Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 5566322875

Certificate GIA 5566322875

Diamond specifications and retailer prices

From $2,789 NZD
$1,572 USD
As of November 2, 2026
Save $3,054 NZD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,843 NZD 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 November 1, 2026, with prices from $2,789 to $5,843, a $3,054 spread on the same certified stone. MOH London lists it at $5,843. 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
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: Nov 2
Current: $5,843 NZD|Low: $2,745 NZD|High: $7,154 NZD|Avg: $3,674 NZD|-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 2, 2026
Retailer 13$2,789 NZD
Retailer 7$2,883 NZD
Retailer 11$3,015 NZD
Retailer 6$3,022 NZD
Retailer 8$3,112 NZD
Retailer 12$3,149 NZD
Retailer 3$3,207 NZD
Retailer 2$3,297 NZD
Retailer 9$3,350 NZD
Retailer 10$3,442 NZD
Retailer 4$3,886 NZD
Retailer 5$4,174 NZD
MOH London$5,843 NZD

33 data points across 13 retailers

12 retailers$2,789 NZD to $5,843 NZD

A
Cheapest Retailer
-
$2,789 NZD
$1,572 USD
Final sale: no returns
A
Retailer 2
-
$2,883 NZD
$1,625 USD
View
A
Retailer 3
-
$3,015 NZD
$1,699 USD
View
A
Retailer 4
-
$3,022 NZD
$1,703 USD
View
A
Retailer 5
-
$3,112 NZD
$1,754 USD
View
A
Retailer 6
-
$3,149 NZD
$1,775 USD
View
A
Retailer 7
-
$3,207 NZD
$1,808 USD
View
A
Retailer 8
-
$3,297 NZD
£1,463 GBP
View
A
Retailer 9
-
$3,350 NZD
$1,888 USD
View
A
Retailer 10
-
$3,442 NZD
$1,940 USD
View
Retailer 11
-
$3,886 NZD
$2,190 USD
View
Price last confirmed 17 days ago
Most Expensive
B+
MOH London
68DC9EAEF · Nov 1
$5,843 NZD
£2,593 GBP
View
11 more retailers have this diamond
Prices start from $2,789 NZDSave up to $3,054 NZD

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
$2,789 NZD