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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3555632259

Certificate GIA 3555632259

Diamond specifications and retailer prices

From $4,788 AUD
As of November 6, 2026
Save $4,337 AUD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,548 AUD at NZ Jewellers · As of September 28, 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 GIA 3555632259. Listed at 10 retailers as of November 1, 2026, with a 91% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555632259
Dimensions6.94 × 6.91 × 4.35 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.94 mm6.91 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555632259
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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: $4,788 AUD|Low: $4,785 AUD|High: $9,275 AUD|Avg: $6,099 AUD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$4,788 AUD
Retailer 5$5,037 AUD
Retailer 2$5,460 AUD
Retailer 7$5,480 AUD
Retailer 6$5,671 AUD
Retailer 3$6,347 AUD
Retailer 4$9,125 AUD

33 data points across 7 retailers

10 retailers$4,788 AUD to $9,125 AUD

A
Cheapest Retailer
-
$4,788 AUD
A
Retailer 2
-
$5,037 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,460 AUD
View
Retailer 4
-
$5,480 AUD
View
Price last confirmed 39 days ago
Retailer 5
-
$5,671 AUD
View
Price last confirmed 11 days ago
Retailer 6
-
$5,691 AUD
View
Price last confirmed 38 days ago
Retailer 7
-
$6,324 AUD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$6,347 AUD
View
B+
Retailer 9
-
$9,125 AUD
View
Most Expensive
NZ Jewellers
f98b52cb-324f-4a9c-9d7c-47e5c5e5dcc8 · Sep 28
$9,548 AUD
$6,684 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $4,788 AUDSave up to $4,337 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
$4,788 AUD