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Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2556999425

Certificate GIA 2556999425

Diamond specifications and retailer prices

From $592 CAD
As of November 6, 2026
Save $1,951 CAD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,543 CAD 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556999425. Listed at 16 retailers as of November 4, 2026, with prices from $592 to $2,543, a $1,951 spread on the same certified stone. NZ Jewellers lists it at $2,543. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556999425
Dimensions5.22 × 5.26 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.22 mm5.26 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556999425
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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: $592 CAD|Low: $508 CAD|High: $1,895 CAD|Avg: $1,005 CAD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$592 CAD
Retailer 5$747 CAD
Retailer 6$873 CAD
Retailer 7$936 CAD
Retailer 2$989 CAD
Retailer 3$1,077 CAD
Retailer 4$1,873 CAD

42 data points across 7 retailers

16 retailers$592 CAD to $2,543 CAD

A
Cheapest Retailer
-
$592 CAD
A
Retailer 2
-
$747 CAD
View
Final sale: no returns
Retailer 3
-
$811 CAD
View
Price last confirmed 44 days ago
Retailer 4
-
$811 CAD
View
Price last confirmed 60 days ago
B+
Retailer 5
-
$811 CAD
View
Retailer 6
-
$839 CAD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$873 CAD
View
Retailer 8
-
$936 CAD
View
Price last confirmed 60 days ago
Retailer 9
-
$936 CAD
View
Price last confirmed 45 days ago
B+
Retailer 10
-
$936 CAD
View
B+
Retailer 11
-
$989 CAD
View
B+
Retailer 12
-
$1,077 CAD
View
B
Retailer 13
-
$1,873 CAD
View
Retailer 14
-
$2,543 CAD
View
Price last confirmed 46 days ago
Retailer 15
-
$2,543 CAD
View
Price last confirmed 69 days ago
Most Expensive
B
NZ Jewellers
bbb91b0d-06a8-4b1f-942b-677ca9ea70bc · Nov 4
$2,543 CAD
$1,821 USD
View
15 more retailers have this diamond
Prices start from $592 CADSave up to $1,951 CAD

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
$592 CAD