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Round|Natural|HRD

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • HRD 240000124035

Certificate HRD 240000124035

Diamond specifications and retailer prices

From $6,434 AUD
As of November 4, 2026
Save $5,904 AUD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,338 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 240000124035. Listed at 10 retailers as of November 4, 2026, with prices from $6,434 to $12,338, a $5,904 spread on the same certified stone. NZ Jewellers lists it at $12,338. 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

1.30
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 240000124035
Dimensions6.97 × 6.92 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.97 mm6.92 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 240000124035
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

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: $12,338 AUD|Low: $6,090 AUD|High: $12,541 AUD|Avg: $8,075 AUD|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$6,381 AUD
Retailer 10$6,434 AUD
Retailer 7$6,633 AUD
Retailer 6$6,808 AUD
Retailer 5$7,377 AUD
Retailer 9$7,377 AUD
Retailer 11$7,377 AUD
Retailer 2$8,284 AUD
Retailer 8$8,512 AUD
Retailer 4$11,717 AUD
NZ Jewellers$12,338 AUD

30 data points across 11 retailers

10 retailers$6,434 AUD to $12,338 AUD

A
Cheapest Retailer
-
$6,434 AUD
A
Retailer 2
-
$6,633 AUD
View
A
Retailer 3
-
$6,808 AUD
View
Final sale: no returns
B+
Retailer 4
-
$7,377 AUD
View
Retailer 5
-
$7,377 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$7,377 AUD
View
B+
Retailer 7
-
$8,284 AUD
View
B+
Retailer 8
-
$8,512 AUD
View
B
Retailer 9
-
$11,717 AUD
View
Most Expensive
B
NZ Jewellers
b89e7455-9b1b-48e3-9148-b565e2608f52 · Nov 5
$12,338 AUD
$8,637 USD
View
9 more retailers have this diamond
Prices start from $6,434 AUDSave up to $5,904 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
1.30ct Round
$6,434 AUD