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Round|Natural|GIA

1.30ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 7556717557

Certificate GIA 7556717557

Diamond specifications and retailer prices

From $3,657 AUD
As of November 4, 2026
Save $4,440 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,618 AUD at NZ Jewellers · As of October 17, 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 7556717557. Listed at 15 retailers as of November 4, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7556717557
Dimensions6.97 × 7.00 × 4.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Indented Natural
Top View
6.97 mm7.00 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7556717557
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

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: $5,088 AUD|Low: $3,620 AUD|High: $8,372 AUD|Avg: $5,081 AUD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,657 AUD
Retailer 3$3,816 AUD
Retailer 4$4,350 AUD
Retailer 8$4,423 AUD
Retailer 9$4,481 AUD
Retailer 5$4,993 AUD
Retailer 1$5,088 AUD
Retailer 2$5,637 AUD
Retailer 6$8,097 AUD

35 data points across 9 retailers

15 retailers$3,657 AUD to $8,097 AUD

A
Cheapest Retailer
-
$3,657 AUD
A
Retailer 2
-
$3,816 AUD
View
A
Retailer 3
-
$4,350 AUD
View
A
Retailer 4
-
$4,423 AUD
View
A
Retailer 5
-
$4,481 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,578 AUD
View
Retailer 7
-
$4,947 AUD
View
Price last confirmed 21 days ago
Retailer 8
-
$4,947 AUD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$4,993 AUD
View
A
Retailer 10
-
$5,088 AUD
View
Retailer 11
-
$5,137 AUD
View
Price last confirmed 22 days ago
A
Retailer 12
-
$5,637 AUD
View
Retailer 13
-
$5,708 AUD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$8,097 AUD
View
Most Expensive
NZ Jewellers
7a934044-25d7-44c2-ad3e-857f5b2df58a · Oct 17
$8,618 AUD
$6,033 USD
View
Price last confirmed 19 days ago
14 more retailers have this diamond
Prices start from $3,657 AUDSave up to $4,440 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
$3,657 AUD