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Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7523712213

Certificate GIA 7523712213

Diamond specifications and retailer prices

From $7,475 AUD
As of November 4, 2026
Save $6,424 AUD (46%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $15,822 AUD at NZ Jewellers · As of October 3, 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 7523712213. Listed at 24 retailers as of November 4, 2026, with a 86% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7523712213
Dimensions6.96 × 6.93 × 4.36 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.96 mm6.93 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7523712213
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°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 4
Current: $8,871 AUD|Low: $7,251 AUD|High: $14,105 AUD|Avg: $9,763 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$7,475 AUD
Retailer 4$7,640 AUD
Retailer 11$7,910 AUD
Retailer 2$7,992 AUD
Retailer 1$8,871 AUD
Retailer 7$9,045 AUD
Retailer 10$9,071 AUD
Retailer 13$9,277 AUD
Retailer 8$10,269 AUD
Retailer 5$10,429 AUD
Retailer 6$11,542 AUD
Retailer 12$13,279 AUD
Retailer 9$13,899 AUD

20 data points across 13 retailers

24 retailers$7,475 AUD to $13,899 AUD

A
Cheapest Retailer
-
$7,475 AUD
A
Retailer 2
-
$7,640 AUD
View
B+
Retailer 3
-
$7,910 AUD
View
Final sale: no returns
B+
Retailer 4
-
$7,992 AUD
View
B+
Retailer 5
-
$8,452 AUD
View
Retailer 6
-
$8,570 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$8,570 AUD
View
B+
Retailer 8
-
$8,570 AUD
View
Retailer 9
-
$8,570 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$8,871 AUD
View
B+
Retailer 11
-
$9,045 AUD
View
B+
Retailer 12
-
$9,071 AUD
View
Retailer 13
-
$9,071 AUD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$9,185 AUD
View
B+
Retailer 15
-
$9,185 AUD
View
Retailer 16
-
$9,277 AUD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$9,485 AUD
View
Retailer 18
-
$9,888 AUD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$10,269 AUD
View
Retailer 20
-
$10,429 AUD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
$11,542 AUD
View
Retailer 22
-
$13,279 AUD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$13,899 AUD
View
Most Expensive
NZ Jewellers
e07d50eb-a8b2-47c4-b07d-53fb40714e4b · Oct 3
$15,822 AUD
$11,076 USD
View
Price last confirmed 33 days ago
23 more retailers have this diamond
Prices start from $7,475 AUDSave up to $6,424 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
$7,475 AUD