Round|Natural|GIA

0.55ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5566213370

Certificate GIA 5566213370

Diamond specifications and retailer prices

From $495 USD
As of November 6, 2026
Save $1,302 USD (72%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,797 USD 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 $495 to $1,797, a $1,302 spread on the same certified stone. NZ Jewellers lists it at $1,797. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,797 USD|Low: $494 USD|High: $1,923 USD|Avg: $813 USD|+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$495 USD
Retailer 8$505 USD
Retailer 5$576 USD
Retailer 4$596 USD
Retailer 7$600 USD
Retailer 6$651 USD
Retailer 3$703 USD
Retailer 9$1,103 USD
NZ Jewellers$1,797 USD

37 data points across 9 retailers

9 retailers$495 USD to $1,797 USD

A
Cheapest Retailer
-
$495 USD
A
Retailer 2
-
$505 USD
View
B+
Retailer 3
-
$576 USD
View
B+
Retailer 4
-
$596 USD
View
B+
Retailer 5
-
$600 USD
View
B+
Retailer 6
-
$651 USD
View
B+
Retailer 7
-
$703 USD
View
Retailer 8
-
$1,103 USD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
fe90e6de-6dc0-4ed8-9f4f-6b8ec2cce18c · Nov 4
$1,797 USD
View
8 more retailers have this diamond
Prices start from $495 USDSave up to $1,302 USD

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
$495 USD