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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2245053874

Certificate GIA 2245053874

Diamond specifications and retailer prices

From $3,030 CAD
As of November 5, 2026
Save $2,719 CAD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,749 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded J 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 2245053874. Listed at 12 retailers as of November 5, 2026, with prices from $3,030 to $5,749, a $2,719 spread on the same certified stone. Helzberg Diamonds lists it at $5,749. 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

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245053874
Dimensions7.40 × 5.82 × 4.04 mm
L/W Ratio1.27
Culet sizeNone
Top View
7.40 mm5.82 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245053874
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.4%

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 5
Current: $5,749 CAD|Low: $3,013 CAD|High: $6,192 CAD|Avg: $3,995 CAD|-7.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 6$3,030 CAD
Retailer 2$3,180 CAD
Retailer 8$3,206 CAD
Retailer 4$3,270 CAD
Retailer 5$3,432 CAD
Retailer 12$3,493 CAD
Retailer 3$3,494 CAD
Retailer 10$3,785 CAD
Retailer 7$3,798 CAD
Retailer 11$3,976 CAD
Retailer 9$5,439 CAD
Helzberg Diamonds$5,749 CAD

31 data points across 12 retailers

12 retailers$3,030 CAD to $5,749 CAD

A
Cheapest Retailer
-
$3,030 CAD
A
Retailer 2
-
$3,180 CAD
View
A
Retailer 3
-
$3,206 CAD
View
Retailer 4
-
$3,270 CAD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$3,432 CAD
View
A
Retailer 6
-
$3,493 CAD
View
A
Retailer 7
-
$3,494 CAD
View
A
Retailer 8
-
$3,785 CAD
View
A
Retailer 9
-
$3,798 CAD
View
A
Retailer 10
-
$3,976 CAD
View
B+
Retailer 11
-
$5,439 CAD
View
Most Expensive
B+
Helzberg Diamonds
XZRIIKLGLJONK · Nov 6
$5,749 CAD
$4,087 USD
View
11 more retailers have this diamond
Prices start from $3,030 CADSave up to $2,719 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
1.51ct Cushion
$3,030 CAD