CaratHunter
Plans
Round|Natural|IGI

4.01ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 830652606

Shape and cutting style on the report: Round brilliant

Certificate IGI 830652606

Diamond specifications and retailer prices

From $67,572 AUD
$47,466 USD
As of October 28, 2026
Save $12,876 AUD (16%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $80,448 AUD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 4.01ct natural round diamond

This 4.01ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 830652606. Listed at 6 retailers as of October 28, 2026, with prices from $67,572 to $80,448, a $12,876 spread on the same certified stone. Frank Darling lists it at $80,448. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 830652606
Dimensions10.27 × 10.32 × 6.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
10.27 mm10.32 mm4.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830652606
Side View
Table 57.0%Crown 34°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.5%

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: Oct 28
Current: $80,448 AUD|Low: $67,572 AUD|High: $80,543 AUD|Avg: $74,179 AUD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 23, 2026
Retailer 6$67,572 AUD
Retailer 3$67,699 AUD
Retailer 7$70,164 AUD
Retailer 4$76,162 AUD
Retailer 2$79,122 AUD
Retailer 5$80,291 AUD
Frank Darling$80,448 AUD

18 data points across 7 retailers

6 retailers$67,572 AUD to $80,448 AUD

A
Cheapest Retailer
-
$67,572 AUD
$47,466 USD
Retailer 2
-
$67,699 AUD
$47,555 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
$70,164 AUD
$49,286 USD
View
A
Retailer 4
-
$76,162 AUD
SGD 72,297 SGD
View
A
Retailer 5
-
$79,122 AUD
$55,579 USD
View
Most Expensive
A
Frank Darling
265065-71HK · Oct 29
$80,448 AUD
$56,510 USD
View
5 more retailers have this diamond
Prices start from $67,572 AUDSave up to $12,876 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.

A
4.01ct Round
$67,572 AUD