Here's a tip about how to build trust, in general.

Teach people how to make your jewelry.

Use other people's homes + have them invite their friends. The traction you'll get from people talking about your product, after meeting you face to face, is worth it's weight in gold.

This is how I bootstrap all my online businesses + anytime I'd like to create a large revenue boost, I go through this process again.

https://Meetup.com is a great place to find existing groups you can network with, to give you an even faster start.