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Cushion|Natural|GIA

1.50ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6237865413

Certificate GIA 6237865413

Diamond specifications and retailer prices

From $6,392 AUD
As of November 6, 2026
Save $6,042 AUD (49%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,434 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 6237865413. Listed at 18 retailers as of November 4, 2026, with prices from $6,392 to $12,434, a $6,042 spread on the same certified stone. MOH London lists it at $12,434. 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
Pavilion angle37.96°
OriginNatural
Grading LabGIA
CertificateGIA 6237865413
Dimensions7.84 × 6.04 × 4.15 mm
L/W Ratio1.30
Top View
7.84 mm6.04 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237865413
Side View
Table 63.0%CrownGirdle: MED-THKPavilion 37.96°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,434 AUD|Low: $5,897 AUD|High: $12,617 AUD|Avg: $8,198 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
November 6, 2026
Retailer 10$6,392 AUD
Retailer 3$6,769 AUD
Retailer 8$7,076 AUD
Retailer 11$7,188 AUD
Retailer 7$7,666 AUD
Retailer 9$8,044 AUD
Retailer 12$8,079 AUD
Retailer 6$8,174 AUD
Retailer 2$8,357 AUD
Retailer 5$9,013 AUD
Retailer 4$9,335 AUD
MOH London$12,434 AUD

42 data points across 12 retailers

18 retailers$6,392 AUD to $12,434 AUD

B+
Cheapest Retailer
-
$6,392 AUD
B
Retailer 2
-
$6,610 AUD
View
B
Retailer 3
-
$6,685 AUD
View
B
Retailer 4
-
$6,769 AUD
View
B+
Retailer 5
-
$7,076 AUD
View
Final sale: no returns
B
Retailer 6
-
$7,136 AUD
View
B
Retailer 7
-
$7,188 AUD
View
Retailer 8
-
$7,666 AUD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$8,044 AUD
View
B
Retailer 10
-
$8,079 AUD
View
B
Retailer 11
-
$8,174 AUD
View
Retailer 12
-
$8,357 AUD
View
B
Retailer 13
-
$8,572 AUD
View
B
Retailer 14
-
$8,572 AUD
View
B
Retailer 15
-
$8,863 AUD
View
B
Retailer 16
-
$9,013 AUD
View
Retailer 17
-
$9,335 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
8F3C8F57F · Nov 4
$12,434 AUD
£6,727 GBP
View
17 more retailers have this diamond
Prices start from $6,392 AUDSave up to $6,042 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.

B+
1.50ct Cushion
$6,392 AUD