Hello Glorial988,
Happy new year to you and your family. Yes, we can help you to build jewelry selling website.
Do you want a multi-seller system or only admin will upload the products to the site?
We have very good experience in website designing and development using WordPress, PHP, CodeIgniter, CakePHP, MySQL, Ajax, HTML5, CSS3, Bootstrap, jQuery, JavaScript etc...
Let's discuss more details...
Regards
Esha