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Round|Natural|IGI

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 843671487

Shape and cutting style on the report: Round brilliant

Certificate IGI 843671487

Diamond specifications and retailer prices

From $27,225 CAD
As of November 5, 2026
Save $19,437 CAD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $46,662 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 4.02ct natural round diamond

This 4.02ct 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 843671487. Listed at 15 retailers as of November 4, 2026, with prices from $27,225 to $46,662, a $19,437 spread on the same certified stone. MOH London lists it at $46,662. 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

4.02
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 843671487
Dimensions10.08 × 10.14 × 6.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.08 mm10.14 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843671487
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 5
Current: $46,662 CAD|Low: $27,225 CAD|High: $47,288 CAD|Avg: $35,061 CAD|-1.3%
MOH London
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 9$27,225 CAD
Retailer 6$30,400 CAD
Retailer 8$30,619 CAD
Retailer 2$30,972 CAD
Retailer 5$32,220 CAD
Retailer 13$33,069 CAD
Retailer 12$34,722 CAD
Retailer 11$35,824 CAD
Retailer 10$36,113 CAD
Retailer 4$36,782 CAD
Retailer 3$37,201 CAD
Retailer 7$37,281 CAD
Retailer 14$42,441 CAD
MOH London$46,662 CAD

26 data points across 14 retailers

15 retailers$27,225 CAD to $46,662 CAD

A
Cheapest Retailer
-
$27,225 CAD
A
Retailer 2
-
$30,400 CAD
View
A
Retailer 3
-
$30,619 CAD
View
A
Retailer 4
-
$30,972 CAD
View
A
Retailer 5
-
$32,220 CAD
View
A
Retailer 6
-
$32,287 CAD
View
Retailer 7
-
$33,069 CAD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$34,722 CAD
View
A
Retailer 9
-
$35,824 CAD
View
A
Retailer 10
-
$36,113 CAD
View
B+
Retailer 11
-
$36,782 CAD
View
B+
Retailer 12
-
$37,201 CAD
View
A
Retailer 13
-
$37,281 CAD
View
B+
Retailer 14
-
$42,441 CAD
View
Most Expensive
B+
MOH London
5549054B1 · Nov 4
$46,662 CAD
£26,308 GBP
View
14 more retailers have this diamond
Prices start from $27,225 CADSave up to $19,437 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
4.02ct Round
$27,225 CAD