CaratHunter
Plans
Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557531375

Certificate GIA 2557531375

Diamond specifications and retailer prices

From $4,792 NZD
HK$21,100 HKD
As of November 1, 2026
Save $5,842 NZD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,634 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 2557531375. Listed at 13 retailers as of November 1, 2026, with prices from $4,792 to $10,634, a $5,842 spread on the same certified stone. MOH London lists it at $10,634. 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 1
Current: $10,634 NZD|Low: $4,747 NZD|High: $11,023 NZD|Avg: $6,645 NZD|-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 8$4,792 NZD
Retailer 7$5,118 NZD
Retailer 11$5,714 NZD
Retailer 5$5,827 NZD
Retailer 3$6,489 NZD
Retailer 4$6,573 NZD
Retailer 6$6,600 NZD
Retailer 10$6,671 NZD
Retailer 9$6,725 NZD
Retailer 2$7,391 NZD
MOH London$10,634 NZD

33 data points across 11 retailers

13 retailers$4,792 NZD to $10,634 NZD

A
Cheapest Retailer
-
$4,792 NZD
HK$21,100 HKD
A
Retailer 2
-
$5,118 NZD
₹274,724 INR
View
A
Retailer 3
-
$5,714 NZD
SGD 4,352 SGD
View
A
Retailer 4
-
$5,827 NZD
$3,284 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,049 NZD
$3,409 USD
View
B+
Retailer 6
-
$6,375 NZD
A$5,528 AUD
View
Retailer 7
-
$6,489 NZD
$3,657 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$6,573 NZD
$3,704 USD
View
B+
Retailer 9
-
$6,600 NZD
£2,929 GBP
View
B+
Retailer 10
-
$6,671 NZD
SGD 5,081 SGD
View
B+
Retailer 11
-
$6,725 NZD
$3,790 USD
View
B+
Retailer 12
-
$7,391 NZD
€3,967 EUR
View
Most Expensive
B
MOH London
A856D8BF8 · Nov 1
$10,634 NZD
£4,719 GBP
View
12 more retailers have this diamond
Prices start from $4,792 NZDSave up to $5,842 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
$4,792 NZD