Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2516339828

Certificate GIA 2516339828

Diamond specifications and retailer prices

From $7,413 NZD

$4,171 USD

As of November 2, 2026

Save $8,173 NZD (52%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $15,586 NZD at MOH London · As of November 2, 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 2516339828. Listed at 25 retailers as of November 2, 2026, with prices from $7,413 to $15,586, a $8,173 spread on the same certified stone. MOH London lists it at $15,586. 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

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.63°

Pavilion angle36.01°

OriginNatural

Grading LabGIA

CertificateGIA 2516339828

Dimensions7.68 × 5.91 × 4.11 mm

L/W Ratio1.30

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2516339828

Side View

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: Nov 2

Current: $15,586 NZD|Low: $7,086 NZD|High: $15,773 NZD|Avg: $10,024 NZD

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 10$7,413 NZD

Retailer 7$7,795 NZD

Retailer 11$8,344 NZD

Retailer 8$8,865 NZD

Retailer 9$9,327 NZD

Retailer 4$9,547 NZD

Retailer 6$9,801 NZD

Retailer 3$10,799 NZD

Retailer 2$11,070 NZD

Retailer 5$12,028 NZD

MOH London$15,586 NZD

42 data points across 11 retailers

25 retailers$7,413 NZD to $15,586 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

B+

Retailer 4

$7,795 NZD

$4,386 USD

View

Final sale: no returns

B+

Retailer 5

$7,826 NZD

$4,403 USD

View

Retailer 6

$8,071 NZD

A$6,986 AUD

View

Retailer 7

$8,311 NZD

CA$6,495 CAD

View

Retailer 8

$8,327 NZD

$4,685 USD

View

Retailer 9

$8,344 NZD

$4,695 USD

View

B+

Retailer 10

$8,784 NZD

$4,942 USD

View

Retailer 11

$8,865 NZD

$4,988 USD

View

Retailer 12

$9,018 NZD

$5,074 USD

View

Retailer 13

$9,327 NZD

$5,248 USD

View

Retailer 14

$9,340 NZD

$5,255 USD

View

Retailer 15

$9,547 NZD

£4,230 GBP

View

Retailer 16

$9,801 NZD

A$8,484 AUD

View

Price last confirmed 24 days ago

Retailer 17

$9,935 NZD

$5,590 USD

View

Retailer 18

$9,935 NZD

$5,590 USD

View

Retailer 19

$10,255 NZD

$5,770 USD

View

Retailer 20

$10,799 NZD

$6,076 USD

View

Price last confirmed 10 days ago

Retailer 21

$11,070 NZD

€5,932 EUR

View

Retailer 22

$11,272 NZD

$6,342 USD

View

Retailer 23

$12,028 NZD

ZAR 109,332 ZAR

View

Retailer 24

$14,170 NZD

$7,973 USD

View

Most Expensive

MOH London

66A04432A · Nov 2

$15,586 NZD

£6,905 GBP

View

24 more retailers have this diamond

Prices start from $7,413 NZDSave up to $8,173 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.

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