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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6555169312

Certificate GIA 6555169312

Diamond specifications and retailer prices

From $4,488 AUD
As of November 6, 2026
Save $5,305 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,380 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555169312. Listed at 14 retailers as of November 6, 2026, with a 118% 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555169312
Dimensions6.94 × 6.97 × 4.33 mm
L/W Ratio1.00
Top View
6.94 mm6.97 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555169312
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: $10,380 AUD|Low: $4,452 AUD|High: $10,702 AUD|Avg: $6,262 AUD|-3.0%
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
Retailer 14
November 7, 2026
Retailer 11$4,488 AUD
Retailer 14$4,692 AUD
Retailer 4$4,698 AUD
Retailer 3$4,908 AUD
Retailer 12$4,924 AUD
Retailer 5$5,269 AUD
Retailer 8$5,322 AUD
Retailer 6$5,395 AUD
Retailer 13$5,838 AUD
Retailer 7$5,926 AUD
Retailer 9$6,548 AUD
Retailer 10$8,957 AUD
Retailer 2$9,793 AUD
NZ Jewellers$10,380 AUD

27 data points across 14 retailers

14 retailers$4,488 AUD to $9,793 AUD

A
Cheapest Retailer
-
$4,488 AUD
A
Retailer 2
-
$4,692 AUD
View
A
Retailer 3
-
$4,698 AUD
View
Retailer 4
-
$4,908 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$4,924 AUD
View
Final sale: no returns
A
Retailer 6
-
$5,269 AUD
View
A
Retailer 7
-
$5,322 AUD
View
A
Retailer 8
-
$5,395 AUD
View
A
Retailer 9
-
$5,838 AUD
View
A
Retailer 10
-
$5,926 AUD
View
B+
Retailer 11
-
$6,548 AUD
View
B+
Retailer 12
-
$8,957 AUD
View
B
Retailer 13
-
$9,793 AUD
View
Most Expensive
NZ Jewellers
feda35f6-2d5d-4e8e-8c05-507dad343cef · Sep 26
$10,380 AUD
$7,132 USD
View
Price last confirmed 41 days ago
13 more retailers have this diamond
Prices start from $4,488 AUDSave up to $5,305 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
$4,488 AUD