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Cushion|Natural|GIA

1.00ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 3545886515

Certificate GIA 3545886515

Diamond specifications and retailer prices

From $1,277 CAD
As of November 6, 2026
Save $1,747 CAD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,024 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545886515. Listed at 20 retailers as of November 4, 2026, with prices from $1,277 to $3,024, a $1,747 spread on the same certified stone. MOH London lists it at $3,024. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.5°
OriginNatural
Grading LabGIA
CertificateGIA 3545886515
Dimensions5.86 × 5.61 × 3.76 mm
L/W Ratio1.04
Top View
5.86 mm5.61 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545886515
Side View
Table 63.0%CrownGirdle: THK-ETKPavilion 38.5°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,024 CAD|Low: $1,277 CAD|High: $3,126 CAD|Avg: $1,899 CAD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 15$1,277 CAD
Retailer 7$1,509 CAD
Retailer 18$1,528 CAD
Retailer 10$1,575 CAD
Retailer 8$1,585 CAD
Retailer 17$1,681 CAD
Retailer 3$1,736 CAD
Retailer 11$1,768 CAD
Retailer 9$1,785 CAD
Retailer 16$1,836 CAD
Retailer 12$1,858 CAD
Retailer 14$1,945 CAD
Retailer 5$1,968 CAD
Retailer 13$2,020 CAD
Retailer 2$2,304 CAD
Retailer 6$2,315 CAD
Retailer 4$2,723 CAD
MOH London$3,024 CAD

23 data points across 18 retailers

20 retailers$1,277 CAD to $3,024 CAD

A
Cheapest Retailer
-
$1,277 CAD
Retailer 2
-
$1,509 CAD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,528 CAD
View
Final sale: no returns
Retailer 4
-
$1,575 CAD
View
Price last confirmed 7 days ago
Retailer 5
-
$1,585 CAD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$1,681 CAD
View
A
Retailer 7
-
$1,736 CAD
View
A
Retailer 8
-
$1,768 CAD
View
Retailer 9
-
$1,785 CAD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,836 CAD
View
A
Retailer 11
-
$1,858 CAD
View
B+
Retailer 12
-
$1,945 CAD
View
A
Retailer 13
-
$1,968 CAD
View
A
Retailer 14
-
$2,020 CAD
View
A
Retailer 15
-
$2,191 CAD
View
Retailer 16
-
$2,298 CAD
View
Price last confirmed 33 days ago
A
Retailer 17
-
$2,304 CAD
View
Retailer 18
-
$2,315 CAD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$2,723 CAD
View
Most Expensive
B+
MOH London
12F93DD09 · Nov 4
$3,024 CAD
£1,693 GBP
View
19 more retailers have this diamond
Prices start from $1,277 CADSave up to $1,747 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
$1,277 CAD