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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557531375

Certificate GIA 2557531375

Diamond specifications and retailer prices

From $3,773 CAD
HK$21,100 HKD
As of November 1, 2026
Save $4,599 CAD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,372 CAD at MOH London · As of November 1, 2026
View at MOH London

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 2557531375. Listed at 13 retailers as of November 1, 2026, with prices from $3,773 to $8,372, a $4,599 spread on the same certified stone. MOH London lists it at $8,372. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557531375
Dimensions7.62 × 5.83 × 4.01 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.62 mm5.83 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557531375
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $8,372 CAD|Low: $3,737 CAD|High: $8,679 CAD|Avg: $5,176 CAD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5$3,773 CAD
Retailer 2$4,029 CAD
Retailer 11$4,499 CAD
Retailer 7$4,620 CAD
Retailer 3$5,108 CAD
Retailer 9$5,209 CAD
Retailer 4$5,232 CAD
Retailer 10$5,252 CAD
Retailer 8$5,294 CAD
Retailer 6$5,861 CAD
MOH London$8,372 CAD

34 data points across 11 retailers

13 retailers$3,773 CAD to $8,372 CAD

A
Cheapest Retailer
-
$3,773 CAD
HK$21,100 HKD
A
Retailer 2
-
$4,029 CAD
₹274,724 INR
View
A
Retailer 3
-
$4,499 CAD
SGD 4,352 SGD
View
A
Retailer 4
-
$4,620 CAD
$3,307 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,762 CAD
$3,409 USD
View
B+
Retailer 6
-
$5,019 CAD
A$5,528 AUD
View
Retailer 7
-
$5,108 CAD
$3,657 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$5,209 CAD
$3,729 USD
View
B+
Retailer 9
-
$5,232 CAD
£2,949 GBP
View
B+
Retailer 10
-
$5,252 CAD
SGD 5,081 SGD
View
B+
Retailer 11
-
$5,294 CAD
$3,790 USD
View
B+
Retailer 12
-
$5,861 CAD
€3,996 EUR
View
Most Expensive
B
MOH London
A856D8BF8 · Nov 1
$8,372 CAD
£4,719 GBP
View
12 more retailers have this diamond
Prices start from $3,773 CADSave up to $4,599 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
$3,773 CAD