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Round|Natural|GIA

4.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1236290959

Certificate GIA 1236290959

Diamond specifications and retailer prices

From $107,403 AUD
$75,455 USD
As of October 28, 2026
Save $78,682 AUD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $186,085 AUD at MOH London · As of October 29, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1236290959. Listed at 10 retailers as of October 28, 2026, with prices from $107,403 to $186,085, a $78,682 spread on the same certified stone. MOH London lists it at $186,085. 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
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1236290959
Dimensions10.15 × 10.03 × 6.27 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
10.15 mm10.03 mm4.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1236290959
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $186,085 AUD|Low: $103,403 AUD|High: $187,323 AUD|Avg: $132,206 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$103,403 AUD
Retailer 6$105,336 AUD
Retailer 2$117,505 AUD
Retailer 5$128,392 AUD
Retailer 3$143,574 AUD
Retailer 7$144,114 AUD
MOH London$186,085 AUD

39 data points across 7 retailers

10 retailers$107,403 AUD to $186,085 AUD

Retailer 1
-
$103,403 AUD
$72,645 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
$107,403 AUD
$75,455 USD
View
B+
Retailer 3
-
$117,505 AUD
£65,002 GBP
View
B+
Retailer 4
-
$118,515 AUD
$83,262 USD
View
B+
Retailer 5
-
$123,453 AUD
$86,731 USD
View
B+
Retailer 6
-
$123,453 AUD
$86,731 USD
View
B
Retailer 7
-
$128,392 AUD
$90,201 USD
View
B
Retailer 8
-
$133,330 AUD
$93,670 USD
View
B
Retailer 9
-
$143,574 AUD
€96,064 EUR
View
Most Expensive
B
MOH London
CFAC4117E · Oct 29
$186,085 AUD
£102,939 GBP
View
9 more retailers have this diamond
Prices start from $107,403 AUDSave up to $78,682 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
$107,403 AUD