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0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 813687916

Shape and cutting style on the report: Round brilliant

Certificate IGI 813687916

Diamond specifications and retailer prices

From $233 CAD
As of November 6, 2026
Save $1,293 CAD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,526 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 813687916. Listed at 14 retailers as of November 4, 2026, with prices from $233 to $1,526, a $1,293 spread on the same certified stone. NZ Jewellers lists it at $1,526. 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
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 813687916
Dimensions4.94 × 4.99 × 3.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.94 mm4.99 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 813687916
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.9%

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: $1,526 CAD|Low: $233 CAD|High: $1,546 CAD|Avg: $560 CAD|-1.3%
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
November 6, 2026
Retailer 2$233 CAD
Retailer 5$337 CAD
Retailer 6$376 CAD
Retailer 12$377 CAD
Retailer 11$394 CAD
Retailer 3$434 CAD
Retailer 14$454 CAD
Retailer 10$487 CAD
Retailer 8$540 CAD
Retailer 9$580 CAD
Retailer 7$677 CAD
Retailer 4$763 CAD
Retailer 13$777 CAD
NZ Jewellers$1,526 CAD

23 data points across 14 retailers

14 retailers$233 CAD to $1,526 CAD

A
Cheapest Retailer
-
$233 CAD
A
Retailer 2
-
$337 CAD
View
A
Retailer 3
-
$376 CAD
View
A
Retailer 4
-
$377 CAD
View
A
Retailer 5
-
$394 CAD
View
A
Retailer 6
-
$434 CAD
View
A
Retailer 7
-
$454 CAD
View
B+
Retailer 8
-
$487 CAD
View
B+
Retailer 9
-
$540 CAD
View
A
Retailer 10
-
$580 CAD
View
B+
Retailer 11
-
$677 CAD
View
B
Retailer 12
-
$763 CAD
View
B+
Retailer 13
-
$777 CAD
View
Most Expensive
B
NZ Jewellers
ad866bcd-340a-4b6b-b2f6-6286ce64cc9e · Nov 4
$1,526 CAD
$1,093 USD
View
13 more retailers have this diamond
Prices start from $233 CADSave up to $1,293 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
$233 CAD