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Radiant|Lab Grown|IGI

1.52ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG674551675

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG674551675

Diamond specifications and retailer prices

From £270 GBP
As of November 4, 2026
Save £924 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,480 GBP at Rare Carat · As of July 27, 2026
View at Rare Carat

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674551675 or 674551675. Listed at 13 retailers as of November 4, 2026, with a 343% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551675
Dimensions6.44 × 6.37 × 4.23 mm
L/W Ratio1.01
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
6.44 mm6.37 mm1.52 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551675
Side View
Table 64.0%Crown 45.3°Girdle: MediumPavilion 35.4°Culet: NoneDepth 66.4%

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: Nov 4
Current: £1,419 GBP|Low: £166 GBP|High: £1,991 GBP|Avg: £822 GBP|-4.1%
Rare Carat
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
November 5, 2026
Retailer 16£270 GBP
Retailer 15£299 GBP
Retailer 9£307 GBP
Retailer 13£401 GBP
Retailer 11£457 GBP
Retailer 14£485 GBP
Retailer 3£490 GBP
Retailer 10£515 GBP
Retailer 12£715 GBP
Retailer 4£993 GBP
Retailer 6£1,013 GBP
Retailer 8£1,081 GBP
Retailer 7£1,120 GBP
Retailer 2£1,194 GBP
Rare Carat£1,419 GBP
Retailer 5£1,991 GBP

35 data points across 16 retailers

13 retailers£270 GBP to £1,194 GBP

A
Cheapest Retailer
-
£270 GBP
Final sale: no returns
Retailer 2
-
£299 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£307 GBP
View
A
Retailer 4
-
£401 GBP
View
A
Retailer 5
-
£457 GBP
View
A
Retailer 6
-
£490 GBP
View
A
Retailer 7
-
£515 GBP
View
B+
Retailer 8
-
£715 GBP
View
B+
Retailer 9
-
£966 GBP
View
B+
Retailer 10
-
£993 GBP
View
B+
Retailer 11
-
£1,194 GBP
View
Retailer 12
-
£1,419 GBP
View
Price last confirmed 18 days ago
Most Expensive
Rare Carat
F36755516HH674 · Jul 27
£1,480 GBP
$1,992 USD
View
Price last confirmed 101 days ago
12 more retailers have this diamond
Prices start from £270 GBPSave up to £924 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 Radiant
£270 GBP