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4.01ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 764659462

Shape and cutting style on the report: Round brilliant

Certificate IGI 764659462

Diamond specifications and retailer prices

From €28,489 EUR
₹3,031,260 INR
As of November 1, 2026
Save €22,992 EUR (45%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €51,481 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 764659462. Listed at 16 retailers as of November 1, 2026, with prices from €28,489 to €51,481, a €22,992 spread on the same certified stone. MOH London lists it at €51,481. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 764659462
Dimensions10.06 × 10.13 × 6.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.06 mm10.13 mm4.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 764659462
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €51,481 EUR|Low: €28,423 EUR|High: €52,101 EUR|Avg: €36,788 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4€28,489 EUR
Retailer 8€33,126 EUR
Retailer 7€33,352 EUR
Retailer 2€33,472 EUR
Retailer 5€34,789 EUR
Retailer 3€38,554 EUR
Retailer 6€41,308 EUR
MOH London€51,481 EUR

34 data points across 8 retailers

16 retailers€28,489 EUR to €51,481 EUR

A
Cheapest Retailer
-
€28,489 EUR
₹3,031,260 INR
A
Retailer 2
-
€32,683 EUR
$36,514 USD
View
A
Retailer 3
-
€33,126 EUR
$37,009 USD
View
A
Retailer 4
-
€33,352 EUR
$37,261 USD
View
Final sale: no returns
A
Retailer 5
-
€33,472 EUR
£29,445 GBP
View
A
Retailer 6
-
€34,337 EUR
$38,361 USD
View
A
Retailer 7
-
€34,789 EUR
£30,603 GBP
View
A
Retailer 8
-
€35,284 EUR
$39,420 USD
View
Retailer 9
-
€36,385 EUR
$40,650 USD
View
Price last confirmed 8 days ago
Retailer 10
-
€37,902 EUR
$42,344 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
€38,554 EUR
View
B+
Retailer 12
-
€39,417 EUR
$44,037 USD
View
B+
Retailer 13
-
€40,516 EUR
$45,264 USD
View
B+
Retailer 14
-
€40,933 EUR
$45,731 USD
View
B+
Retailer 15
-
€41,308 EUR
ZAR 745,549 ZAR
View
Most Expensive
B+
MOH London
F96E90758 · Nov 1
€51,481 EUR
£45,287 GBP
View
15 more retailers have this diamond
Prices start from €28,489 EURSave up to €22,992 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 Round
€28,489 EUR