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Round|Natural|GIA

4.01ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1528881482

Certificate GIA 1528881482

Diamond specifications and retailer prices

From $76,732 AUD
$53,900 USD
As of October 25, 2026
Save $61,766 AUD (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $138,498 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528881482. Listed at 10 retailers as of October 25, 2026, with prices from $76,732 to $138,498, a $61,766 spread on the same certified stone. MOH London lists it at $138,498. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1528881482
Dimensions10.14 × 10.10 × 6.35 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud
Top View
10.14 mm10.10 mm4.01 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1528881482
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

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 25
Current: $138,498 AUD|Low: $76,732 AUD|High: $139,420 AUD|Avg: $95,813 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$76,732 AUD
Retailer 5$80,856 AUD
Retailer 10$88,208 AUD
Retailer 2$88,555 AUD
Retailer 6$91,883 AUD
Retailer 7$91,883 AUD
Retailer 8$95,559 AUD
Retailer 9$99,233 AUD
Retailer 3$105,144 AUD
MOH London$138,498 AUD

40 data points across 10 retailers

10 retailers$76,732 AUD to $138,498 AUD

A
Cheapest Retailer
-
$76,732 AUD
$53,900 USD
A
Retailer 2
-
$80,735 AUD
$56,712 USD
View
A
Retailer 3
-
$80,856 AUD
$56,797 USD
View
Final sale: no returns
A
Retailer 4
-
$88,555 AUD
£48,980 GBP
View
B+
Retailer 5
-
$91,883 AUD
$64,543 USD
View
B+
Retailer 6
-
$91,883 AUD
$64,543 USD
View
B+
Retailer 7
-
$95,559 AUD
$67,125 USD
View
B+
Retailer 8
-
$99,233 AUD
$69,706 USD
View
B+
Retailer 9
-
$105,144 AUD
€70,341 EUR
View
Most Expensive
B
MOH London
C718A22AE · Oct 29
$138,498 AUD
£76,604 GBP
View
9 more retailers have this diamond
Prices start from $76,732 AUDSave up to $61,766 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
$76,732 AUD