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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1553373655

Certificate GIA 1553373655

Diamond specifications and retailer prices

From $3,839 AUD
As of November 4, 2026
Save $4,752 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,591 AUD at MOH London · As of November 2, 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 J 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 1553373655. Listed at 15 retailers as of November 2, 2026, with prices from $3,839 to $8,591, a $4,752 spread on the same certified stone. MOH London lists it at $8,591. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553373655
Dimensions6.62 × 6.61 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.62 mm6.61 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553373655
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
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 4
Current: $8,591 AUD|Low: $3,788 AUD|High: $8,733 AUD|Avg: $5,195 AUD|-1.6%
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 6, 2026
Retailer 4$3,839 AUD
Retailer 13$3,855 AUD
Retailer 9$4,129 AUD
Retailer 10$4,192 AUD
Retailer 3$4,295 AUD
Retailer 6$4,400 AUD
Retailer 14$4,692 AUD
Retailer 12$4,788 AUD
Retailer 8$4,873 AUD
Retailer 5$5,018 AUD
Retailer 2$5,052 AUD
Retailer 7$5,980 AUD
Retailer 11$7,977 AUD
MOH London$8,591 AUD

27 data points across 14 retailers

15 retailers$3,839 AUD to $8,591 AUD

A
Cheapest Retailer
-
$3,839 AUD
A
Retailer 2
-
$3,855 AUD
View
A
Retailer 3
-
$4,129 AUD
View
A
Retailer 4
-
$4,192 AUD
View
A
Retailer 5
-
$4,295 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,400 AUD
View
A
Retailer 7
-
$4,692 AUD
View
A
Retailer 8
-
$4,788 AUD
View
A
Retailer 9
-
$4,873 AUD
View
Retailer 10
-
$5,018 AUD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$5,052 AUD
View
B+
Retailer 12
-
$5,400 AUD
View
B+
Retailer 13
-
$5,980 AUD
View
B
Retailer 14
-
$7,977 AUD
View
Most Expensive
B
MOH London
A0FA91C9F · Nov 2
$8,591 AUD
£4,648 GBP
View
14 more retailers have this diamond
Prices start from $3,839 AUDSave up to $4,752 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
$3,839 AUD