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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 $1,048 AUD
As of November 4, 2026
Save $1,351 AUD (56%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,399 AUD 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 $1,048 to $2,399, a $1,351 spread on the same certified stone. MOH London lists it at $2,399. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,399 AUD|Low: $1,048 AUD|High: $2,431 AUD|Avg: $1,538 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$1,048 AUD
Retailer 5$1,259 AUD
Retailer 6$1,390 AUD
Retailer 2$1,502 AUD
Retailer 4$1,601 AUD
MOH London$2,399 AUD

26 data points across 6 retailers

4 retailers$1,048 AUD to $2,399 AUD

B
Cheapest Retailer
-
$1,048 AUD
B
Retailer 2
-
$1,502 AUD
View
Retailer 3
-
$1,601 AUD
View
Price last confirmed 34 days ago
Most Expensive
C
MOH London
D592A8911 · Nov 4
$2,399 AUD
£1,298 GBP
View
3 more retailers have this diamond
Prices start from $1,048 AUDSave up to $1,351 AUD

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
$1,048 AUD