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Radiant|Lab Grown|IGI

1.53ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG570363593

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

Certificate IGI LG570363593

Diamond specifications and retailer prices

From £137 GBP
As of November 4, 2026
Save £744 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £881 GBP at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG570363593 or 570363593. Listed at 15 retailers as of November 4, 2026, with prices from £137 to £881, a £744 spread on the same certified stone. Flawless Fine Jewelry lists it at £881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570363593
Dimensions7.73 × 5.92 × 3.80 mm
L/W Ratio1.31
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
7.73 mm5.92 mm1.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570363593
Side View
Table 65.0%Crown 46.8°Girdle: MediumPavilion 31.8°Culet: NoneDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £881 GBP|Low: £132 GBP|High: £881 GBP|Avg: £371 GBP|+39.3%
Flawless Fine Jewelry
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
November 5, 2026
Retailer 11£137 GBP
Retailer 4£159 GBP
Retailer 5£170 GBP
Retailer 12£170 GBP
Retailer 3£190 GBP
Retailer 7£281 GBP
Retailer 9£293 GBP
Retailer 14£299 GBP
Retailer 6£362 GBP
Retailer 8£396 GBP
Retailer 13£546 GBP
Retailer 10£577 GBP
Retailer 2£792 GBP
Flawless Fine Jewelry£881 GBP

32 data points across 14 retailers

15 retailers£137 GBP to £881 GBP

A
Cheapest Retailer
-
£137 GBP
A
Retailer 2
-
£159 GBP
View
Retailer 3
-
£170 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£170 GBP
View
A
Retailer 5
-
£190 GBP
View
A
Retailer 6
-
£281 GBP
View
A
Retailer 7
-
£293 GBP
View
B+
Retailer 8
-
£299 GBP
View
A
Retailer 9
-
£362 GBP
View
A
Retailer 10
-
£396 GBP
View
B+
Retailer 11
-
£476 GBP
View
B+
Retailer 12
-
£546 GBP
View
B+
Retailer 13
-
£577 GBP
View
B+
Retailer 14
-
£792 GBP
View
Most Expensive
B
Flawless Fine Jewelry
DC258A12C · Nov 4
£881 GBP
View
14 more retailers have this diamond
Prices start from £137 GBPSave up to £744 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
1.53ct Radiant
£137 GBP