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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 $681 SGD
$533 USD
As of October 31, 2026
Save $1,185 SGD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,866 SGD 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 $681 to $1,866, a $1,185 spread on the same certified stone. Do Amore Diamonds lists it at $1,866. 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: $1,866 SGD|Low: $630 SGD|High: $2,122 SGD|Avg: $1,023 SGD|-12.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$681 SGD
Retailer 6$746 SGD
Retailer 3$827 SGD
Retailer 4$839 SGD
Retailer 2$924 SGD
Do Amore Diamonds$1,866 SGD

40 data points across 6 retailers

6 retailers$681 SGD to $1,866 SGD

A
Cheapest Retailer
-
$681 SGD
$533 USD
Final sale: no returns
A
Retailer 2
-
$746 SGD
MYR 2,379 MYR
View
A
Retailer 3
-
$827 SGD
$647 USD
View
A
Retailer 4
-
$839 SGD
View
A
Retailer 5
-
$924 SGD
£569 GBP
View
Most Expensive
B+
Do Amore Diamonds
12-100767563754 · Oct 31
$1,866 SGD
$1,460 USD
View
5 more retailers have this diamond
Prices start from $681 SGDSave up to $1,185 SGD

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
$681 SGD