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Round|Natural|GIA

0.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6481858730

Certificate GIA 6481858730

Diamond specifications and retailer prices

From $816 CAD
As of November 4, 2026
Save $1,743 CAD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,559 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6481858730. Listed at 15 retailers as of November 4, 2026, with prices from $816 to $2,559, a $1,743 spread on the same certified stone. NZ Jewellers lists it at $2,559. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6481858730
Dimensions4.92 × 4.89 × 3.05 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
4.92 mm4.89 mm0.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6481858730
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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 4
Current: $1,134 CAD|Low: $863 CAD|High: $1,906 CAD|Avg: $1,140 CAD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$878 CAD
Retailer 9$899 CAD
Retailer 3$909 CAD
Retailer 8$997 CAD
Retailer 2$1,081 CAD
Retailer 1$1,134 CAD
Retailer 6$1,226 CAD
Retailer 4$1,264 CAD
Retailer 5$1,881 CAD

45 data points across 9 retailers

15 retailers$816 CAD to $2,559 CAD

A
Cheapest Retailer
-
$816 CAD
A
Retailer 2
-
$821 CAD
View
A
Retailer 3
-
$878 CAD
View
A
Retailer 4
-
$909 CAD
View
A
Retailer 5
-
$929 CAD
View
B+
Retailer 6
-
$941 CAD
View
B+
Retailer 7
-
$997 CAD
View
B+
Retailer 8
-
$1,054 CAD
View
B+
Retailer 9
-
$1,081 CAD
View
B+
Retailer 10
-
$1,134 CAD
View
Retailer 11
-
$1,226 CAD
View
Price last confirmed 33 days ago
B+
Retailer 12
-
$1,264 CAD
View
B
Retailer 13
-
$1,835 CAD
View
B
Retailer 14
-
$1,881 CAD
View
Most Expensive
B
NZ Jewellers
da56ff39-5a04-448e-b7b5-04e6b2156d9f · Nov 4
$2,559 CAD
$1,832 USD
View
14 more retailers have this diamond
Prices start from $816 CADSave up to $1,743 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
$816 CAD