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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5476366359

Certificate GIA 5476366359

Diamond specifications and retailer prices

From $461 CAD
As of November 4, 2026
Save $1,508 CAD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,006 CAD at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5476366359. Listed at 16 retailers as of November 4, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5476366359
Dimensions4.90 × 4.86 × 3.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.90 mm4.86 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5476366359
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $1,969 CAD|Low: $461 CAD|High: $2,006 CAD|Avg: $782 CAD|-1.8%
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
November 6, 2026
Retailer 7$461 CAD
Retailer 3$465 CAD
Retailer 11$501 CAD
Retailer 10$520 CAD
Retailer 9$527 CAD
Retailer 5$560 CAD
Retailer 4$627 CAD
Retailer 13$634 CAD
Retailer 2$658 CAD
Retailer 12$711 CAD
Retailer 6$934 CAD
Retailer 8$1,184 CAD
NZ Jewellers$1,969 CAD

40 data points across 13 retailers

16 retailers$461 CAD to $1,969 CAD

A
Cheapest Retailer
-
$461 CAD
A
Retailer 2
-
$465 CAD
View
Retailer 3
-
$473 CAD
View
Price last confirmed 51 days ago
Retailer 4
-
$501 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$520 CAD
View
A
Retailer 6
-
$527 CAD
View
B+
Retailer 7
-
$627 CAD
View
B+
Retailer 8
-
$634 CAD
View
Retailer 9
-
$638 CAD
View
Price last confirmed 53 days ago
B+
Retailer 10
-
$658 CAD
View
B+
Retailer 11
-
$711 CAD
View
B+
Retailer 12
-
$783 CAD
View
B+
Retailer 13
-
$934 CAD
View
B
Retailer 14
-
$1,184 CAD
View
B
Retailer 15
-
$1,969 CAD
View
Most Expensive
NZ Jewellers
002be952-fe62-4d83-9b94-e61d8dcc6a1b · Sep 15
$2,006 CAD
$1,436 USD
View
Price last confirmed 51 days ago
15 more retailers have this diamond
Prices start from $461 CADSave up to $1,508 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
$461 CAD