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Radiant|Lab Grown|IGI

1.52ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG538275664

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

Certificate IGI LG538275664

Diamond specifications and retailer prices

From £941 GBP
As of November 6, 2026
Save £1,457 GBP (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,542 GBP at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538275664 or 538275664. Listed at 12 retailers as of November 4, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538275664
Dimensions8.10 × 5.57 × 3.84 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.10 mm5.57 mm1.52 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538275664
Side View
Table 67.5%Crown 45.9°Girdle: MED-STKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,902 GBP|Low: £941 GBP|High: £3,925 GBP|Avg: £1,832 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£941 GBP
Retailer 4£1,169 GBP
Retailer 8£1,310 GBP
Retailer 6£1,356 GBP
Retailer 9£1,483 GBP
Retailer 1£1,902 GBP
Retailer 7£2,134 GBP
Retailer 3£2,398 GBP
Retailer 2£3,863 GBP

44 data points across 9 retailers

12 retailers£941 GBP to £2,398 GBP

B
Cheapest Retailer
-
£941 GBP
B
Retailer 2
-
£1,169 GBP
View
B
Retailer 3
-
£1,272 GBP
View
B
Retailer 4
-
£1,310 GBP
View
Final sale: no returns
Retailer 5
-
£1,356 GBP
View
Price last confirmed 26 days ago
B
Retailer 6
-
£1,356 GBP
View
B
Retailer 7
-
£1,483 GBP
View
B
Retailer 8
-
£1,902 GBP
View
B
Retailer 9
-
£2,134 GBP
View
B
Retailer 10
-
£2,398 GBP
View
Most Expensive
NZ Jewellers
273f059d-f1f1-4641-ba6c-7886a0bd2650 · Nov 6
£2,542 GBP
$3,403 USD
View
Price under review
10 more retailers have this diamond
Prices start from £941 GBPSave up to £1,457 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.

B
1.52ct Radiant
£941 GBP