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Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 5533156164

Certificate GIA 5533156164

Diamond specifications and retailer prices

From $6,515 AUD
As of November 4, 2026
Save $8,057 AUD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,572 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5533156164. Listed at 18 retailers as of November 4, 2026, with prices from $6,515 to $14,572, a $8,057 spread on the same certified stone. NZ Jewellers lists it at $14,572. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5533156164
Dimensions6.95 × 6.91 × 4.35 mm
L/W Ratio1.01
Top View
6.95 mm6.91 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5533156164
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°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 4
Current: $8,252 AUD|Low: $6,374 AUD|High: $12,991 AUD|Avg: $8,841 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$6,515 AUD
Retailer 5$6,757 AUD
Retailer 7$7,011 AUD
Retailer 9$7,894 AUD
Retailer 1$8,252 AUD
Retailer 10$8,354 AUD
Retailer 8$8,484 AUD
Retailer 3$8,995 AUD
Retailer 6$12,747 AUD
Retailer 4$12,802 AUD

41 data points across 10 retailers

18 retailers$6,515 AUD to $14,572 AUD

A
Cheapest Retailer
-
$6,515 AUD
Retailer 2
-
$6,757 AUD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$6,757 AUD
View
A
Retailer 4
-
$6,950 AUD
View
A
Retailer 5
-
$7,011 AUD
View
Final sale: no returns
B+
Retailer 6
-
$7,894 AUD
View
B+
Retailer 7
-
$7,894 AUD
View
B+
Retailer 8
-
$8,252 AUD
View
B+
Retailer 9
-
$8,341 AUD
View
B+
Retailer 10
-
$8,354 AUD
View
B+
Retailer 11
-
$8,900 AUD
View
B+
Retailer 12
-
$8,900 AUD
View
B+
Retailer 13
-
$8,995 AUD
View
B+
Retailer 14
-
$9,108 AUD
View
B+
Retailer 15
-
$9,200 AUD
View
B
Retailer 16
-
$12,747 AUD
View
B
Retailer 17
-
$12,802 AUD
View
Most Expensive
B
NZ Jewellers
1e68a94e-757c-4a76-99f5-a08284cf5bfd · Nov 5
$14,572 AUD
$10,201 USD
View
17 more retailers have this diamond
Prices start from $6,515 AUDSave up to $8,057 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
$6,515 AUD