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Cushion|Natural|GIA

1.00ct K SI2 Cushion Natural Diamond

EX • K/SI2 • GIA 5413612717

Certificate GIA 5413612717

Diamond specifications and retailer prices

From $1,129 CAD
As of November 6, 2026
Save $3,114 CAD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,244 CAD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413612717. Listed at 13 retailers as of November 5, 2026, with prices from $1,129 to $4,244, a $3,114 spread on the same certified stone. Adiamor lists it at $4,244. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413612717
Dimensions5.55 × 5.48 × 4.13 mm
L/W Ratio1.01
Top View
5.55 mm5.48 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5413612717
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 75.3%

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: $1,129 CAD|Low: $1,129 CAD|High: $2,988 CAD|Avg: $1,859 CAD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$1,129 CAD
Retailer 7$1,170 CAD
Retailer 6$1,540 CAD
Retailer 9$1,612 CAD
Retailer 4$1,618 CAD
Retailer 2$1,649 CAD
Retailer 5$1,819 CAD
Retailer 3$2,241 CAD
Retailer 8$2,968 CAD

29 data points across 9 retailers

13 retailers$1,129 CAD to $4,244 CAD

A
Cheapest Retailer
-
$1,129 CAD
A
Retailer 2
-
$1,170 CAD
View
B+
Retailer 3
-
$1,540 CAD
View
Retailer 4
-
$1,612 CAD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,618 CAD
View
B+
Retailer 6
-
$1,625 CAD
View
A
Retailer 7
-
$1,649 CAD
View
B+
Retailer 8
-
$1,788 CAD
View
B+
Retailer 9
-
$1,800 CAD
View
B+
Retailer 10
-
$1,819 CAD
View
B+
Retailer 11
-
$2,241 CAD
View
Retailer 12
-
$2,968 CAD
View
Price last confirmed 8 days ago
Most Expensive
C
Adiamor
D-51269128 · Nov 5
$4,244 CAD
$3,017 USD
View
12 more retailers have this diamond
Prices start from $1,129 CADSave up to $3,114 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
$1,129 CAD