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Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6432504312

Certificate GIA 6432504312

Diamond specifications and retailer prices

From $843 AUD
As of November 4, 2026
Save $2,023 AUD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,938 AUD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6432504312. Listed at 17 retailers as of November 4, 2026, with a 240% 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

0.55
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6432504312
Dimensions5.27 × 5.25 × 3.25 mm
L/W Ratio1.00
Top View
5.27 mm5.25 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432504312
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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 4
Current: $1,109 AUD|Low: $703 AUD|High: $2,164 AUD|Avg: $1,154 AUD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$843 AUD
Retailer 6$864 AUD
Retailer 3$907 AUD
Retailer 8$967 AUD
Retailer 7$1,003 AUD
Retailer 1$1,109 AUD
Retailer 2$1,333 AUD
Retailer 4$2,107 AUD

43 data points across 8 retailers

17 retailers$843 AUD to $2,866 AUD

A
Cheapest Retailer
-
$843 AUD
Final sale: no returns
A
Retailer 2
-
$864 AUD
View
A
Retailer 3
-
$907 AUD
View
Retailer 4
-
$914 AUD
View
Price last confirmed 57 days ago
A
Retailer 5
-
$914 AUD
View
Retailer 6
-
$937 AUD
View
Price last confirmed 43 days ago
Retailer 7
-
$984 AUD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$984 AUD
View
Retailer 9
-
$1,054 AUD
View
Price last confirmed 60 days ago
A
Retailer 10
-
$1,054 AUD
View
Retailer 11
-
$1,081 AUD
View
Price last confirmed 45 days ago
A
Retailer 12
-
$1,101 AUD
View
A
Retailer 13
-
$1,109 AUD
View
B+
Retailer 14
-
$1,333 AUD
View
B
Retailer 15
-
$2,107 AUD
View
B
Retailer 16
-
$2,866 AUD
View
Most Expensive
NZ Jewellers
4f2d8522-9e21-4a4c-b1f1-f7f76e8e567a · Sep 24
$2,938 AUD
$2,057 USD
View
Price last confirmed 43 days ago
16 more retailers have this diamond
Prices start from $843 AUDSave up to $2,023 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.

A
0.55ct Round
$843 AUD