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Round|Natural|GIA

0.55ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561041772

Certificate GIA 6561041772

Diamond specifications and retailer prices

From $646 AUD
As of November 6, 2026
Save $1,384 AUD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,789 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561041772. Listed at 17 retailers as of November 4, 2026, with a 214% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561041772
Dimensions5.24 × 5.28 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.24 mm5.28 mm0.55 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561041772
Side View
Table 59.0%Crown 35°Girdle: THN-STKPavilion 41°Culet: NoneDepth 61.1%

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: $646 AUD|Low: $454 AUD|High: $2,058 AUD|Avg: $1,064 AUD|+19.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$646 AUD
Retailer 8$812 AUD
Retailer 6$949 AUD
Retailer 7$949 AUD
Retailer 9$1,016 AUD
Retailer 3$1,060 AUD
Retailer 4$1,090 AUD
Retailer 2$1,177 AUD
Retailer 5$2,030 AUD

40 data points across 9 retailers

17 retailers$646 AUD to $2,030 AUD

A
Cheapest Retailer
-
$646 AUD
Retailer 2
-
$728 AUD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$812 AUD
View
Final sale: no returns
Retailer 4
-
$881 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$889 AUD
View
Price last confirmed 46 days ago
Retailer 6
-
$949 AUD
View
Price last confirmed 9 days ago
Retailer 7
-
$949 AUD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$949 AUD
View
Retailer 9
-
$1,016 AUD
View
Price last confirmed 29 days ago
A
Retailer 10
-
$1,016 AUD
View
A
Retailer 11
-
$1,060 AUD
View
A
Retailer 12
-
$1,090 AUD
View
A
Retailer 13
-
$1,177 AUD
View
B
Retailer 14
-
$2,030 AUD
View
Retailer 15
-
$2,762 AUD
View
Price last confirmed 21 days ago
Retailer 16
-
$2,762 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
4f009d58-6369-4c1c-b2da-0c779691cf54 · Sep 24
$2,789 AUD
$1,916 USD
View
Price last confirmed 43 days ago
16 more retailers have this diamond
Prices start from $646 AUDSave up to $1,384 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
$646 AUD