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Round|Natural|IGI

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 605300501

Certificate IGI 605300501

Diamond specifications and retailer prices

From $22,597 CAD
As of November 5, 2026
Save $16,960 CAD (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $39,557 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 4.01ct natural round diamond

This 4.01ct 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 605300501. Listed at 13 retailers as of November 4, 2026, with prices from $22,597 to $39,557, a $16,960 spread on the same certified stone. MOH London lists it at $39,557. 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

4.01
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 605300501
Dimensions10.09 × 10.02 × 6.35 mm
L/W Ratio1.01
Top View
10.09 mm10.02 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 605300501
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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 5
Current: $39,557 CAD|Low: $22,597 CAD|High: $40,140 CAD|Avg: $28,804 CAD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$22,597 CAD
Retailer 6$25,771 CAD
Retailer 2$26,369 CAD
Retailer 7$26,718 CAD
Retailer 5$27,366 CAD
Retailer 8$29,435 CAD
Retailer 3$30,577 CAD
MOH London$39,557 CAD

40 data points across 8 retailers

13 retailers$22,597 CAD to $39,557 CAD

A
Cheapest Retailer
-
$22,597 CAD
A
Retailer 2
-
$25,771 CAD
View
A
Retailer 3
-
$26,369 CAD
View
Retailer 4
-
$26,640 CAD
View
Price last confirmed 72 days ago
A
Retailer 5
-
$27,366 CAD
View
Retailer 6
-
$28,033 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$29,435 CAD
View
A
Retailer 8
-
$30,369 CAD
View
A
Retailer 9
-
$30,577 CAD
View
B+
Retailer 10
-
$31,167 CAD
View
B+
Retailer 11
-
$31,537 CAD
View
B+
Retailer 12
-
$35,978 CAD
View
Most Expensive
B+
MOH London
2EF3E7210 · Nov 4
$39,557 CAD
£22,302 GBP
View
12 more retailers have this diamond
Prices start from $22,597 CADSave up to $16,960 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
4.01ct Round
$22,597 CAD