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Cushion|Natural|GIA

1.30ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 2566533543

Certificate GIA 2566533543

Diamond specifications and retailer prices

From $3,601 CAD
As of November 6, 2026
Save $4,538 CAD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,139 CAD at MOH London · As of November 1, 2026
View at MOH London

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 2566533543. Listed at 9 retailers as of November 1, 2026, with prices from $3,601 to $8,139, a $4,538 spread on the same certified stone. MOH London lists it at $8,139. 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 2566533543
Dimensions7.32 × 5.69 × 3.95 mm
L/W Ratio1.29
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.32 mm5.69 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566533543
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.4%

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: $8,139 CAD|Low: $3,601 CAD|High: $8,317 CAD|Avg: $5,073 CAD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$3,601 CAD
Retailer 6$4,161 CAD
Retailer 9$4,401 CAD
Retailer 8$4,403 CAD
Retailer 3$4,671 CAD
Retailer 5$4,944 CAD
Retailer 4$5,565 CAD
Retailer 2$6,771 CAD
MOH London$8,139 CAD

18 data points across 9 retailers

9 retailers$3,601 CAD to $8,139 CAD

A
Cheapest Retailer
-
$3,601 CAD
A
Retailer 2
-
$4,161 CAD
View
B+
Retailer 3
-
$4,401 CAD
View
B+
Retailer 4
-
$4,403 CAD
View
B+
Retailer 5
-
$4,671 CAD
View
B+
Retailer 6
-
$4,944 CAD
View
B+
Retailer 7
-
$5,565 CAD
View
B
Retailer 8
-
$6,771 CAD
View
Most Expensive
B
MOH London
82A89C3B9 · Nov 1
$8,139 CAD
£4,556 GBP
View
8 more retailers have this diamond
Prices start from $3,601 CADSave up to $4,538 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
$3,601 CAD