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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2566560739

Certificate GIA 2566560739

Diamond specifications and retailer prices

From $664 AUD
As of November 6, 2026
Save $1,929 AUD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,592 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566560739. Listed at 8 retailers as of November 5, 2026, with prices from $664 to $2,592, a $1,929 spread on the same certified stone. Diamond Exchange Canada lists it at $2,592. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566560739
Dimensions5.22 × 5.26 × 3.26 mm
L/W Ratio1.01
Top View
5.22 mm5.26 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566560739
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.3%

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 6
Current: $2,592 AUD|Low: $664 AUD|High: $2,808 AUD|Avg: $1,269 AUD|-7.7%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$664 AUD
Retailer 5$763 AUD
Retailer 4$784 AUD
Retailer 8$927 AUD
Retailer 7$1,240 AUD
Retailer 6$1,256 AUD
Retailer 3$1,326 AUD
Diamond Exchange Canada$2,592 AUD

29 data points across 8 retailers

8 retailers$664 AUD to $2,592 AUD

A
Cheapest Retailer
-
$664 AUD
A
Retailer 2
-
$763 AUD
View
A
Retailer 3
-
$784 AUD
View
Retailer 4
-
$927 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$1,240 AUD
View
A
Retailer 6
-
$1,256 AUD
View
B+
Retailer 7
-
$1,326 AUD
View
Most Expensive
B
Diamond Exchange Canada
1990144985 · Nov 5
$2,592 AUD
CA$2,474 CAD
View
7 more retailers have this diamond
Prices start from $664 AUDSave up to $1,929 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
$664 AUD