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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1

Diamond specifications and retailer prices

From $6,791 AUD
As of November 6, 2026
Save $7,824 AUD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $14,615 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 14 retailers as of November 5, 2026, with prices from $6,791 to $14,615, a $7,824 spread on the same certified stone. NZ Jewellers lists it at $14,615. 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
Dimensions6.95 × 7.00 × 4.33 mm
L/W Ratio1.01
Top View
6.95 mm7.00 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $14,615 AUD|Low: $6,698 AUD|High: $14,615 AUD|Avg: $8,921 AUD
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 6, 2026
Retailer 15$6,791 AUD
Retailer 14$6,971 AUD
Retailer 12$7,308 AUD
Retailer 6$7,407 AUD
Retailer 10$7,916 AUD
Retailer 13$7,916 AUD
Retailer 2$8,361 AUD
Retailer 5$8,562 AUD
Retailer 11$8,591 AUD
Retailer 7$8,610 AUD
Retailer 4$9,044 AUD
Retailer 3$9,134 AUD
Retailer 8$9,252 AUD
Retailer 9$12,838 AUD
NZ Jewellers$14,615 AUD

28 data points across 15 retailers

14 retailers$6,791 AUD to $14,615 AUD

B+
Cheapest Retailer
-
$6,791 AUD
B+
Retailer 2
-
$6,971 AUD
View
B+
Retailer 3
-
$7,308 AUD
View
Final sale: no returns
B+
Retailer 4
-
$7,407 AUD
View
B+
Retailer 5
-
$7,916 AUD
View
B+
Retailer 6
-
$7,916 AUD
View
B
Retailer 7
-
$8,361 AUD
View
B
Retailer 8
-
$8,562 AUD
View
B+
Retailer 9
-
$8,610 AUD
View
B
Retailer 10
-
$9,044 AUD
View
B
Retailer 11
-
$9,134 AUD
View
B
Retailer 12
-
$9,252 AUD
View
B
Retailer 13
-
$12,838 AUD
View
Most Expensive
B
NZ Jewellers
5923ccf6-3b50-4d7c-9bdf-297e8ecbfbee · Nov 5
$14,615 AUD
$10,042 USD
View
13 more retailers have this diamond
Prices start from $6,791 AUDSave up to $7,824 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.

B+
1.30ct Round
$6,791 AUD