5£711 GBP
Retailer 10£760 GBP
Retailer 13£785 GBP
Retailer 15£812 GBP
Retailer 6£1,065 GBP
Retailer 17£1,331 GBP
Retailer 16£1,489 GBP
Retailer 7£1,493 GBP
Retailer 2£1,649 GBP
Retailer 12£1,918 GBP
Retailer 8£2,011 GBP
Brilliant Earth£2,605 GBP

28 data points across 17 retailers

18 retailers£413 GBP to £2,605 GBP

A
Cheapest Retailer
-
£413 GBP
$553 USD
Final sale: no returns
Retailer 2
-
£490 GBP
$656 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£631 GBP
$845 USD
View
A
Retailer 4
-
£689 GBP
€879 EUR
View
A
Retailer 5
-
£690 GBP
$925 USD
View
A
Retailer 6
-
£711 GBP
$953 USD
View
A
Retailer 7
-
£760 GBP
View
A
Retailer 8
-
£785 GBP
ZAR 17,001 ZAR
View
A
Retailer 9
-
£812 GBP
$1,088 USD
View
A
Retailer 10
-
£1,065 GBP
$1,427 USD
View
B+
Retailer 11
-
£1,331 GBP
View
B+
Retailer 12
-
£1,489 GBP
$1,996 USD
View
B+
Retailer 13
-
£1,493 GBP
SGD 2,703 SGD
View
B+
Retailer 14
-
£1,649 GBP
$2,209 USD
View
B+
Retailer 15
-
£1,710 GBP
$2,291 USD
View
B+
Retailer 16
-
£1,918 GBP
View
Retailer 17
-
£2,011 GBP
$2,695 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21420770A · Oct 30
£2,605 GBP
$3,490 USD
View
17 more retailers have this diamond
Prices start from £413 GBPSave up to £2,192 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
£413 GBP