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1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564026103

Certificate GIA 2564026103

Diamond specifications and retailer prices

From $3,592 CAD
As of November 6, 2026
Save $4,864 CAD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,456 CAD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564026103. Listed at 9 retailers as of November 5, 2026, with prices from $3,592 to $8,456, a $4,864 spread on the same certified stone. NZ Jewellers lists it at $8,456. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2564026103
Dimensions6.86 × 6.91 × 4.38 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.86 mm6.91 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564026103
Side View
Table 55.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 63.6%

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: $8,456 CAD|Low: $3,592 CAD|High: $8,831 CAD|Avg: $5,564 CAD|-4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$3,592 CAD
Retailer 5$4,117 CAD
Retailer 9$4,367 CAD
Retailer 6$4,855 CAD
Retailer 2$4,984 CAD
Retailer 7$5,040 CAD
Retailer 3$5,525 CAD
Retailer 4$8,096 CAD
NZ Jewellers$8,456 CAD

43 data points across 9 retailers

9 retailers$3,592 CAD to $8,456 CAD

A
Cheapest Retailer
-
$3,592 CAD
A
Retailer 2
-
$4,117 CAD
View
A
Retailer 3
-
$4,367 CAD
View
A
Retailer 4
-
$4,855 CAD
View
A
Retailer 5
-
$4,984 CAD
View
A
Retailer 6
-
$5,040 CAD
View
B+
Retailer 7
-
$5,525 CAD
View
B
Retailer 8
-
$8,096 CAD
View
Most Expensive
B
NZ Jewellers
c6d91330-ee31-4eda-9055-1da821fc3b0d · Nov 5
$8,456 CAD
$6,055 USD
View
8 more retailers have this diamond
Prices start from $3,592 CADSave up to $4,864 CAD

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
$3,592 CAD