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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 $4,759 NZD
As of November 4, 2026
Save $5,890 NZD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,648 NZD 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 $4,759 to $10,648, a $5,890 spread on the same certified stone. MOH London lists it at $10,648. 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: $10,648 NZD|Low: $4,696 NZD|High: $10,825 NZD|Avg: $6,439 NZD|-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$4,759 NZD
Retailer 13$4,779 NZD
Retailer 9$5,118 NZD
Retailer 10$5,195 NZD
Retailer 3$5,323 NZD
Retailer 6$5,453 NZD
Retailer 14$5,816 NZD
Retailer 12$5,935 NZD
Retailer 8$6,039 NZD
Retailer 5$6,220 NZD
Retailer 2$6,261 NZD
Retailer 7$7,412 NZD
Retailer 11$9,887 NZD
MOH London$10,648 NZD

27 data points across 14 retailers

15 retailers$4,759 NZD to $10,648 NZD

A
Cheapest Retailer
-
$4,759 NZD
A
Retailer 2
-
$4,779 NZD
View
A
Retailer 3
-
$5,118 NZD
View
A
Retailer 4
-
$5,195 NZD
View
A
Retailer 5
-
$5,323 NZD
View
Final sale: no returns
A
Retailer 6
-
$5,453 NZD
View
A
Retailer 7
-
$5,816 NZD
View
A
Retailer 8
-
$5,935 NZD
View
A
Retailer 9
-
$6,039 NZD
View
Retailer 10
-
$6,220 NZD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$6,261 NZD
View
B+
Retailer 12
-
$6,692 NZD
View
B+
Retailer 13
-
$7,412 NZD
View
B
Retailer 14
-
$9,887 NZD
View
Most Expensive
B
MOH London
A0FA91C9F · Nov 2
$10,648 NZD
£4,648 GBP
View
14 more retailers have this diamond
Prices start from $4,759 NZDSave up to $5,890 NZD

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
$4,759 NZD