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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 5232739201

Certificate GIA 5232739201

Diamond specifications and retailer prices

From $7,413 NZD
$4,171 USD
As of October 31, 2026
Save $8,256 NZD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $15,669 NZD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232739201. Listed at 24 retailers as of October 29, 2026, with prices from $7,413 to $15,669, a $8,256 spread on the same certified stone. MOH London lists it at $15,669. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.05°
OriginNatural
Grading LabGIA
CertificateGIA 5232739201
Dimensions7.84 × 5.99 × 4.06 mm
L/W Ratio1.31
Top View
7.84 mm5.99 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5232739201
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 36.05°Culet: NDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $15,669 NZD|Low: $7,086 NZD|High: $15,773 NZD|Avg: $9,883 NZD|+0.4%
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 11$7,413 NZD
Retailer 7$8,181 NZD
Retailer 6$8,252 NZD
Retailer 3$8,344 NZD
Retailer 9$8,865 NZD
Retailer 10$9,150 NZD
Retailer 4$9,547 NZD
Retailer 8$9,801 NZD
Retailer 2$11,070 NZD
Retailer 5$12,028 NZD
MOH London$15,669 NZD

44 data points across 11 retailers

24 retailers$7,413 NZD to $15,669 NZD

B+
Cheapest Retailer
-
$7,413 NZD
$4,171 USD
B+
Retailer 2
-
$7,644 NZD
$4,301 USD
View
B+
Retailer 3
-
$7,731 NZD
$4,350 USD
View
Retailer 4
-
$7,793 NZD
$4,385 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$7,826 NZD
$4,403 USD
View
B
Retailer 6
-
$8,071 NZD
A$6,986 AUD
View
B
Retailer 7
-
$8,181 NZD
$4,603 USD
View
Final sale: no returns
B
Retailer 8
-
$8,252 NZD
$4,643 USD
View
B
Retailer 9
-
$8,344 NZD
$4,695 USD
View
B
Retailer 10
-
$8,784 NZD
$4,942 USD
View
B
Retailer 11
-
$8,865 NZD
$4,988 USD
View
B
Retailer 12
-
$9,101 NZD
A$7,878 AUD
View
B
Retailer 13
-
$9,121 NZD
CA$7,127 CAD
View
B
Retailer 14
-
$9,150 NZD
$5,148 USD
View
B
Retailer 15
-
$9,547 NZD
£4,230 GBP
View
B
Retailer 16
-
$9,740 NZD
$5,480 USD
View
B
Retailer 17
-
$9,740 NZD
$5,480 USD
View
Retailer 18
-
$9,801 NZD
A$8,484 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$10,046 NZD
$5,652 USD
View
B
Retailer 20
-
$10,060 NZD
$5,660 USD
View
Retailer 21
-
$10,799 NZD
$6,076 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$11,070 NZD
€5,932 EUR
View
B
Retailer 23
-
$12,028 NZD
ZAR 109,332 ZAR
View
Most Expensive
B
MOH London
3875FE8C0 · Oct 29
$15,669 NZD
£6,942 GBP
View
23 more retailers have this diamond
Prices start from $7,413 NZDSave up to $8,256 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.

B+
1.51ct Cushion
$7,413 NZD