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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 $3,438 SGD
HK$21,000 HKD
As of November 2, 2026
Save $4,227 SGD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,665 SGD 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 $3,438 to $7,665, a $4,227 spread on the same certified stone. MOH London lists it at $7,665. 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
Colour
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 2
Current: $7,665 SGD|Low: $3,421 SGD|High: $7,946 SGD|Avg: $4,796 SGD|-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 2, 2026
Retailer 4$3,438 SGD
Retailer 2$3,664 SGD
Retailer 11$4,119 SGD
Retailer 7$4,200 SGD
Retailer 3$4,677 SGD
Retailer 6$4,738 SGD
Retailer 8$4,757 SGD
Retailer 10$4,809 SGD
Retailer 9$4,847 SGD
Retailer 5$5,327 SGD
MOH London$7,665 SGD

31 data points across 11 retailers

13 retailers$3,438 SGD to $7,665 SGD

A
Cheapest Retailer
-
$3,438 SGD
HK$21,000 HKD
A
Retailer 2
-
$3,664 SGD
₹272,831 INR
View
A
Retailer 3
-
$4,119 SGD
View
A
Retailer 4
-
$4,200 SGD
$3,284 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,360 SGD
$3,409 USD
View
B+
Retailer 6
-
$4,595 SGD
A$5,528 AUD
View
Retailer 7
-
$4,677 SGD
$3,657 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$4,738 SGD
$3,704 USD
View
B+
Retailer 9
-
$4,757 SGD
£2,929 GBP
View
B+
Retailer 10
-
$4,809 SGD
View
B+
Retailer 11
-
$4,847 SGD
$3,790 USD
View
B+
Retailer 12
-
$5,327 SGD
€3,967 EUR
View
Most Expensive
B
MOH London
A856D8BF8 · Nov 1
$7,665 SGD
£4,719 GBP
View
12 more retailers have this diamond
Prices start from $3,438 SGDSave up to $4,227 SGD

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
$3,438 SGD