For the plated jewelry, I worry the color will fade off naturally.

We have a rigorous quality control process to ensure the quality of all of our jewelry. The plating will not fade off if you take care of your jewelry. You can visit below page to learn more:

Jewelry Care (jeulia.com)

Jewelry Care (jeulia.co.uk)

In the rare event that something is wrong with your jewelry, please contact our customer service immediately so that we can help you to solve your problem. If a problem should arise and is within the time limit of your warranty, we will assist you to replace your jewelry.

For detailed information please visit: 

Jeulia.com

30-day return policy  and one year warranty 

Jeulia.co.uk

30-day return policy  and one year warranty