Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2564191870

Certificate GIA 2564191870

Diamond specifications and retailer prices

From $3,180 AUD
As of November 6, 2026
Save $3,910 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,090 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 2564191870. Listed at 15 retailers as of November 4, 2026, with prices from $3,180 to $7,090, a $3,910 spread on the same certified stone. MOH London lists it at $7,090. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2564191870
Dimensions7.56 × 5.86 × 4.09 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.56 mm5.86 mm1.50 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2564191870
Side View
Table 55.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 69.8%

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 6
Current: $7,090 AUD|Low: $3,180 AUD|High: $7,109 AUD|Avg: $4,167 AUD|-0.3%
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 8$3,180 AUD
Retailer 13$3,477 AUD
Retailer 14$3,537 AUD
Retailer 4$3,665 AUD
Retailer 3$3,919 AUD
Retailer 2$3,924 AUD
Retailer 5$3,935 AUD
Retailer 9$4,180 AUD
Retailer 6$4,251 AUD
Retailer 7$4,308 AUD
Retailer 12$4,445 AUD
Retailer 11$4,472 AUD
Retailer 10$4,947 AUD
MOH London$7,090 AUD

16 data points across 14 retailers

15 retailers$3,180 AUD to $7,090 AUD

A
Cheapest Retailer
-
$3,180 AUD
A
Retailer 2
-
$3,477 AUD
View
A
Retailer 3
-
$3,537 AUD
View
A
Retailer 4
-
$3,665 AUD
View
A
Retailer 5
-
$3,919 AUD
View
A
Retailer 6
-
$3,924 AUD
View
Final sale: no returns
A
Retailer 7
-
$3,935 AUD
View
A
Retailer 8
-
$4,180 AUD
View
Retailer 9
-
$4,251 AUD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$4,308 AUD
View
A
Retailer 11
-
$4,445 AUD
View
B+
Retailer 12
-
$4,456 AUD
View
A
Retailer 13
-
$4,472 AUD
View
B+
Retailer 14
-
$4,947 AUD
View
Most Expensive
B
MOH London
45E25AD33 · Nov 4
$7,090 AUD
£3,836 GBP
View
14 more retailers have this diamond
Prices start from $3,180 AUDSave up to $3,910 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
$3,180 AUD