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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7522875986

Certificate GIA 7522875986

Diamond specifications and retailer prices

From $4,577 AUD
As of November 6, 2026
Save $5,340 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,917 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7522875986. Listed at 15 retailers as of November 5, 2026, with prices from $4,577 to $9,917, a $5,340 spread on the same certified stone. NZ Jewellers lists it at $9,917. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7522875986
Dimensions6.96 × 6.91 × 4.33 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
6.96 mm6.91 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7522875986
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

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: $9,917 AUD|Low: $3,967 AUD|High: $9,917 AUD|Avg: $6,270 AUD
NZ Jewellers
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$4,577 AUD
Retailer 6$4,761 AUD
Retailer 9$5,156 AUD
Retailer 11$5,156 AUD
Retailer 7$5,356 AUD
Retailer 2$5,695 AUD
Retailer 10$5,950 AUD
Retailer 4$6,392 AUD
Retailer 3$6,445 AUD
Retailer 5$9,518 AUD
NZ Jewellers$9,917 AUD

42 data points across 11 retailers

15 retailers$4,577 AUD to $9,917 AUD

A
Cheapest Retailer
-
$4,577 AUD
A
Retailer 2
-
$4,761 AUD
View
Final sale: no returns
Retailer 3
-
$4,844 AUD
View
Price last confirmed 19 days ago
Retailer 4
-
$5,156 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$5,156 AUD
View
B+
Retailer 6
-
$5,356 AUD
View
B+
Retailer 7
-
$5,695 AUD
View
B+
Retailer 8
-
$5,836 AUD
View
B+
Retailer 9
-
$5,836 AUD
View
B+
Retailer 10
-
$5,950 AUD
View
B+
Retailer 11
-
$6,025 AUD
View
B+
Retailer 12
-
$6,392 AUD
View
Retailer 13
-
$6,445 AUD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$9,518 AUD
View
Most Expensive
B
NZ Jewellers
5f6ede7b-ec75-4405-9930-e734e4b15259 · Nov 5
$9,917 AUD
$6,814 USD
View
14 more retailers have this diamond
Prices start from $4,577 AUDSave up to $5,340 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
$4,577 AUD