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Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5566213370

Certificate GIA 5566213370

Diamond specifications and retailer prices

From $707 AUD
As of November 6, 2026
Save $1,860 AUD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,567 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566213370. Listed at 9 retailers as of November 4, 2026, with prices from $707 to $2,567, a $1,860 spread on the same certified stone. NZ Jewellers lists it at $2,567. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5566213370
Dimensions5.28 × 5.29 × 3.24 mm
L/W Ratio1.00
Top View
5.28 mm5.29 mm0.55 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566213370
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,567 AUD|Low: $706 AUD|High: $2,747 AUD|Avg: $1,161 AUD|+12.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$707 AUD
Retailer 8$721 AUD
Retailer 5$823 AUD
Retailer 4$851 AUD
Retailer 7$857 AUD
Retailer 6$930 AUD
Retailer 3$1,004 AUD
Retailer 9$1,576 AUD
NZ Jewellers$2,567 AUD

37 data points across 9 retailers

9 retailers$707 AUD to $2,567 AUD

A
Cheapest Retailer
-
$707 AUD
A
Retailer 2
-
$721 AUD
View
B+
Retailer 3
-
$823 AUD
View
B+
Retailer 4
-
$851 AUD
View
B+
Retailer 5
-
$857 AUD
View
B+
Retailer 6
-
$930 AUD
View
B+
Retailer 7
-
$1,004 AUD
View
Retailer 8
-
$1,576 AUD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
fe90e6de-6dc0-4ed8-9f4f-6b8ec2cce18c · Nov 4
$2,567 AUD
$1,797 USD
View
8 more retailers have this diamond
Prices start from $707 AUDSave up to $1,860 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
$707 AUD