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Round|Natural|GIA

0.55ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 3555638307

Certificate GIA 3555638307

Diamond specifications and retailer prices

From $686 AUD
As of November 6, 2026
Save $1,386 AUD (67%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,156 AUD at NZ Jewellers · As of October 3, 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 3555638307. Listed at 17 retailers as of November 4, 2026, with a 202% 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555638307
Dimensions5.24 × 5.22 × 3.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.24 mm5.22 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555638307
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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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 6
Current: $686 AUD|Low: $639 AUD|High: $2,313 AUD|Avg: $1,078 AUD|-9.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 1$686 AUD
Retailer 12$786 AUD
Retailer 4$801 AUD
Retailer 2$814 AUD
Retailer 8$829 AUD
Retailer 7$890 AUD
Retailer 3$974 AUD
Retailer 9$1,079 AUD
Retailer 5$1,089 AUD
Retailer 10$1,191 AUD
Retailer 11$1,250 AUD
Retailer 6$2,071 AUD

36 data points across 12 retailers

17 retailers$686 AUD to $2,071 AUD

A
Cheapest Retailer
-
$686 AUD
A
Retailer 2
-
$786 AUD
View
A
Retailer 3
-
$801 AUD
View
A
Retailer 4
-
$814 AUD
View
A
Retailer 5
-
$829 AUD
View
Final sale: no returns
A
Retailer 6
-
$890 AUD
View
Retailer 7
-
$974 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
$1,007 AUD
View
Price last confirmed 30 days ago
Retailer 9
-
$1,007 AUD
View
Price last confirmed 29 days ago
Retailer 10
-
$1,077 AUD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$1,079 AUD
View
A
Retailer 12
-
$1,089 AUD
View
Retailer 13
-
$1,161 AUD
View
Price last confirmed 28 days ago
A
Retailer 14
-
$1,191 AUD
View
B+
Retailer 15
-
$1,250 AUD
View
B
Retailer 16
-
$2,071 AUD
View
Most Expensive
NZ Jewellers
1d832703-6ae9-410f-ad02-0c22d9b325a5 · Oct 3
$3,156 AUD
$2,209 USD
View
Price last confirmed 34 days ago
16 more retailers have this diamond
Prices start from $686 AUDSave up to $1,386 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
$686 AUD