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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7551440070

Certificate GIA 7551440070

Diamond specifications and retailer prices

From $4,353 AUD
As of November 5, 2026
Save $5,270 AUD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,623 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 7551440070. Listed at 11 retailers as of November 5, 2026, with prices from $4,353 to $9,623, a $5,270 spread on the same certified stone. NZ Jewellers lists it at $9,623. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551440070
Dimensions6.97 × 7.00 × 4.33 mm
L/W Ratio1.00
Star length45%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle, Indented Natural
Top View
6.97 mm7.00 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551440070
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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 5
Current: $9,623 AUD|Low: $3,992 AUD|High: $9,623 AUD|Avg: $5,931 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
November 5, 2026
Retailer 4$4,353 AUD
Retailer 7$4,391 AUD
Retailer 3$4,536 AUD
Retailer 11$5,004 AUD
Retailer 12$5,004 AUD
Retailer 8$5,196 AUD
Retailer 5$5,680 AUD
Retailer 10$5,774 AUD
Retailer 2$6,038 AUD
Retailer 9$6,255 AUD
Retailer 6$9,211 AUD
NZ Jewellers$9,623 AUD

41 data points across 12 retailers

11 retailers$4,353 AUD to $9,623 AUD

A
Cheapest Retailer
-
$4,353 AUD
A
Retailer 2
-
$4,391 AUD
View
Final sale: no returns
A
Retailer 3
-
$4,536 AUD
View
A
Retailer 4
-
$5,004 AUD
View
A
Retailer 5
-
$5,196 AUD
View
A
Retailer 6
-
$5,680 AUD
View
A
Retailer 7
-
$5,774 AUD
View
A
Retailer 8
-
$6,038 AUD
View
Retailer 9
-
$6,255 AUD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$9,211 AUD
View
Most Expensive
B
NZ Jewellers
f082eac9-6f45-44ba-a60d-dfb73268d630 · Nov 5
$9,623 AUD
$6,612 USD
View
10 more retailers have this diamond
Prices start from $4,353 AUDSave up to $5,270 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
$4,353 AUD