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Round|Natural|GIA

0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2468181965

Certificate GIA 2468181965

Diamond specifications and retailer prices

From $323 CAD
As of November 6, 2026
Save $737 CAD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,906 CAD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2468181965. Listed at 16 retailers as of November 1, 2026, with a 229% 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2468181965
Dimensions4.90 × 4.86 × 3.07 mm
L/W Ratio1.01
Key to symbols
Feather, Twinning Wisp
Top View
4.90 mm4.86 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2468181965
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NDepth 62.9%

Caratlytics Score

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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: $323 CAD|Low: $323 CAD|High: $1,095 CAD|Avg: $627 CAD|-6.9%
Retailer 1
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 1$323 CAD
Retailer 12$348 CAD
Retailer 3$392 CAD
Retailer 13$430 CAD
Retailer 7$482 CAD
Retailer 4$524 CAD
Retailer 8$564 CAD
Retailer 10$602 CAD
Retailer 6$627 CAD
Retailer 2$694 CAD
Retailer 9$754 CAD
Retailer 11$754 CAD
Retailer 5$1,060 CAD

23 data points across 13 retailers

16 retailers$323 CAD to $1,060 CAD

A
Cheapest Retailer
-
$323 CAD
A
Retailer 2
-
$348 CAD
View
A
Retailer 3
-
$392 CAD
View
A
Retailer 4
-
$430 CAD
View
A
Retailer 5
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$482 CAD
View
A
Retailer 6
-
$524 CAD
View
Retailer 7
-
$554 CAD
View
Price last confirmed 38 days ago
A
Retailer 8
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$564 CAD
View
A
Retailer 9
-
$602 CAD
View
B+
Retailer 10
-
$627 CAD
View
Retailer 11
-
$669 CAD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$694 CAD
View
B+
Retailer 13
-
$754 CAD
View
B+
Retailer 14
-
$754 CAD
View
B
Retailer 15
-
$1,060 CAD
View
Most Expensive
NZ Jewellers
06052c80-4d99-45f9-b35b-e860b868b288 · Sep 28
$1,906 CAD
$1,365 USD
View
Price last confirmed 39 days ago
15 more retailers have this diamond
Prices start from $323 CADSave up to $737 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
$323 CAD