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1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • HRD 260000207408

Certificate HRD 260000207408

Diamond specifications and retailer prices

From $3,900 AUD
As of November 6, 2026
Save $5,131 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,031 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000207408. Listed at 14 retailers as of November 5, 2026, with prices from $3,900 to $9,031, a $5,131 spread on the same certified stone. NZ Jewellers lists it at $9,031. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000207408
Dimensions6.95 × 6.91 × 4.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.95 mm6.91 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000207408
Side View
Table 56.0%Crown 36.6°Girdle: MED-MEDPavilion 40.8°Culet: NoneDepth 63.2%

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 6
Current: $9,031 AUD|Low: $3,900 AUD|High: $9,478 AUD|Avg: $6,028 AUD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$3,900 AUD
Retailer 8$4,465 AUD
Retailer 9$4,645 AUD
Retailer 13$4,784 AUD
Retailer 5$4,847 AUD
Retailer 4$5,183 AUD
Retailer 11$5,383 AUD
Retailer 6$5,741 AUD
Retailer 7$5,958 AUD
Retailer 12$5,981 AUD
Retailer 3$7,558 AUD
Retailer 10$8,644 AUD
NZ Jewellers$9,031 AUD

35 data points across 13 retailers

14 retailers$3,900 AUD to $9,031 AUD

A
Cheapest Retailer
-
$3,900 AUD
A
Retailer 2
-
$4,465 AUD
View
A
Retailer 3
-
$4,645 AUD
View
A
Retailer 4
-
$4,700 AUD
View
A
Retailer 5
-
$4,784 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,847 AUD
View
A
Retailer 7
-
$5,183 AUD
View
A
Retailer 8
-
$5,383 AUD
View
A
Retailer 9
-
$5,741 AUD
View
A
Retailer 10
-
$5,958 AUD
View
A
Retailer 11
-
$5,981 AUD
View
B+
Retailer 12
-
$7,558 AUD
View
B+
Retailer 13
-
$8,644 AUD
View
Most Expensive
B+
NZ Jewellers
9e324557-6adb-432d-97fc-78b6d8edf783 · Nov 5
$9,031 AUD
$6,322 USD
View
13 more retailers have this diamond
Prices start from $3,900 AUDSave up to $5,131 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
$3,900 AUD