Marquise|Natural|IGI

4.01ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 801638265

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 801638265

Diamond specifications and retailer prices

From €42,216 EUR
$47,350 USD
As of November 1, 2026
15 retailers carry this diamond
Most expensive: €68,375 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 4.01ct natural marquise diamond

This 4.01ct natural marquise sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 801638265. Listed at 15 retailers as of November 1, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.01
Carat
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle36.9°
OriginNatural
Grading LabIGI
CertificateIGI 801638265
Dimensions16.30 × 8.34 × 4.87 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
16.30 mm8.34 mm4.01 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638265
Side View
Table 61.0%Crown 38.4°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 58.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €68,375 EUR|Low: €38,623 EUR|High: €68,831 EUR|Avg: €49,865 EUR|-0.7%
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
Retailer 15
Retailer 16
Retailer 17
October 28, 2026
Retailer 9€38,623 EUR
Retailer 2€42,216 EUR
Retailer 16€42,936 EUR
Retailer 6€45,363 EUR
Retailer 12€45,863 EUR
Retailer 10€46,288 EUR
Retailer 7€46,540 EUR
Retailer 17€48,069 EUR
Retailer 3€49,381 EUR
Retailer 15€50,072 EUR
Retailer 8€50,928 EUR
Retailer 4€52,075 EUR
Retailer 13€52,447 EUR
Retailer 14€53,805 EUR
Retailer 5€54,077 EUR
Retailer 11€63,101 EUR
MOH London€68,375 EUR

31 data points across 17 retailers

15 retailers

B+
Cheapest Retailer
-
€42,216 EUR
$47,350 USD
Retailer 2
-
€42,936 EUR
$48,157 USD
View
Price last confirmed 12 days ago
Retailer 3
-
€43,563 EUR
$48,860 USD
View
Price last confirmed 13 days ago
Retailer 4
-
€45,363 EUR
$50,879 USD
View
Price last confirmed 12 days ago
Retailer 5
-
€45,863 EUR
£40,504 GBP
View
Price last confirmed 12 days ago
Retailer 6
-
€46,540 EUR
$52,200 USD
View
Price last confirmed 10 days ago
Retailer 7
-
€48,069 EUR
$53,914 USD
View
Price last confirmed 17 days ago
Retailer 8
-
€49,381 EUR
$55,386 USD
View
Price last confirmed 12 days ago
Retailer 9
-
€50,072 EUR
$56,161 USD
View
Price last confirmed 16 days ago
Retailer 10
-
€50,928 EUR
$57,121 USD
View
Price last confirmed 12 days ago
Retailer 11
-
€52,075 EUR
$58,407 USD
View
Price last confirmed 13 days ago
Retailer 12
-
€53,545 EUR
$60,056 USD
View
Price last confirmed 15 days ago
Retailer 13
-
€53,805 EUR
ZAR 974,921 ZAR
View
Price last confirmed 15 days ago
Retailer 14
-
€54,077 EUR
$60,653 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
CB0853DB8 · Oct 21
€68,375 EUR
£60,386 GBP
View
Price last confirmed 12 days ago
14 more retailers have this diamond
Prices start from €42,216 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.

B+
4.01ct Marquise
€42,216 EUR