Cushion|Natural|GIA

1.50ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 5242072584

Certificate GIA 5242072584

Diamond specifications and retailer prices

From $3,334 AUD
As of November 6, 2026
Save $4,211 AUD (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,545 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 5242072584. Listed at 6 retailers as of November 4, 2026, with prices from $3,334 to $7,545, a $4,211 spread on the same certified stone. MOH London lists it at $7,545. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle37.47°
OriginNatural
Grading LabGIA
CertificateGIA 5242072584
Dimensions7.69 × 5.92 × 4.12 mm
L/W Ratio1.30
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.69 mm5.92 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242072584
Side View
Table 66.0%CrownGirdle: STK-VTKPavilion 37.47°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,545 AUD|Low: $3,334 AUD|High: $8,051 AUD|Avg: $5,149 AUD|-6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$3,334 AUD
Retailer 2$4,388 AUD
Retailer 4$4,640 AUD
Retailer 5$4,900 AUD
Retailer 3$5,436 AUD
MOH London$7,545 AUD

28 data points across 6 retailers

6 retailers$3,334 AUD to $7,545 AUD

A
Cheapest Retailer
-
$3,334 AUD
A
Retailer 2
-
$4,388 AUD
View
A
Retailer 3
-
$4,640 AUD
View
A
Retailer 4
-
$4,900 AUD
View
A
Retailer 5
-
$5,436 AUD
View
Most Expensive
B+
MOH London
92B60C967 · Nov 4
$7,545 AUD
£4,082 GBP
View
5 more retailers have this diamond
Prices start from $3,334 AUDSave up to $4,211 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
$3,334 AUD