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Round|Natural|IGI

4.01ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 773617829

Shape and cutting style on the report: Round brilliant

Certificate IGI 773617829

Diamond specifications and retailer prices

From $30,177 AUD
As of November 4, 2026
9 retailers carry this diamond
Most expensive: $38,100 AUD at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

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 773617829. Listed at 9 retailers as of November 4, 2026. 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 angle36.6°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 773617829
Dimensions10.03 × 10.09 × 6.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
10.03 mm10.09 mm4.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773617829
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $38,100 AUD|Low: $25,084 AUD|High: $44,869 AUD|Avg: $33,330 AUD|-6.4%
NZ Jewellers
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
November 4, 2026
Retailer 14$27,290 AUD
Retailer 8$28,246 AUD
Retailer 9$28,729 AUD
Retailer 3$28,970 AUD
Retailer 4$29,686 AUD
Retailer 2$30,177 AUD
Retailer 7$32,160 AUD
Retailer 6$32,234 AUD
Retailer 12$32,464 AUD
Retailer 5$33,008 AUD
Retailer 11$33,310 AUD
Retailer 10$33,395 AUD
NZ Jewellers$38,100 AUD
Retailer 13$42,508 AUD

23 data points across 14 retailers

9 retailers

Retailer 1
-
$27,290 AUD
Price last confirmed 25 days ago
Retailer 2
-
$28,729 AUD
View
Price last confirmed 23 days ago
Retailer 3
-
$29,686 AUD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$30,177 AUD
View
Retailer 5
-
$32,160 AUD
View
Price last confirmed 23 days ago
Retailer 6
-
$32,234 AUD
View
Price last confirmed 38 days ago
Retailer 7
-
$33,310 AUD
View
Price last confirmed 25 days ago
Retailer 8
-
$33,395 AUD
View
Price last confirmed 24 days ago
Most Expensive
NZ Jewellers
122347a2-3bb6-4b62-8829-e59d14d176d4 · Oct 14
$38,100 AUD
$26,671 USD
View
Price last confirmed 23 days ago
8 more retailers have this diamond
Prices start from $30,177 AUD

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 Round
$30,177 AUD