Round|Natural|IGI

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 603372310

Shape and cutting style on the report: Round brilliant

Certificate IGI 603372310

Diamond specifications and retailer prices

From $29,126 SGD
As of November 4, 2026
Save $15,902 SGD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $45,028 SGD 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 603372310. Listed at 13 retailers as of November 4, 2026, with prices from $29,126 to $45,028, a $15,902 spread on the same certified stone. MOH London lists it at $45,028. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 603372310
Dimensions10.35 × 10.43 × 6.10 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.35 mm10.43 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 603372310
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.7%

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 4
Current: $45,028 SGD|Low: $29,126 SGD|High: $45,924 SGD|Avg: $34,572 SGD|-1.9%
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
November 6, 2026
Retailer 4$29,126 SGD
Retailer 7$29,309 SGD
Retailer 2$29,888 SGD
Retailer 10$31,070 SGD
Retailer 12$31,910 SGD
Retailer 5$33,506 SGD
Retailer 9$34,569 SGD
Retailer 8$34,958 SGD
Retailer 11$35,499 SGD
Retailer 3$35,899 SGD
Retailer 6$35,975 SGD
Retailer 13$40,954 SGD
MOH London$45,028 SGD

28 data points across 13 retailers

13 retailers$29,126 SGD to $45,028 SGD

A
Cheapest Retailer
-
$29,126 SGD
A
Retailer 2
-
$29,309 SGD
View
A
Retailer 3
-
$29,888 SGD
View
A
Retailer 4
-
$31,070 SGD
View
Retailer 5
-
$31,910 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$33,506 SGD
View
A
Retailer 7
-
$34,569 SGD
View
A
Retailer 8
-
$34,958 SGD
View
A
Retailer 9
-
$35,499 SGD
View
A
Retailer 10
-
$35,899 SGD
View
A
Retailer 11
-
$35,975 SGD
View
B+
Retailer 12
-
$40,954 SGD
View
Most Expensive
B+
MOH London
1158DA5C2 · Nov 4
$45,028 SGD
£27,758 GBP
View
12 more retailers have this diamond
Prices start from $29,126 SGDSave up to $15,902 SGD

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
$29,126 SGD