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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 6425709135

Certificate GIA 6425709135

Diamond specifications and retailer prices

From $1,644 CAD
As of November 6, 2026
Save $1,693 CAD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,337 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6425709135. Listed at 10 retailers as of November 4, 2026, with prices from $1,644 to $3,337, a $1,693 spread on the same certified stone. MOH London lists it at $3,337. 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

1.00
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425709135
Dimensions5.48 × 5.41 × 3.74 mm
L/W Ratio1.01
Top View
5.48 mm5.41 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425709135
Side View
Table 57.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 69.1%

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 6
Current: $3,337 CAD|Low: $1,644 CAD|High: $3,385 CAD|Avg: $2,028 CAD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$1,644 CAD
Retailer 2$1,671 CAD
Retailer 8$1,685 CAD
Retailer 10$1,692 CAD
Retailer 3$1,796 CAD
Retailer 6$1,827 CAD
Retailer 9$1,948 CAD
Retailer 5$2,052 CAD
Retailer 4$2,535 CAD
MOH London$3,337 CAD

29 data points across 10 retailers

10 retailers$1,644 CAD to $3,337 CAD

A
Cheapest Retailer
-
$1,644 CAD
A
Retailer 2
-
$1,671 CAD
View
A
Retailer 3
-
$1,685 CAD
View
Final sale: no returns
A
Retailer 4
-
$1,692 CAD
View
A
Retailer 5
-
$1,796 CAD
View
Retailer 6
-
$1,827 CAD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,948 CAD
View
A
Retailer 8
-
$2,052 CAD
View
B+
Retailer 9
-
$2,535 CAD
View
Most Expensive
B+
MOH London
F1C310B20 · Nov 4
$3,337 CAD
£1,868 GBP
View
9 more retailers have this diamond
Prices start from $1,644 CADSave up to $1,693 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
1.00ct Cushion
$1,644 CAD