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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6412546405

Certificate GIA 6412546405

Diamond specifications and retailer prices

From $3,614 AUD
As of November 6, 2026
Save $7,079 AUD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,693 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6412546405. Listed at 12 retailers as of November 5, 2026, with prices from $3,614 to $10,693, a $7,079 spread on the same certified stone. Diamond Quarter lists it at $10,693. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6412546405
Dimensions6.97 × 6.91 × 4.37 mm
L/W Ratio1.01
Top View
6.97 mm6.91 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6412546405
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 63.0%

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: $4,445 AUD|Low: $3,576 AUD|High: $8,190 AUD|Avg: $4,939 AUD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,614 AUD
Retailer 9$3,908 AUD
Retailer 10$4,302 AUD
Retailer 11$4,423 AUD
Retailer 1$4,445 AUD
Retailer 3$4,890 AUD
Retailer 5$4,954 AUD
Retailer 4$5,028 AUD
Retailer 2$5,055 AUD
Retailer 6$5,637 AUD
Retailer 7$8,104 AUD

32 data points across 11 retailers

12 retailers$3,614 AUD to $10,693 AUD

A
Cheapest Retailer
-
$3,614 AUD
A
Retailer 2
-
$3,908 AUD
View
A
Retailer 3
-
$4,302 AUD
View
A
Retailer 4
-
$4,423 AUD
View
A
Retailer 5
-
$4,445 AUD
View
A
Retailer 6
-
$4,890 AUD
View
A
Retailer 7
-
$4,954 AUD
View
A
Retailer 8
-
$5,028 AUD
View
A
Retailer 9
-
$5,055 AUD
View
A
Retailer 10
-
$5,637 AUD
View
B+
Retailer 11
-
$8,104 AUD
View
Most Expensive
B
Diamond Quarter
1.3SI2G6405A8E7N · Nov 5
$10,693 AUD
£5,785 GBP
View
11 more retailers have this diamond
Prices start from $3,614 AUDSave up to $7,079 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
$3,614 AUD