Marquise|Natural|IGI

4.01ct E SI2 Marquise Natural Diamond

ID • E/SI2 • IGI 26

Certificate IGI 26

Diamond specifications and retailer prices

From $40,658 CAD
$29,106 USD
As of October 28, 2026
Save $19,389 CAD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $60,047 CAD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 4.01ct natural marquise diamond

This 4.01ct natural marquise sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from $40,658 to $60,047, a $19,389 spread on the same certified stone. Helzberg Diamonds lists it at $60,047. 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
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 26
Dimensions16.28 × 8.46 mm
L/W Ratio1.92
Top View
16.28 mm8.46 mm4.01 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 26
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCuletDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $60,047 CAD|Low: $40,658 CAD|High: $66,740 CAD|Avg: $52,946 CAD|-10.0%
Helzberg Diamonds
Retailer 2
October 24, 2026
Retailer 2$40,658 CAD
Helzberg Diamonds$60,047 CAD

12 data points across 2 retailers

2 retailers$40,658 CAD to $60,047 CAD

A
Cheapest Retailer
-
$40,658 CAD
$29,106 USD
Most Expensive
A
Helzberg Diamonds
ZXZNPIMNOHLL · Oct 29
$60,047 CAD
$42,986 USD
View
1 more retailer has this diamond
Prices start from $40,658 CADSave up to $19,389 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 Marquise
$40,658 CAD