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Cushion|Natural|GIA

1.30ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6552251784

Certificate GIA 6552251784

Diamond specifications and retailer prices

From $3,327 CAD
As of November 6, 2026
Save $2,974 CAD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,301 CAD at MOH London · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552251784. Listed at 7 retailers as of November 4, 2026, with prices from $3,327 to $6,301, a $2,974 spread on the same certified stone. MOH London lists it at $6,301. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
OriginNatural
Grading LabGIA
CertificateGIA 6552251784
Dimensions6.85 × 5.49 × 3.85 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Natural
Top View
6.85 mm5.49 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6552251784
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 70.2%

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: $6,301 CAD|Low: $3,051 CAD|High: $6,393 CAD|Avg: $4,168 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$3,327 CAD
Retailer 4$3,467 CAD
Retailer 5$3,605 CAD
Retailer 3$3,815 CAD
Retailer 7$4,040 CAD
Retailer 2$4,476 CAD
MOH London$6,301 CAD

46 data points across 7 retailers

7 retailers$3,327 CAD to $6,301 CAD

A
Cheapest Retailer
-
$3,327 CAD
Final sale: no returns
A
Retailer 2
-
$3,467 CAD
View
Retailer 3
-
$3,605 CAD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$3,815 CAD
View
Retailer 5
-
$4,040 CAD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$4,476 CAD
View
Most Expensive
B+
MOH London
9E10553AD · Nov 4
$6,301 CAD
£3,527 GBP
View
6 more retailers have this diamond
Prices start from $3,327 CADSave up to $2,974 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
$3,327 CAD