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0.45ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 800674294

Shape and cutting style on the report: Round brilliant

Certificate IGI 800674294

Diamond specifications and retailer prices

From $356 CAD
As of November 4, 2026
Save $1,257 CAD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,613 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 800674294. Listed at 13 retailers as of November 4, 2026, with prices from $356 to $1,613, a $1,257 spread on the same certified stone. NZ Jewellers lists it at $1,613. 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 angle34°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 800674294
Dimensions4.88 × 4.91 × 3.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.88 mm4.91 mm0.45 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 800674294
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 41.7°Culet: NoneDepth 62.9%

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: $1,613 CAD|Low: $356 CAD|High: $1,613 CAD|Avg: $605 CAD
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 5, 2026
Retailer 5$356 CAD
Retailer 9$363 CAD
Retailer 4$371 CAD
Retailer 14$384 CAD
Retailer 12$397 CAD
Retailer 13$479 CAD
Retailer 7$504 CAD
Retailer 3$538 CAD
Retailer 8$554 CAD
Retailer 6$608 CAD
Retailer 2$690 CAD
Retailer 11$729 CAD
Retailer 10$821 CAD
NZ Jewellers$1,613 CAD

29 data points across 14 retailers

13 retailers$356 CAD to $1,613 CAD

A
Cheapest Retailer
-
$356 CAD
A
Retailer 2
-
$363 CAD
View
Retailer 3
-
$377 CAD
View
Price last confirmed 43 days ago
Retailer 4
-
$384 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$397 CAD
View
B+
Retailer 6
-
$479 CAD
View
B+
Retailer 7
-
$504 CAD
View
B+
Retailer 8
-
$538 CAD
View
A
Retailer 9
-
$554 CAD
View
B+
Retailer 10
-
$608 CAD
View
B+
Retailer 11
-
$690 CAD
View
B
Retailer 12
-
$821 CAD
View
Most Expensive
C
NZ Jewellers
c8024f03-3694-47a2-beab-bb6651a5c213 · Nov 4
$1,613 CAD
$1,155 USD
View
12 more retailers have this diamond
Prices start from $356 CADSave up to $1,257 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
$356 CAD