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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5563539096

Certificate GIA 5563539096

Diamond specifications and retailer prices

From $3,688 AUD
As of November 6, 2026
Save $4,934 AUD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,622 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 5563539096. Listed at 19 retailers as of November 5, 2026, with prices from $3,688 to $8,622, a $4,934 spread on the same certified stone. NZ Jewellers lists it at $8,622. 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 angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5563539096
Dimensions6.91 × 6.96 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.91 mm6.96 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563539096
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $8,622 AUD|Low: $3,650 AUD|High: $8,622 AUD|Avg: $5,116 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 2$3,688 AUD
Retailer 17$3,688 AUD
Retailer 8$4,225 AUD
Retailer 16$4,228 AUD
Retailer 7$4,394 AUD
Retailer 11$4,509 AUD
Retailer 9$4,567 AUD
Retailer 12$4,670 AUD
Retailer 6$4,948 AUD
Retailer 18$4,948 AUD
Retailer 14$5,090 AUD
Retailer 3$5,135 AUD
Retailer 19$5,139 AUD
Retailer 5$5,158 AUD
Retailer 10$5,290 AUD
Retailer 13$5,400 AUD
Retailer 4$5,710 AUD
Retailer 15$8,254 AUD
NZ Jewellers$8,622 AUD

22 data points across 19 retailers

19 retailers$3,688 AUD to $8,622 AUD

A
Cheapest Retailer
-
$3,688 AUD
A
Retailer 2
-
$3,688 AUD
View
A
Retailer 3
-
$4,225 AUD
View
A
Retailer 4
-
$4,228 AUD
View
A
Retailer 5
-
$4,394 AUD
View
A
Retailer 6
-
$4,509 AUD
View
A
Retailer 7
-
$4,567 AUD
View
Final sale: no returns
A
Retailer 8
-
$4,670 AUD
View
Retailer 9
-
$4,948 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$4,948 AUD
View
A
Retailer 11
-
$5,090 AUD
View
B+
Retailer 12
-
$5,135 AUD
View
B+
Retailer 13
-
$5,139 AUD
View
B+
Retailer 14
-
$5,158 AUD
View
B+
Retailer 15
-
$5,290 AUD
View
A
Retailer 16
-
$5,400 AUD
View
B+
Retailer 17
-
$5,710 AUD
View
B
Retailer 18
-
$8,254 AUD
View
Most Expensive
B
NZ Jewellers
3b1a9799-0cb9-4efc-bf6f-172992442324 · Nov 5
$8,622 AUD
$5,924 USD
View
18 more retailers have this diamond
Prices start from $3,688 AUDSave up to $4,934 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
$3,688 AUD