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Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503101550

Certificate GIA 1503101550

Diamond specifications and retailer prices

From $330 CAD
As of November 6, 2026
Save $1,465 CAD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,795 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503101550. Listed at 15 retailers as of November 4, 2026, with prices from $330 to $1,795, a $1,465 spread on the same certified stone. NZ Jewellers lists it at $1,795. 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
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1503101550
Dimensions4.91 × 4.94 × 3.04 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal
Top View
4.91 mm4.94 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1503101550
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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 6
Current: $330 CAD|Low: $330 CAD|High: $1,094 CAD|Avg: $671 CAD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$330 CAD
Retailer 6$554 CAD
Retailer 2$595 CAD
Retailer 3$628 CAD
Retailer 4$768 CAD
Retailer 5$1,081 CAD

41 data points across 6 retailers

15 retailers$330 CAD to $1,795 CAD

A
Cheapest Retailer
-
$330 CAD
A
Retailer 2
-
$468 CAD
View
Retailer 3
-
$504 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$514 CAD
View
B+
Retailer 5
-
$521 CAD
View
B+
Retailer 6
-
$522 CAD
View
B+
Retailer 7
-
$554 CAD
View
B+
Retailer 8
-
$595 CAD
View
B+
Retailer 9
-
$628 CAD
View
B+
Retailer 10
-
$630 CAD
View
B+
Retailer 11
-
$687 CAD
View
B+
Retailer 12
-
$739 CAD
View
B+
Retailer 13
-
$768 CAD
View
B
Retailer 14
-
$1,081 CAD
View
Most Expensive
C
NZ Jewellers
40551fbb-139f-461a-9534-dc504a8d4965 · Nov 4
$1,795 CAD
$1,285 USD
View
14 more retailers have this diamond
Prices start from $330 CADSave up to $1,465 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
$330 CAD