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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6545454334

Certificate GIA 6545454334

Diamond specifications and retailer prices

From $4,352 AUD
As of November 6, 2026
Save $5,436 AUD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,788 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545454334. Listed at 13 retailers as of November 5, 2026, with prices from $4,352 to $9,788, a $5,436 spread on the same certified stone. NZ Jewellers lists it at $9,788. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545454334
Dimensions6.90 × 6.94 × 4.39 mm
L/W Ratio1.01
Top View
6.90 mm6.94 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545454334
Side View
Table 56.0%Crown 36°Girdle: ThinPavilion 41.2°Culet: NoneDepth 63.5%

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 6
Current: $9,788 AUD|Low: $4,352 AUD|High: $9,788 AUD|Avg: $6,261 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$4,352 AUD
Retailer 6$4,518 AUD
Retailer 9$5,090 AUD
Retailer 11$5,090 AUD
Retailer 7$5,285 AUD
Retailer 4$5,654 AUD
Retailer 10$5,873 AUD
Retailer 3$6,360 AUD
Retailer 2$6,526 AUD
Retailer 5$9,395 AUD
NZ Jewellers$9,788 AUD

39 data points across 11 retailers

13 retailers$4,352 AUD to $9,788 AUD

A
Cheapest Retailer
-
$4,352 AUD
A
Retailer 2
-
$4,417 AUD
View
Retailer 3
-
$4,518 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$4,835 AUD
View
Retailer 5
-
$5,090 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$5,090 AUD
View
A
Retailer 7
-
$5,285 AUD
View
A
Retailer 8
-
$5,654 AUD
View
A
Retailer 9
-
$5,873 AUD
View
Retailer 10
-
$6,360 AUD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$6,526 AUD
View
B
Retailer 12
-
$9,395 AUD
View
Most Expensive
B
NZ Jewellers
d2bc3f49-b093-4999-be1b-59ae32bdea4d · Nov 5
$9,788 AUD
$6,725 USD
View
12 more retailers have this diamond
Prices start from $4,352 AUDSave up to $5,436 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
$4,352 AUD