Radiant|Lab Grown|IGI

1.52ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG656478925

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

Certificate IGI LG656478925

Diamond specifications and retailer prices

From £230 GBP
$309 USD
As of October 30, 2026
Save £2,080 GBP (90%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £2,311 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

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 LG656478925 or 656478925. Listed at 31 retailers as of October 30, 2026, with prices from £230 to £2,311, a £2,080 spread on the same certified stone. Diamond Quarter lists it at £2,311. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656478925
Dimensions8.38 × 5.65 × 3.66 mm
L/W Ratio1.48
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
8.38 mm5.65 mm1.52 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656478925
Side View
Table 64.0%Crown 45.2°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £509 GBP|Low: £230 GBP|High: £2,541 GBP|Avg: £814 GBP|-3.1%
Retailer 1
Retailer 2
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Retailer 20
Retailer 21
November 2, 2026
Retailer 3£230 GBP
Retailer 17£258 GBP
Retailer 10£334 GBP
Retailer 4£402 GBP
Retailer 20£402 GBP
Retailer 16£466 GBP
Retailer 8£479 GBP
Retailer 12£493 GBP
Retailer 1£509 GBP
Retailer 9£643 GBP
Retailer 19£666 GBP
Retailer 5£764 GBP
Retailer 21£879 GBP
Retailer 11£954 GBP
Retailer 13£958 GBP
Retailer 7£1,100 GBP
Retailer 15£1,146 GBP
Retailer 6£1,150 GBP
Retailer 2£1,225 GBP
Retailer 14£1,266 GBP
Retailer 18£2,131 GBP

36 data points across 21 retailers

31 retailers£230 GBP to £2,311 GBP

A
Cheapest Retailer
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£230 GBP
$309 USD
Retailer 2
-
£230 GBP
$309 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£240 GBP
$322 USD
View
Price last confirmed 33 days ago
A
Retailer 4
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£258 GBP
$346 USD
View
Final sale: no returns
Retailer 5
-
£279 GBP
$374 USD
View
Price last confirmed 36 days ago
Retailer 6
-
£286 GBP
$384 USD
View
Price last confirmed 30 days ago
Retailer 7
-
£294 GBP
$395 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 9
-
£402 GBP
$540 USD
View
A
Retailer 10
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£402 GBP
$540 USD
View
A
Retailer 11
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£466 GBP
€596 EUR
View
A
Retailer 12
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£479 GBP
$643 USD
View
A
Retailer 13
-
£493 GBP
ZAR 10,690 ZAR
View
A
Retailer 14
-
£509 GBP
View
A
Retailer 15
-
£643 GBP
$863 USD
View
A
Retailer 16
-
£666 GBP
A$1,376 AUD
View
B+
Retailer 17
-
£764 GBP
$1,025 USD
View
B+
Retailer 18
-
£879 GBP
$1,179 USD
View
Retailer 19
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£920 GBP
$1,234 USD
View
Price last confirmed 23 days ago
B+
Retailer 20
-
£920 GBP
$1,234 USD
View
B+
Retailer 21
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£954 GBP
$1,280 USD
View
Retailer 22
-
£958 GBP
$1,285 USD
View
Price last confirmed 33 days ago
B+
Retailer 23
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£958 GBP
SGD 1,737 SGD
View
B+
Retailer 24
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£1,100 GBP
$1,476 USD
View
B+
Retailer 25
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£1,146 GBP
View
B+
Retailer 26
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£1,150 GBP
$1,543 USD
View
Retailer 27
-
£1,225 GBP
A$2,530 AUD
View
Price last confirmed 25 days ago
B+
Retailer 28
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£1,266 GBP
$1,699 USD
View
Retailer 29
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£1,941 GBP
$2,605 USD
View
Price last confirmed 35 days ago
B
Retailer 30
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£2,131 GBP
$2,860 USD
View
Most Expensive
B
Diamond Quarter
1.52IFDLG25F92CN · Oct 31
£2,311 GBP
View
30 more retailers have this diamond
Prices start from £230 GBPSave up to £2,080 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