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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6545802542

Certificate GIA 6545802542

Diamond specifications and retailer prices

From $4,576 AUD
As of November 5, 2026
Save $4,940 AUD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,515 AUD at MOH London · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545802542. Listed at 20 retailers as of November 2, 2026, with prices from $4,576 to $9,515, a $4,940 spread on the same certified stone. MOH London lists it at $9,515. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545802542
Dimensions6.93 × 6.95 × 4.38 mm
L/W Ratio1.00
Top View
6.93 mm6.95 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545802542
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 63.1%

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 5
Current: $9,515 AUD|Low: $3,622 AUD|High: $9,515 AUD|Avg: $5,143 AUD|+15.5%
MOH London
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 6, 2026
Retailer 8$3,957 AUD
Retailer 7$4,256 AUD
Retailer 15$4,427 AUD
Retailer 14$4,576 AUD
Retailer 12$4,758 AUD
Retailer 3$4,803 AUD
Retailer 4$4,803 AUD
Retailer 9$4,896 AUD
Retailer 5$4,963 AUD
Retailer 16$5,397 AUD
Retailer 6$5,405 AUD
Retailer 11$5,605 AUD
Retailer 2$5,692 AUD
Retailer 10$6,418 AUD
Retailer 13$6,555 AUD
MOH London$9,515 AUD

38 data points across 16 retailers

20 retailers$4,576 AUD to $9,515 AUD

Retailer 1
-
$3,957 AUD
Price last confirmed 15 days ago
Retailer 2
-
$4,256 AUD
View
Price last confirmed 12 days ago
Retailer 3
-
$4,282 AUD
View
Price last confirmed 29 days ago
Retailer 4
-
$4,282 AUD
View
Price last confirmed 25 days ago
Retailer 5
-
$4,446 AUD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$4,576 AUD
View
B+
Retailer 7
-
$4,758 AUD
View
Final sale: no returns
Retailer 8
-
$4,803 AUD
View
Price last confirmed 11 days ago
Retailer 9
-
$4,803 AUD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$4,896 AUD
View
Retailer 11
-
$4,940 AUD
View
Price last confirmed 28 days ago
Retailer 12
-
$4,963 AUD
View
Price last confirmed 11 days ago
Retailer 13
-
$5,397 AUD
View
Price last confirmed 14 days ago
Retailer 14
-
$5,405 AUD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$5,605 AUD
View
B+
Retailer 16
-
$5,692 AUD
View
B
Retailer 17
-
$6,418 AUD
View
B+
Retailer 18
-
$6,555 AUD
View
Retailer 19
-
$8,233 AUD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
145635E66 · Nov 2
$9,515 AUD
£5,148 GBP
View
19 more retailers have this diamond
Prices start from $4,576 AUDSave up to $4,940 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
$4,576 AUD