Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1533872051

Certificate GIA 1533872051

Diamond specifications and retailer prices

From $4,355 AUD

$3,059 USD

As of November 2, 2026

Save $4,815 AUD (53%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: $9,170 AUD 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 G 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 1533872051. Listed at 12 retailers as of November 1, 2026, with prices from $4,355 to $9,170, a $4,815 spread on the same certified stone. MOH London lists it at $9,170. 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

FluorescenceFaint

OriginNatural

Grading LabGIA

CertificateGIA 1533872051

Dimensions6.63 × 6.22 × 4.15 mm

L/W Ratio1.07

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Feather, Cloud, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 1533872051

Side View

Caratlytics Score

How it works →

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: $9,170 AUD|Low: $3,801 AUD|High: $9,170 AUD|Avg: $5,488 AUD|+4.0%

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

Retailer 14

November 1, 2026

Retailer 11$4,074 AUD

Retailer 8$4,257 AUD

Retailer 2$4,355 AUD

Retailer 5$4,674 AUD

Retailer 7$4,762 AUD

Retailer 14$5,264 AUD

Retailer 13$5,334 AUD

Retailer 9$5,463 AUD

Retailer 4$5,473 AUD

Retailer 12$5,640 AUD

Retailer 6$5,936 AUD

Retailer 10$6,141 AUD

Retailer 3$6,349 AUD

MOH London$9,170 AUD

35 data points across 14 retailers

12 retailers$4,355 AUD to $9,170 AUD

Retailer 1

$4,257 AUD

$2,990 USD

Price last confirmed 11 days ago

Retailer 2

$4,355 AUD

$3,059 USD

View

Final sale: no returns

Retailer 3

$4,674 AUD

$3,283 USD

View

Price last confirmed 27 days ago

Retailer 4

$4,762 AUD

$3,345 USD

View

Retailer 5

$5,180 AUD

View

Retailer 6

$5,264 AUD

$3,698 USD

View

Price last confirmed 25 days ago

Retailer 7

$5,334 AUD

$3,747 USD

View

Price last confirmed 25 days ago

Retailer 8

$5,473 AUD

$3,844 USD

View

Price last confirmed 24 days ago

Retailer 9

$5,640 AUD

View

Price last confirmed 24 days ago

Retailer 10

$5,936 AUD

$4,170 USD

View

Price last confirmed 23 days ago

Retailer 11

$6,349 AUD

ZAR 72,044 ZAR

View

Price last confirmed 32 days ago

Most Expensive

B+

MOH London

28EA0EA95 · Nov 1

$9,170 AUD

£5,072 GBP

View

11 more retailers have this diamond

Prices start from $4,355 AUDSave up to $4,815 AUD

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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