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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 €477 EUR
$533 USD
As of October 31, 2026
Save €830 EUR (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,307 EUR 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 €477 to €1,307, a €830 spread on the same certified stone. Do Amore Diamonds lists it at €1,307. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €1,307 EUR|Low: €441 EUR|High: €1,486 EUR|Avg: €716 EUR|-12.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5€477 EUR
Retailer 6€523 EUR
Retailer 3€579 EUR
Retailer 4€588 EUR
Retailer 2€647 EUR
Do Amore Diamonds€1,307 EUR

40 data points across 6 retailers

6 retailers€477 EUR to €1,307 EUR

A
Cheapest Retailer
-
€477 EUR
$533 USD
Final sale: no returns
A
Retailer 2
-
€523 EUR
MYR 2,379 MYR
View
A
Retailer 3
-
€579 EUR
$647 USD
View
A
Retailer 4
-
€588 EUR
SGD 887 SGD
View
A
Retailer 5
-
€647 EUR
£569 GBP
View
Most Expensive
B+
Do Amore Diamonds
12-100767563754 · Oct 31
€1,307 EUR
$1,460 USD
View
5 more retailers have this diamond
Prices start from €477 EURSave up to €830 EUR

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
€477 EUR