Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2547867655

Certificate GIA 2547867655

Diamond specifications and retailer prices

From $3,707 AUD
As of November 6, 2026
Save $4,422 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,491 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547867655. Listed at 17 retailers as of November 4, 2026, with a 119% 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2547867655
Dimensions6.94 × 7.00 × 4.39 mm
L/W Ratio1.01
Top View
6.94 mm7.00 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2547867655
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,851 AUD|Low: $3,669 AUD|High: $8,246 AUD|Avg: $5,033 AUD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$3,707 AUD
Retailer 1$3,851 AUD
Retailer 4$4,328 AUD
Retailer 7$4,446 AUD
Retailer 8$4,497 AUD
Retailer 9$4,873 AUD
Retailer 2$5,011 AUD
Retailer 3$5,673 AUD
Retailer 5$8,128 AUD

38 data points across 9 retailers

17 retailers$3,707 AUD to $8,128 AUD

A
Cheapest Retailer
-
$3,707 AUD
A
Retailer 2
-
$3,851 AUD
View
A
Retailer 3
-
$4,328 AUD
View
A
Retailer 4
-
$4,446 AUD
View
A
Retailer 5
-
$4,497 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,555 AUD
View
Retailer 7
-
$4,873 AUD
View
Price last confirmed 39 days ago
Retailer 8
-
$4,873 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$4,873 AUD
View
Price last confirmed 17 days ago
A
Retailer 10
-
$4,905 AUD
View
A
Retailer 11
-
$5,011 AUD
View
Retailer 12
-
$5,060 AUD
View
Price last confirmed 38 days ago
Retailer 13
-
$5,624 AUD
View
Price last confirmed 38 days ago
A
Retailer 14
-
$5,673 AUD
View
B
Retailer 15
-
$8,128 AUD
View
Retailer 16
-
$8,491 AUD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
c60af004-08a3-43e1-9693-b93b6288d57a · Sep 28
$8,491 AUD
$5,834 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from $3,707 AUDSave up to $4,422 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
$3,707 AUD