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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6243001897

Certificate GIA 6243001897

Diamond specifications and retailer prices

From $3,534 AUD
As of November 4, 2026
Save $4,240 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,774 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 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 6243001897. Listed at 16 retailers as of November 4, 2026, with prices from $3,534 to $7,774, a $4,240 spread on the same certified stone. MOH London lists it at $7,774. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6243001897
Dimensions7.54 × 5.80 × 3.98 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.54 mm5.80 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6243001897
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.7%

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: $7,774 AUD|Low: $3,483 AUD|High: $8,249 AUD|Avg: $5,080 AUD|-5.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 4$3,534 AUD
Retailer 18$3,540 AUD
Retailer 5$3,726 AUD
Retailer 11$3,793 AUD
Retailer 15$3,842 AUD
Retailer 3$3,898 AUD
Retailer 12$4,107 AUD
Retailer 20$4,324 AUD
Retailer 17$4,541 AUD
Retailer 2$4,583 AUD
Retailer 6$4,701 AUD
Retailer 14$4,794 AUD
Retailer 13$5,426 AUD
Retailer 10$5,794 AUD
Retailer 7$6,142 AUD
Retailer 9$6,142 AUD
Retailer 8$6,346 AUD
Retailer 19$6,622 AUD
Retailer 16$7,342 AUD
MOH London$7,774 AUD

26 data points across 20 retailers

16 retailers$3,534 AUD to $7,774 AUD

A
Cheapest Retailer
-
$3,534 AUD
A
Retailer 2
-
$3,540 AUD
View
A
Retailer 3
-
$3,793 AUD
View
A
Retailer 4
-
$3,842 AUD
View
A
Retailer 5
-
$3,898 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,107 AUD
View
B+
Retailer 7
-
$4,324 AUD
View
B+
Retailer 8
-
$4,541 AUD
View
A
Retailer 9
-
$4,583 AUD
View
Retailer 10
-
$4,701 AUD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$4,775 AUD
View
B+
Retailer 12
-
$4,794 AUD
View
B+
Retailer 13
-
$5,426 AUD
View
B
Retailer 14
-
$6,622 AUD
View
B
Retailer 15
-
$7,342 AUD
View
Most Expensive
B
MOH London
0CB71F7B1 · Nov 4
$7,774 AUD
£4,206 GBP
View
15 more retailers have this diamond
Prices start from $3,534 AUDSave up to $4,240 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
$3,534 AUD