CaratHunter
Plans
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 $22,803 USD
As of November 4, 2026
Save $12,450 USD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,253 USD 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 $22,803 to $35,253, a $12,450 spread on the same certified stone. MOH London lists it at $35,253. 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
Color
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: $35,253 USD|Low: $22,803 USD|High: $35,954 USD|Avg: $27,066 USD|-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$22,803 USD
Retailer 7$22,946 USD
Retailer 2$23,399 USD
Retailer 10$24,325 USD
Retailer 12$24,982 USD
Retailer 5$26,232 USD
Retailer 9$27,064 USD
Retailer 8$27,369 USD
Retailer 11$27,792 USD
Retailer 3$28,105 USD
Retailer 6$28,165 USD
Retailer 13$32,063 USD
MOH London$35,253 USD

28 data points across 13 retailers

13 retailers$22,803 USD to $35,253 USD

A
Cheapest Retailer
-
$22,803 USD
A
Retailer 2
-
$22,946 USD
View
A
Retailer 3
-
$23,399 USD
View
A
Retailer 4
-
$24,325 USD
View
Retailer 5
-
$24,982 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$26,232 USD
View
A
Retailer 7
-
$27,064 USD
View
A
Retailer 8
-
$27,369 USD
View
A
Retailer 9
-
$27,792 USD
View
A
Retailer 10
-
$28,105 USD
View
A
Retailer 11
-
$28,165 USD
View
B+
Retailer 12
-
$32,063 USD
View
Most Expensive
B+
MOH London
1158DA5C2 · Nov 4
$35,253 USD
£27,758 GBP
View
12 more retailers have this diamond
Prices start from $22,803 USDSave up to $12,450 USD

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
$22,803 USD