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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 5566322875

Certificate GIA 5566322875

Diamond specifications and retailer prices

From $1,572 USD
As of October 31, 2026
Save $1,721 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,293 USD 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 5566322875. Listed at 12 retailers as of October 31, 2026, with prices from $1,572 to $3,293, a $1,721 spread on the same certified stone. MOH London lists it at $3,293. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566322875
Dimensions7.81 × 5.89 × 4.02 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle
Top View
7.81 mm5.89 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566322875
Side View
Table 63.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 68.3%

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: Oct 31
Current: $3,293 USD|Low: $1,547 USD|High: $4,032 USD|Avg: $2,076 USD|-18.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$1,572 USD
Retailer 7$1,625 USD
Retailer 11$1,699 USD
Retailer 6$1,703 USD
Retailer 8$1,754 USD
Retailer 12$1,775 USD
Retailer 3$1,808 USD
Retailer 2$1,858 USD
Retailer 9$1,888 USD
Retailer 10$1,940 USD
Retailer 4$2,190 USD
Retailer 5$2,353 USD
MOH London$3,293 USD

32 data points across 13 retailers

12 retailers$1,572 USD to $3,293 USD

A
Cheapest Retailer
-
$1,572 USD
Final sale: no returns
A
Retailer 2
-
$1,625 USD
View
A
Retailer 3
-
$1,699 USD
View
A
Retailer 4
-
$1,703 USD
View
A
Retailer 5
-
$1,754 USD
View
A
Retailer 6
-
$1,775 USD
View
A
Retailer 7
-
$1,808 USD
View
A
Retailer 8
-
$1,858 USD
£1,463 GBP
View
A
Retailer 9
-
$1,888 USD
View
A
Retailer 10
-
$1,940 USD
View
Retailer 11
-
$2,190 USD
View
Price last confirmed 17 days ago
Most Expensive
B+
MOH London
68DC9EAEF · Nov 1
$3,293 USD
£2,593 GBP
View
11 more retailers have this diamond
Prices start from $1,572 USDSave up to $1,721 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
$1,572 USD