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Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6565240982

Certificate GIA 6565240982

Diamond specifications and retailer prices

From $4,128 AUD
As of November 6, 2026
Save $5,018 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,146 AUD at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565240982. Listed at 12 retailers as of November 4, 2026, with prices from $4,128 to $9,146, a $5,018 spread on the same certified stone. MOH London lists it at $9,146. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565240982
Dimensions6.96 × 6.92 × 4.32 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.96 mm6.92 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565240982
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.2%

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 6
Current: $9,146 AUD|Low: $4,098 AUD|High: $9,626 AUD|Avg: $5,517 AUD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$4,128 AUD
Retailer 6$4,135 AUD
Retailer 10$4,745 AUD
Retailer 9$5,060 AUD
Retailer 8$5,215 AUD
Retailer 3$5,247 AUD
Retailer 7$5,482 AUD
Retailer 4$6,057 AUD
Retailer 5$6,331 AUD
MOH London$9,146 AUD

30 data points across 10 retailers

12 retailers$4,128 AUD to $9,146 AUD

A
Cheapest Retailer
-
$4,128 AUD
A
Retailer 2
-
$4,135 AUD
View
A
Retailer 3
-
$4,611 AUD
View
A
Retailer 4
-
$4,745 AUD
View
A
Retailer 5
-
$5,060 AUD
View
Final sale: no returns
Retailer 6
-
$5,215 AUD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$5,247 AUD
View
Retailer 8
-
$5,482 AUD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$6,057 AUD
View
Retailer 10
-
$6,114 AUD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
$6,331 AUD
View
Most Expensive
B
MOH London
F0D524B18 · Nov 4
$9,146 AUD
£4,948 GBP
View
11 more retailers have this diamond
Prices start from $4,128 AUDSave up to $5,018 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
$4,128 AUD