Round|Natural|GIA

0.45ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566515261

Certificate GIA 2566515261

Diamond specifications and retailer prices

From $378 CAD
As of November 6, 2026
Save $1,609 CAD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,987 CAD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566515261. Listed at 20 retailers as of November 4, 2026, with prices from $378 to $1,987, a $1,609 spread on the same certified stone. NZ Jewellers lists it at $1,987. 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

0.45
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566515261
Dimensions4.91 × 4.93 × 3.04 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather
Top View
4.91 mm4.93 mm0.45 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566515261
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°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: $1,987 CAD|Low: $378 CAD|High: $2,031 CAD|Avg: $769 CAD|-2.1%
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
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2$378 CAD
Retailer 4$447 CAD
Retailer 11$501 CAD
Retailer 18$518 CAD
Retailer 14$557 CAD
Retailer 10$571 CAD
Retailer 3$578 CAD
Retailer 17$665 CAD
Retailer 16$682 CAD
Retailer 7$698 CAD
Retailer 13$701 CAD
Retailer 5$747 CAD
Retailer 9$792 CAD
Retailer 19$807 CAD
Retailer 8$824 CAD
Retailer 15$864 CAD
Retailer 12$1,043 CAD
Retailer 6$1,194 CAD
NZ Jewellers$1,987 CAD

19 data points across 19 retailers

20 retailers$378 CAD to $1,987 CAD

A
Cheapest Retailer
-
$378 CAD
A
Retailer 2
-
$447 CAD
View
A
Retailer 3
-
$501 CAD
View
A
Retailer 4
-
$518 CAD
View
A
Retailer 5
-
$557 CAD
View
Retailer 6
-
$571 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$578 CAD
View
A
Retailer 8
-
$591 CAD
View
B+
Retailer 9
-
$665 CAD
View
B+
Retailer 10
-
$682 CAD
View
B+
Retailer 11
-
$698 CAD
View
B+
Retailer 12
-
$701 CAD
View
B+
Retailer 13
-
$747 CAD
View
B+
Retailer 14
-
$792 CAD
View
B+
Retailer 15
-
$807 CAD
View
B+
Retailer 16
-
$824 CAD
View
B+
Retailer 17
-
$864 CAD
View
B
Retailer 18
-
$1,043 CAD
View
B
Retailer 19
-
$1,194 CAD
View
Most Expensive
B
NZ Jewellers
0a2bfe8e-fc94-4022-b8e1-13fced6c462f · Nov 4
$1,987 CAD
$1,423 USD
View
19 more retailers have this diamond
Prices start from $378 CADSave up to $1,609 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
0.45ct Round
$378 CAD