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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6561163484

Certificate GIA 6561163484

Diamond specifications and retailer prices

From $4,582 AUD
As of November 1, 2026
Save $5,985 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,566 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 6561163484. Listed at 16 retailers as of November 1, 2026, with prices from $4,582 to $10,566, a $5,985 spread on the same certified stone. NZ Jewellers lists it at $10,566. 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
FluorescenceStrong
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561163484
Dimensions6.92 × 6.97 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.92 mm6.97 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6561163484
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,566 AUD|Low: $4,544 AUD|High: $10,750 AUD|Avg: $6,435 AUD|-1.7%
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
Retailer 15
November 4, 2026
Retailer 14$4,582 AUD
Retailer 9$4,603 AUD
Retailer 3$5,232 AUD
Retailer 6$5,599 AUD
Retailer 5$5,769 AUD
Retailer 11$5,835 AUD
Retailer 10$6,065 AUD
Retailer 13$6,065 AUD
Retailer 4$6,424 AUD
Retailer 8$6,504 AUD
Retailer 7$6,580 AUD
Retailer 15$6,998 AUD
Retailer 2$7,000 AUD
Retailer 12$10,143 AUD
NZ Jewellers$10,566 AUD

28 data points across 15 retailers

16 retailers$4,582 AUD to $10,566 AUD

A
Cheapest Retailer
-
$4,582 AUD
A
Retailer 2
-
$4,603 AUD
View
A
Retailer 3
-
$5,085 AUD
View
A
Retailer 4
-
$5,232 AUD
View
Retailer 5
-
$5,769 AUD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$5,835 AUD
View
B+
Retailer 7
-
$6,005 AUD
View
A
Retailer 8
-
$6,065 AUD
View
A
Retailer 9
-
$6,065 AUD
View
B+
Retailer 10
-
$6,424 AUD
View
B+
Retailer 11
-
$6,504 AUD
View
Retailer 12
-
$6,580 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$6,998 AUD
View
B+
Retailer 14
-
$7,000 AUD
View
B
Retailer 15
-
$10,143 AUD
View
Most Expensive
B
NZ Jewellers
2ffc45c0-0fa1-4617-b109-087f23477e83 · Nov 2
$10,566 AUD
$7,260 USD
View
15 more retailers have this diamond
Prices start from $4,582 AUDSave up to $5,985 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
$4,582 AUD