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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

ID • E/SI1 • GIA 56

Certificate GIA 56

Diamond specifications and retailer prices

From $3,443 AUD
As of November 4, 2026
Save $8,215 AUD (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,029 AUD at Aurelinne · As of September 7, 2026
View at Aurelinne

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 20 retailers as of November 4, 2026, with a 239% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 56
Dimensions6.51 × 6.54 × 3.92 mm
L/W Ratio1.00
Top View
6.51 mm6.54 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 56
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.7%

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: $4,365 AUD|Low: $3,564 AUD|High: $11,658 AUD|Avg: $5,816 AUD|-26.2%
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 3$3,578 AUD
Retailer 2$3,597 AUD
Retailer 8$3,680 AUD
Retailer 7$3,783 AUD
Retailer 6$3,928 AUD
Aurelinne$4,365 AUD
Retailer 9$5,125 AUD
Retailer 4$6,187 AUD
Retailer 5$7,910 AUD
Retailer 10$11,658 AUD

26 data points across 10 retailers

20 retailers$3,443 AUD to $11,658 AUD

A
Cheapest Retailer
-
$3,443 AUD
A
Retailer 2
-
$3,578 AUD
View
A
Retailer 3
-
$3,597 AUD
View
A
Retailer 4
-
$3,680 AUD
View
A
Retailer 5
-
$3,783 AUD
View
A
Retailer 6
-
$3,928 AUD
View
A
Retailer 7
-
$4,365 AUD
View
Retailer 8
-
$4,671 AUD
View
Price last confirmed 30 days ago
Retailer 9
-
$5,125 AUD
View
Price last confirmed 60 days ago
Retailer 10
-
$5,125 AUD
View
Price last confirmed 23 days ago
Retailer 11
-
$5,915 AUD
View
Price last confirmed 60 days ago
Retailer 12
-
$5,915 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$6,187 AUD
View
B
Retailer 14
-
$7,910 AUD
View
Retailer 15
-
$8,931 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
$9,222 AUD
View
B
Retailer 17
-
$10,011 AUD
View
Retailer 18
-
$11,292 AUD
View
Price last confirmed 60 days ago
B
Retailer 19
-
$11,658 AUD
View
Most Expensive
Aurelinne
4223806a-9c63-426d-bce4-c8fafefb5b04 · Sep 7
$13,029 AUD
$9,121 USD
View
Price last confirmed 60 days ago
19 more retailers have this diamond
Prices start from $3,443 AUDSave up to $8,215 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
1.01ct Round
$3,443 AUD