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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1559318998

Certificate GIA 1559318998

Diamond specifications and retailer prices

From $3,919 AUD
As of November 6, 2026
Save $4,877 AUD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,796 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559318998. Listed at 14 retailers as of November 5, 2026, with prices from $3,919 to $8,796, a $4,877 spread on the same certified stone. NZ Jewellers lists it at $8,796. 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
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559318998
Dimensions7.02 × 7.05 × 4.27 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.02 mm7.05 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559318998
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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: $8,796 AUD|Low: $3,893 AUD|High: $8,796 AUD|Avg: $5,526 AUD
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$3,919 AUD
Retailer 9$3,930 AUD
Retailer 6$4,564 AUD
Retailer 13$4,660 AUD
Retailer 4$4,854 AUD
Retailer 11$5,049 AUD
Retailer 10$5,244 AUD
Retailer 3$5,392 AUD
Retailer 5$5,459 AUD
Retailer 8$5,749 AUD
Retailer 12$5,826 AUD
Retailer 7$8,421 AUD
NZ Jewellers$8,796 AUD

35 data points across 13 retailers

14 retailers$3,919 AUD to $8,796 AUD

A
Cheapest Retailer
-
$3,919 AUD
A
Retailer 2
-
$3,930 AUD
View
A
Retailer 3
-
$4,564 AUD
View
A
Retailer 4
-
$4,660 AUD
View
Final sale: no returns
A
Retailer 5
-
$4,854 AUD
View
A
Retailer 6
-
$5,049 AUD
View
A
Retailer 7
-
$5,200 AUD
View
A
Retailer 8
-
$5,244 AUD
View
A
Retailer 9
-
$5,392 AUD
View
Retailer 10
-
$5,459 AUD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$5,749 AUD
View
A
Retailer 12
-
$5,826 AUD
View
B
Retailer 13
-
$8,421 AUD
View
Most Expensive
B+
NZ Jewellers
b2c1fb25-c2fe-4090-964d-7a9b2f5c1d12 · Nov 5
$8,796 AUD
$6,044 USD
View
13 more retailers have this diamond
Prices start from $3,919 AUDSave up to $4,877 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
$3,919 AUD