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Radiant|Natural|GIA

0.55ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5231060353

Certificate GIA 5231060353

Diamond specifications and retailer prices

From £538 GBP
As of November 4, 2026
Save £694 GBP (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,232 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct natural radiant diamond

This 0.55ct natural radiant sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231060353. Listed at 4 retailers as of November 4, 2026, with prices from £538 to £1,232, a £694 spread on the same certified stone. MOH London lists it at £1,232. 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

0.55
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5231060353
Dimensions5.26 × 4.47 × 2.72 mm
L/W Ratio1.18
Top View
5.26 mm4.47 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 5231060353
Side View
Table 83.0%CrownGirdle: ThickPavilionCulet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £1,232 GBP|Low: £538 GBP|High: £1,248 GBP|Avg: £789 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£538 GBP
Retailer 5£646 GBP
Retailer 6£713 GBP
Retailer 2£771 GBP
Retailer 4£822 GBP
MOH London£1,232 GBP

26 data points across 6 retailers

4 retailers£538 GBP to £1,232 GBP

B
Cheapest Retailer
-
£538 GBP
B
Retailer 2
-
£771 GBP
View
Retailer 3
-
£822 GBP
View
Price last confirmed 34 days ago
Most Expensive
C
MOH London
D592A8911 · Nov 4
£1,232 GBP
View
3 more retailers have this diamond
Prices start from £538 GBPSave up to £694 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
0.55ct Radiant
£538 GBP