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Radiant|Lab Grown|IGI

1.52ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG732502578

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

Certificate IGI LG732502578

Diamond specifications and retailer prices

From £230 GBP
$309 USD
As of November 1, 2026
Save £1,894 GBP (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £3,279 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG732502578 or 732502578. Listed at 29 retailers as of November 1, 2026, with a 822% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732502578
Dimensions8.53 × 5.68 × 3.72 mm
L/W Ratio1.50
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
8.53 mm5.68 mm1.52 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732502578
Side View
Table 63.0%Crown 37.6°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £2,124 GBP|Low: £228 GBP|High: £3,279 GBP|Avg: £782 GBP|-35.2%
Brilliant Earth
Retailer 2
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Retailer 26
November 2, 2026
Retailer 16£228 GBP
Retailer 9£230 GBP
Retailer 7£256 GBP
Retailer 14£265 GBP
Retailer 17£283 GBP
Retailer 2£299 GBP
Retailer 8£362 GBP
Retailer 25£373 GBP
Retailer 22£375 GBP
Retailer 26£452 GBP
Retailer 15£477 GBP
Retailer 20£488 GBP
Retailer 13£499 GBP
Retailer 6£592 GBP
Retailer 23£660 GBP
Retailer 4£788 GBP
Retailer 10£910 GBP
Retailer 19£945 GBP
Retailer 5£985 GBP
Retailer 12£1,057 GBP
Retailer 11£1,071 GBP
Retailer 18£1,102 GBP
Retailer 21£1,134 GBP
Retailer 24£1,829 GBP
Retailer 3£1,833 GBP
Brilliant Earth£2,124 GBP

25 data points across 26 retailers

29 retailers£230 GBP to £2,124 GBP

Retailer 1
-
£228 GBP
$306 USD
Price last confirmed 12 days ago
A
Retailer 2
-
£230 GBP
$309 USD
View
Final sale: no returns
A
Retailer 3
-
£256 GBP
$344 USD
View
Retailer 4
-
£265 GBP
$355 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£283 GBP
$380 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£299 GBP
View
A
Retailer 7
-
£362 GBP
HK$3,800 HKD
View
A
Retailer 8
-
£373 GBP
$500 USD
View
A
Retailer 9
-
£375 GBP
$503 USD
View
A
Retailer 10
-
£452 GBP
$606 USD
View
Retailer 11
-
£477 GBP
€609 EUR
View
Price last confirmed 10 days ago
A
Retailer 12
-
£488 GBP
ZAR 10,579 ZAR
View
A
Retailer 13
-
£499 GBP
View
A
Retailer 14
-
£592 GBP
$794 USD
View
A
Retailer 15
-
£660 GBP
A$1,362 AUD
View
A
Retailer 16
-
£788 GBP
$1,057 USD
View
B+
Retailer 17
-
£910 GBP
$1,221 USD
View
B+
Retailer 18
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£945 GBP
$1,268 USD
View
B+
Retailer 19
-
£961 GBP
$1,289 USD
View
B+
Retailer 20
-
£985 GBP
$1,322 USD
View
B+
Retailer 21
-
£1,057 GBP
SGD 1,917 SGD
View
B+
Retailer 22
-
£1,071 GBP
$1,438 USD
View
Retailer 23
-
£1,102 GBP
View
Price last confirmed 12 days ago
B+
Retailer 24
-
£1,134 GBP
View
B+
Retailer 25
-
£1,829 GBP
$2,455 USD
View
B
Retailer 26
-
£1,833 GBP
$2,460 USD
View
B
Retailer 27
-
£2,120 GBP
View
B
Retailer 28
-
£2,124 GBP
$2,850 USD
View
Most Expensive
Brilliant Earth
15688679A · Oct 24
£3,279 GBP
$4,400 USD
View
Price last confirmed 9 days ago
28 more retailers have this diamond
Prices start from £230 GBPSave up to £1,894 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
£230 GBP