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Radiant|Lab Grown|IGI

1.52ct H SI1 Radiant Lab Grown Diamond

GD • H/SI1 • IGI LG488132592

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

Certificate IGI LG488132592

Diamond specifications and retailer prices

From £265 GBP
$355 USD
As of November 1, 2026
Save £911 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,176 GBP at MOH London · As of November 1, 2026
View at MOH London

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG488132592 or 488132592. Listed at 9 retailers as of November 1, 2026, with prices from £265 to £1,176, a £911 spread on the same certified stone. MOH London lists it at £1,176. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.52
Carat
H
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488132592
Dimensions6.55 × 6.47 × 4.33 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
Faint Blue 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
6.55 mm6.47 mm1.52 ctH / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488132592
Side View
Table 65.0%Crown 38.8°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 66.9%

Caratlytics Score

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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 1
Current: £1,176 GBP|Low: £190 GBP|High: £1,217 GBP|Avg: £647 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6£265 GBP
Retailer 5£293 GBP
Retailer 9£382 GBP
Retailer 4£477 GBP
Retailer 2£478 GBP
Retailer 8£486 GBP
Retailer 3£638 GBP
Retailer 7£1,094 GBP
MOH London£1,176 GBP

16 data points across 9 retailers

9 retailers£265 GBP to £1,176 GBP

A
Cheapest Retailer
-
£265 GBP
$355 USD
Final sale: no returns
Retailer 2
-
£293 GBP
$393 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£382 GBP
HK$4,000 HKD
View
Price last confirmed 33 days ago
B+
Retailer 4
-
£477 GBP
$639 USD
View
B+
Retailer 5
-
£478 GBP
$640 USD
View
B+
Retailer 6
-
£486 GBP
$651 USD
View
B+
Retailer 7
-
£638 GBP
$855 USD
View
Retailer 8
-
£1,094 GBP
SGD 1,980 SGD
View
Price last confirmed 26 days ago
Most Expensive
B+
MOH London
LG488132592 · Nov 1
£1,176 GBP
View
8 more retailers have this diamond
Prices start from £265 GBPSave up to £911 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
£265 GBP