Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2245053874

Certificate GIA 2245053874

Diamond specifications and retailer prices

From $2,154 USD
As of November 5, 2026
Save $1,933 USD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,087 USD 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 $2,154 to $4,087, a $1,933 spread on the same certified stone. Helzberg Diamonds lists it at $4,087. 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: $4,087 USD|Low: $2,142 USD|High: $4,402 USD|Avg: $2,840 USD|-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$2,154 USD
Retailer 2$2,261 USD
Retailer 8$2,279 USD
Retailer 4$2,325 USD
Retailer 5$2,440 USD
Retailer 12$2,483 USD
Retailer 3$2,484 USD
Retailer 10$2,691 USD
Retailer 7$2,700 USD
Retailer 11$2,827 USD
Retailer 9$3,867 USD
Helzberg Diamonds$4,087 USD

31 data points across 12 retailers

12 retailers$2,154 USD to $4,087 USD

A
Cheapest Retailer
-
$2,154 USD
A
Retailer 2
-
$2,261 USD
View
A
Retailer 3
-
$2,279 USD
View
Retailer 4
-
$2,325 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$2,440 USD
View
A
Retailer 6
-
$2,483 USD
View
A
Retailer 7
-
$2,484 USD
View
A
Retailer 8
-
$2,691 USD
View
A
Retailer 9
-
$2,700 USD
View
A
Retailer 10
-
$2,827 USD
View
B+
Retailer 11
-
$3,867 USD
View
Most Expensive
B+
Helzberg Diamonds
XZRIIKLGLJONK · Nov 6
$4,087 USD
View
11 more retailers have this diamond
Prices start from $2,154 USDSave up to $1,933 USD

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
$2,154 USD