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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6565142220

Certificate GIA 6565142220

Diamond specifications and retailer prices

From $3,740 AUD
As of November 4, 2026
Save $4,752 AUD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,492 AUD at NZ Jewellers · As of November 2, 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 6565142220. Listed at 18 retailers as of November 2, 2026, with prices from $3,740 to $8,492, a $4,752 spread on the same certified stone. NZ Jewellers lists it at $8,492. 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
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565142220
Dimensions6.95 × 6.90 × 4.38 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Indented Natural
Top View
6.95 mm6.90 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6565142220
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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: $8,492 AUD|Low: $3,740 AUD|High: $8,492 AUD|Avg: $5,109 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
November 5, 2026
Retailer 16$3,740 AUD
Retailer 8$3,841 AUD
Retailer 15$3,870 AUD
Retailer 7$4,416 AUD
Retailer 13$4,416 AUD
Retailer 6$4,512 AUD
Retailer 10$4,615 AUD
Retailer 12$4,742 AUD
Retailer 5$4,797 AUD
Retailer 14$4,797 AUD
Retailer 9$5,012 AUD
Retailer 2$5,327 AUD
Retailer 4$5,653 AUD
Retailer 3$5,724 AUD
Retailer 11$8,150 AUD
NZ Jewellers$8,492 AUD

36 data points across 16 retailers

18 retailers$3,740 AUD to $8,492 AUD

A
Cheapest Retailer
-
$3,740 AUD
A
Retailer 2
-
$3,841 AUD
View
A
Retailer 3
-
$3,870 AUD
View
Final sale: no returns
A
Retailer 4
-
$4,075 AUD
View
A
Retailer 5
-
$4,416 AUD
View
Retailer 6
-
$4,416 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$4,512 AUD
View
A
Retailer 8
-
$4,615 AUD
View
Retailer 9
-
$4,742 AUD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$4,797 AUD
View
A
Retailer 11
-
$4,797 AUD
View
A
Retailer 12
-
$5,012 AUD
View
B+
Retailer 13
-
$5,088 AUD
View
B+
Retailer 14
-
$5,095 AUD
View
B+
Retailer 15
-
$5,327 AUD
View
B+
Retailer 16
-
$5,724 AUD
View
B
Retailer 17
-
$8,150 AUD
View
Most Expensive
B
NZ Jewellers
5466e838-73e8-4ff3-86d4-dbf94caca483 · Nov 2
$8,492 AUD
$5,835 USD
View
17 more retailers have this diamond
Prices start from $3,740 AUDSave up to $4,752 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
$3,740 AUD