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Marquise|Natural|IGI

4.01ct E SI2 Marquise Natural Diamond

ID • E/SI2 • IGI 26

Certificate IGI 26

Diamond specifications and retailer prices

From €26,052 EUR
$29,106 USD
As of October 31, 2026
Save €12,424 EUR (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €38,476 EUR at Helzberg Diamonds · As of October 31, 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 31, 2026, with prices from €26,052 to €38,476, a €12,424 spread on the same certified stone. Helzberg Diamonds lists it at €38,476. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €38,476 EUR|Low: €26,052 EUR|High: €42,765 EUR|Avg: €33,926 EUR|-10.0%
Helzberg Diamonds
Retailer 2
October 24, 2026
Retailer 2€26,052 EUR
Helzberg Diamonds€38,476 EUR

12 data points across 2 retailers

2 retailers€26,052 EUR to €38,476 EUR

A
Cheapest Retailer
-
€26,052 EUR
$29,106 USD
Most Expensive
A
Helzberg Diamonds
ZXZNPIMNOHLL · Oct 31
€38,476 EUR
$42,986 USD
View
1 more retailer has this diamond
Prices start from €26,052 EURSave up to €12,424 EUR

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
€26,052 EUR