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Round|Natural|GIA

0.55ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2308949230

Certificate GIA 2308949230

Diamond specifications and retailer prices

From $503 CAD
As of November 4, 2026
Save $1,788 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,290 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 2308949230. Listed at 15 retailers as of November 4, 2026, with prices from $503 to $2,290, a $1,788 spread on the same certified stone. NZ Jewellers lists it at $2,290. 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
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2308949230
Dimensions5.24 × 5.27 × 3.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.24 mm5.27 mm0.55 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2308949230
Side View
Table 57.0%Crown 36°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

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 4
Current: $2,290 CAD|Low: $503 CAD|High: $2,290 CAD|Avg: $989 CAD
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
November 6, 2026
Retailer 6$503 CAD
Retailer 2$534 CAD
Retailer 13$730 CAD
Retailer 12$786 CAD
Retailer 14$786 CAD
Retailer 4$842 CAD
Retailer 5$842 CAD
Retailer 7$902 CAD
Retailer 8$982 CAD
Retailer 11$1,013 CAD
Retailer 3$1,021 CAD
Retailer 9$1,133 CAD
Retailer 10$1,684 CAD
NZ Jewellers$2,290 CAD

33 data points across 14 retailers

15 retailers$503 CAD to $2,290 CAD

A
Cheapest Retailer
-
$503 CAD
Final sale: no returns
A
Retailer 2
-
$534 CAD
View
A
Retailer 3
-
$730 CAD
View
Retailer 4
-
$786 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$786 CAD
View
B+
Retailer 6
-
$842 CAD
View
B+
Retailer 7
-
$842 CAD
View
B+
Retailer 8
-
$902 CAD
View
B+
Retailer 9
-
$982 CAD
View
B
Retailer 10
-
$1,013 CAD
View
B+
Retailer 11
-
$1,021 CAD
View
B+
Retailer 12
-
$1,133 CAD
View
Retailer 13
-
$1,140 CAD
View
Price last confirmed 33 days ago
B
Retailer 14
-
$1,684 CAD
View
Most Expensive
B
NZ Jewellers
8cfbbe36-69f1-4f47-a42c-a4d6403e2c2e · Nov 4
$2,290 CAD
$1,640 USD
View
14 more retailers have this diamond
Prices start from $503 CADSave up to $1,788 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
$503 CAD