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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1565120746

Certificate GIA 1565120746

Diamond specifications and retailer prices

From $5,625 AUD
As of November 1, 2026
Save $5,705 AUD (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,330 AUD at NZ Jewellers · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565120746. Listed at 15 retailers as of November 1, 2026, with prices from $5,625 to $11,330, a $5,705 spread on the same certified stone. NZ Jewellers lists it at $11,330. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565120746
Dimensions6.93 × 6.88 × 4.39 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.93 mm6.88 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565120746
Side View
Table 57.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 63.5%

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 1
Current: $11,330 AUD|Low: $5,625 AUD|High: $12,004 AUD|Avg: $7,767 AUD|-4.6%
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 6, 2026
Retailer 13$5,625 AUD
Retailer 2$5,836 AUD
Retailer 4$6,503 AUD
Retailer 14$6,503 AUD
Retailer 10$6,739 AUD
Retailer 8$6,872 AUD
Retailer 9$7,161 AUD
Retailer 12$7,161 AUD
Retailer 7$7,393 AUD
Retailer 3$7,504 AUD
Retailer 6$7,546 AUD
Retailer 5$8,220 AUD
Retailer 11$11,160 AUD
NZ Jewellers$11,330 AUD

32 data points across 14 retailers

15 retailers$5,625 AUD to $11,330 AUD

A
Cheapest Retailer
-
$5,625 AUD
A
Retailer 2
-
$5,836 AUD
View
A
Retailer 3
-
$5,843 AUD
View
B+
Retailer 4
-
$6,503 AUD
View
Retailer 5
-
$6,503 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$6,739 AUD
View
B+
Retailer 7
-
$6,872 AUD
View
B+
Retailer 8
-
$7,161 AUD
View
B+
Retailer 9
-
$7,161 AUD
View
B+
Retailer 10
-
$7,393 AUD
View
B+
Retailer 11
-
$7,504 AUD
View
Retailer 12
-
$7,546 AUD
View
Price last confirmed 34 days ago
Retailer 13
-
$8,220 AUD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$11,160 AUD
View
Most Expensive
B
NZ Jewellers
287f4efe-781d-4122-b911-59fb60de79c5 · Nov 2
$11,330 AUD
$7,785 USD
View
14 more retailers have this diamond
Prices start from $5,625 AUDSave up to $5,705 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
$5,625 AUD