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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2446358918

Certificate GIA 2446358918

Diamond specifications and retailer prices

From $4,068 AUD
As of November 6, 2026
Save $5,344 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,412 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2446358918. Listed at 14 retailers as of November 5, 2026, with prices from $4,068 to $9,412, a $5,344 spread on the same certified stone. Diamond Quarter lists it at $9,412. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2446358918
Dimensions6.96 × 6.93 × 4.35 mm
L/W Ratio1.00
Top View
6.96 mm6.93 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2446358918
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 6
Current: $4,225 AUD|Low: $4,068 AUD|High: $7,930 AUD|Avg: $5,182 AUD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 14$4,068 AUD
Retailer 11$4,090 AUD
Retailer 6$4,192 AUD
Retailer 1$4,225 AUD
Retailer 5$4,542 AUD
Retailer 7$4,643 AUD
Retailer 13$4,717 AUD
Retailer 12$4,749 AUD
Retailer 9$5,212 AUD
Retailer 3$5,241 AUD
Retailer 2$5,279 AUD
Retailer 8$5,285 AUD
Retailer 10$7,574 AUD
Retailer 4$7,913 AUD

28 data points across 14 retailers

14 retailers$4,068 AUD to $9,412 AUD

A
Cheapest Retailer
-
$4,068 AUD
A
Retailer 2
-
$4,090 AUD
View
A
Retailer 3
-
$4,192 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,225 AUD
View
A
Retailer 5
-
$4,542 AUD
View
A
Retailer 6
-
$4,643 AUD
View
A
Retailer 7
-
$4,717 AUD
View
A
Retailer 8
-
$4,749 AUD
View
A
Retailer 9
-
$5,212 AUD
View
B+
Retailer 10
-
$5,241 AUD
View
A
Retailer 11
-
$5,285 AUD
View
B+
Retailer 12
-
$7,574 AUD
View
B
Retailer 13
-
$7,913 AUD
View
Most Expensive
B
Diamond Quarter
1.3SI2H24182CB9N · Nov 5
$9,412 AUD
£5,092 GBP
View
13 more retailers have this diamond
Prices start from $4,068 AUDSave up to $5,344 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
$4,068 AUD