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Cushion|Natural|GIA

1.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 3545458575

Certificate GIA 3545458575

Diamond specifications and retailer prices

From $3,366 CAD
As of November 6, 2026
Save $3,044 CAD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,410 CAD at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545458575. Listed at 6 retailers as of November 6, 2026, with prices from $3,366 to $6,410, a $3,044 spread on the same certified stone. With Clarity lists it at $6,410. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545458575
Dimensions6.41 × 6.11 × 4.19 mm
L/W Ratio1.05
Top View
6.41 mm6.11 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545458575
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.6%

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: $4,064 CAD|Low: $3,366 CAD|High: $6,410 CAD|Avg: $4,840 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 5, 2026
Retailer 4$3,366 CAD
Retailer 5$4,052 CAD
Retailer 1$4,064 CAD
Retailer 3$4,768 CAD
Retailer 2$4,842 CAD
Retailer 6$5,266 CAD
Retailer 7$5,697 CAD
With Clarity$6,410 CAD

11 data points across 8 retailers

6 retailers$3,366 CAD to $6,410 CAD

A
Cheapest Retailer
-
$3,366 CAD
A
Retailer 2
-
$4,052 CAD
View
A
Retailer 3
-
$4,064 CAD
View
B+
Retailer 4
-
$4,768 CAD
View
B+
Retailer 5
-
$4,842 CAD
View
Most Expensive
B
With Clarity
3545458575 · Nov 6
$6,410 CAD
$4,557 USD
View
5 more retailers have this diamond
Prices start from $3,366 CADSave up to $3,044 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 Cushion
$3,366 CAD