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Cushion|Natural|GIA

1.50ct M SI1 Cushion Natural Diamond

EX • M/SI1 • GIA 1539589012

Certificate GIA 1539589012

Diamond specifications and retailer prices

From $1,795 AUD
As of November 6, 2026
Save $1,881 AUD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,675 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1539589012. Listed at 3 retailers as of November 6, 2026, with prices from $1,795 to $3,675, a $1,881 spread on the same certified stone. Yorxs lists it at $3,675. 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

1.50
Carat
M
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539589012
Dimensions6.19 × 6.18 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
Clouds, pinpoints and surface graining are not shown.
Key to symbols
Crystal, Feather, Needle
Top View
6.19 mm6.18 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539589012
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,795 AUD|Low: $1,795 AUD|High: $3,695 AUD|Avg: $3,032 AUD|-47.9%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1$1,795 AUD
Retailer 2$2,311 AUD
Yorxs$3,675 AUD

44 data points across 3 retailers

3 retailers$1,795 AUD to $3,675 AUD

A
Cheapest Retailer
-
$1,795 AUD
B+
Retailer 2
-
$2,311 AUD
View
Most Expensive
B+
Yorxs
5B4E7329C · Nov 6
$3,675 AUD
€2,405 EUR
View
2 more retailers have this diamond
Prices start from $1,795 AUDSave up to $1,881 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.

A
1.50ct Cushion
$1,795 AUD