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Round|Natural|GIA

0.55ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2568006918

Certificate GIA 2568006918

Diamond specifications and retailer prices

From $685 AUD
As of November 6, 2026
Save $2,215 AUD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,901 AUD at NZ Jewellers · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2568006918. Listed at 17 retailers as of November 4, 2026, with prices from $685 to $2,901, a $2,215 spread on the same certified stone. NZ Jewellers lists it at $2,901. 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
FluorescenceStrong
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2568006918
Dimensions5.19 × 5.23 × 3.29 mm
L/W Ratio1.01
Top View
5.19 mm5.23 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2568006918
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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: $2,901 AUD|Low: $685 AUD|High: $2,928 AUD|Avg: $1,256 AUD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 9$685 AUD
Retailer 7$782 AUD
Retailer 14$851 AUD
Retailer 3$926 AUD
Retailer 8$974 AUD
Retailer 2$995 AUD
Retailer 5$1,001 AUD
Retailer 4$1,067 AUD
Retailer 11$1,121 AUD
Retailer 10$1,189 AUD
Retailer 6$1,201 AUD
Retailer 12$1,241 AUD
Retailer 16$1,297 AUD
Retailer 13$1,426 AUD
Retailer 15$2,132 AUD
NZ Jewellers$2,901 AUD

21 data points across 16 retailers

17 retailers$685 AUD to $2,901 AUD

A
Cheapest Retailer
-
$685 AUD
A
Retailer 2
-
$782 AUD
View
A
Retailer 3
-
$851 AUD
View
A
Retailer 4
-
$926 AUD
View
Retailer 5
-
$974 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$995 AUD
View
Retailer 7
-
$1,001 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$1,067 AUD
View
A
Retailer 9
-
$1,121 AUD
View
A
Retailer 10
-
$1,189 AUD
View
B+
Retailer 11
-
$1,201 AUD
View
B+
Retailer 12
-
$1,241 AUD
View
B+
Retailer 13
-
$1,297 AUD
View
Retailer 14
-
$1,410 AUD
View
Price last confirmed 33 days ago
B+
Retailer 15
-
$1,426 AUD
View
B
Retailer 16
-
$2,132 AUD
View
Most Expensive
B
NZ Jewellers
ef219ac1-b112-42aa-aafb-248732c261b7 · Nov 4
$2,901 AUD
$1,993 USD
View
16 more retailers have this diamond
Prices start from $685 AUDSave up to $2,215 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
$685 AUD