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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7548215724

Certificate GIA 7548215724

Diamond specifications and retailer prices

From $5,456 AUD
As of November 6, 2026
Save $6,072 AUD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,528 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7548215724. Listed at 13 retailers as of November 4, 2026, with prices from $5,456 to $11,528, a $6,072 spread on the same certified stone. MOH London lists it at $11,528. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7548215724
Dimensions6.66 × 6.15 × 4.24 mm
L/W Ratio1.08
Top View
6.66 mm6.15 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7548215724
Side View
Table 60.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 68.9%

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: $11,528 AUD|Low: $5,456 AUD|High: $11,683 AUD|Avg: $7,884 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$5,456 AUD
Retailer 3$6,753 AUD
Retailer 5$7,146 AUD
Retailer 7$7,258 AUD
Retailer 4$8,166 AUD
Retailer 6$8,855 AUD
MOH London$11,528 AUD

27 data points across 7 retailers

13 retailers$5,456 AUD to $11,528 AUD

A
Cheapest Retailer
-
$5,456 AUD
A
Retailer 2
-
$6,197 AUD
View
A
Retailer 3
-
$6,330 AUD
View
A
Retailer 4
-
$6,698 AUD
View
Final sale: no returns
A
Retailer 5
-
$6,753 AUD
View
A
Retailer 6
-
$6,826 AUD
View
A
Retailer 7
-
$7,146 AUD
View
Retailer 8
-
$7,258 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
$7,316 AUD
View
Price last confirmed 29 days ago
A
Retailer 10
-
$7,625 AUD
View
A
Retailer 11
-
$8,166 AUD
View
B+
Retailer 12
-
$8,855 AUD
View
Most Expensive
B+
MOH London
7A32D231E · Nov 4
$11,528 AUD
£6,237 GBP
View
12 more retailers have this diamond
Prices start from $5,456 AUDSave up to $6,072 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
$5,456 AUD