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Cushion|Natural|GIA

0.90ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 6542390507

Certificate GIA 6542390507

Diamond specifications and retailer prices

From $759 AUD
$533 USD
As of October 31, 2026
Save $1,320 AUD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,078 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-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 6542390507. Listed at 6 retailers as of October 31, 2026, with prices from $759 to $2,078, a $1,320 spread on the same certified stone. Do Amore Diamonds lists it at $2,078. 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

0.90
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542390507
Dimensions5.45 × 5.27 × 3.56 mm
L/W Ratio1.03
Top View
5.45 mm5.27 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542390507
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,078 AUD|Low: $702 AUD|High: $2,363 AUD|Avg: $1,140 AUD|-12.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$759 AUD
Retailer 6$831 AUD
Retailer 3$921 AUD
Retailer 4$934 AUD
Retailer 2$1,029 AUD
Do Amore Diamonds$2,078 AUD

40 data points across 6 retailers

6 retailers$759 AUD to $2,078 AUD

A
Cheapest Retailer
-
$759 AUD
$533 USD
Final sale: no returns
A
Retailer 2
-
$831 AUD
MYR 2,379 MYR
View
A
Retailer 3
-
$921 AUD
$647 USD
View
A
Retailer 4
-
$934 AUD
SGD 887 SGD
View
A
Retailer 5
-
$1,029 AUD
£569 GBP
View
Most Expensive
B+
Do Amore Diamonds
12-100767563754 · Oct 31
$2,078 AUD
$1,460 USD
View
5 more retailers have this diamond
Prices start from $759 AUDSave up to $1,320 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
0.90ct Cushion
$759 AUD