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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1246015499

Certificate GIA 1246015499

Diamond specifications and retailer prices

From $3,167 AUD
As of November 2, 2026
Save $1,748 AUD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,967 AUD at NZ Jewellers · As of September 26, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246015499. Listed at 9 retailers as of November 2, 2026, with a 55% 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

1.30
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1246015499
Dimensions6.93 × 6.96 × 4.32 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.93 mm6.96 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246015499
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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 2
Current: $4,915 AUD|Low: $3,167 AUD|High: $7,747 AUD|Avg: $4,997 AUD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$3,167 AUD
Retailer 3$3,918 AUD
Retailer 5$4,462 AUD
Retailer 7$4,699 AUD
Retailer 1$4,915 AUD
Retailer 6$6,677 AUD
Retailer 4$7,313 AUD

26 data points across 7 retailers

9 retailers$3,167 AUD to $4,915 AUD

A
Cheapest Retailer
-
$3,167 AUD
A
Retailer 2
-
$3,918 AUD
View
Retailer 3
-
$4,462 AUD
View
Price last confirmed 11 days ago
Retailer 4
-
$4,573 AUD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$4,699 AUD
View
A
Retailer 6
-
$4,915 AUD
View
Retailer 7
-
$6,677 AUD
View
Price last confirmed 16 days ago
Retailer 8
-
$7,313 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
a421a3f2-41b9-4ff9-9ed6-b40949d7198a · Sep 26
$7,967 AUD
$5,474 USD
View
Price last confirmed 40 days ago
8 more retailers have this diamond
Prices start from $3,167 AUDSave up to $1,748 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
$3,167 AUD