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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2504548687

Certificate GIA 2504548687

Diamond specifications and retailer prices

From $5,140 AUD
As of November 4, 2026
Save $6,570 AUD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,709 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2504548687. Listed at 24 retailers as of November 4, 2026, with prices from $5,140 to $11,709, a $6,570 spread on the same certified stone. NZ Jewellers lists it at $11,709. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2504548687
Dimensions6.95 × 6.90 × 4.34 mm
L/W Ratio1.01
Top View
6.95 mm6.90 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2504548687
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,898 AUD|Low: $5,151 AUD|High: $10,832 AUD|Avg: $7,008 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$5,303 AUD
Retailer 6$5,620 AUD
Retailer 1$5,898 AUD
Retailer 2$6,574 AUD
Retailer 3$7,340 AUD
Retailer 5$10,675 AUD

35 data points across 6 retailers

24 retailers$5,140 AUD to $11,709 AUD

A
Cheapest Retailer
-
$5,140 AUD
A
Retailer 2
-
$5,163 AUD
View
A
Retailer 3
-
$5,303 AUD
View
A
Retailer 4
-
$5,357 AUD
View
A
Retailer 5
-
$5,370 AUD
View
A
Retailer 6
-
$5,561 AUD
View
A
Retailer 7
-
$5,620 AUD
View
Final sale: no returns
A
Retailer 8
-
$5,898 AUD
View
A
Retailer 9
-
$6,060 AUD
View
Retailer 10
-
$6,088 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$6,088 AUD
View
A
Retailer 12
-
$6,088 AUD
View
A
Retailer 13
-
$6,188 AUD
View
Retailer 14
-
$6,293 AUD
View
Price last confirmed 14 days ago
A
Retailer 15
-
$6,415 AUD
View
A
Retailer 16
-
$6,574 AUD
View
A
Retailer 17
-
$6,757 AUD
View
A
Retailer 18
-
$6,757 AUD
View
A
Retailer 19
-
$6,985 AUD
View
A
Retailer 20
-
$7,025 AUD
View
A
Retailer 21
-
$7,340 AUD
View
B
Retailer 22
-
$9,722 AUD
View
B+
Retailer 23
-
$10,675 AUD
View
Most Expensive
B
NZ Jewellers
48732e71-5b38-4805-9eab-5df7c42dc704 · Nov 5
$11,709 AUD
$8,197 USD
View
23 more retailers have this diamond
Prices start from $5,140 AUDSave up to $6,570 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
$5,140 AUD