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4.56ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 588362937

Shape and cutting style on the report: Round brilliant

Certificate IGI 588362937

Diamond specifications and retailer prices

From $35,543 CAD
As of November 4, 2026
Save $21,943 CAD (38%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $57,487 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 4.56ct natural round diamond

This 4.56ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 588362937. Listed at 16 retailers as of November 4, 2026, with prices from $35,543 to $57,487, a $21,943 spread on the same certified stone. MOH London lists it at $57,487. 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

4.56
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 588362937
Dimensions10.44 × 10.36 × 6.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.44 mm10.36 mm4.56 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 588362937
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.4%

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: $57,487 CAD|Low: $35,543 CAD|High: $58,336 CAD|Avg: $42,906 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$35,543 CAD
Retailer 6$37,471 CAD
Retailer 5$38,129 CAD
Retailer 11$38,446 CAD
Retailer 9$40,739 CAD
Retailer 8$42,776 CAD
Retailer 10$44,134 CAD
Retailer 4$44,434 CAD
Retailer 3$45,832 CAD
Retailer 2$45,930 CAD
MOH London$57,487 CAD

36 data points across 11 retailers

16 retailers$35,543 CAD to $57,487 CAD

A
Cheapest Retailer
-
$35,543 CAD
A
Retailer 2
-
$36,651 CAD
View
A
Retailer 3
-
$37,091 CAD
View
A
Retailer 4
-
$37,471 CAD
View
A
Retailer 5
-
$38,129 CAD
View
A
Retailer 6
-
$38,446 CAD
View
A
Retailer 7
-
$39,608 CAD
View
Retailer 8
-
$40,739 CAD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$42,751 CAD
View
B+
Retailer 10
-
$42,776 CAD
View
B+
Retailer 11
-
$44,134 CAD
View
A
Retailer 12
-
$44,434 CAD
View
B+
Retailer 13
-
$45,336 CAD
View
B+
Retailer 14
-
$45,832 CAD
View
A
Retailer 15
-
$45,930 CAD
View
Most Expensive
B+
MOH London
D94B529EA · Nov 4
$57,487 CAD
£32,411 GBP
View
15 more retailers have this diamond
Prices start from $35,543 CADSave up to $21,943 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
4.56ct Round
$35,543 CAD