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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 6555228607

Certificate GIA 6555228607

Diamond specifications and retailer prices

From $1,414 CAD
As of November 6, 2026
Save $486 CAD (26%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,900 CAD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J 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 6555228607. Listed at 7 retailers as of November 6, 2026, with prices from $1,414 to $1,900, a $486 spread on the same certified stone. GemTrove lists it at $1,900. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555228607
Dimensions5.56 × 5.44 × 3.70 mm
L/W Ratio1.02
Top View
5.56 mm5.44 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555228607
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.0%

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: $1,900 CAD|Low: $1,263 CAD|High: $1,917 CAD|Avg: $1,610 CAD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,414 CAD
Retailer 4$1,418 CAD
Retailer 3$1,476 CAD
Retailer 2$1,553 CAD
Retailer 6$1,613 CAD
Retailer 5$1,736 CAD
GemTrove$1,900 CAD

41 data points across 7 retailers

7 retailers$1,414 CAD to $1,900 CAD

A
Cheapest Retailer
-
$1,414 CAD
A
Retailer 2
-
$1,418 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,476 CAD
View
A
Retailer 4
-
$1,553 CAD
View
A
Retailer 5
-
$1,613 CAD
View
A
Retailer 6
-
$1,736 CAD
View
Most Expensive
B+
GemTrove
GT-N-00979294-98 · Nov 6
$1,900 CAD
A$2,078 AUD
View
6 more retailers have this diamond
Prices start from $1,414 CADSave up to $486 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
$1,414 CAD