Your store design doesn't stand out from the rest and just looks boring. If you're selling "fine" jewelry, the website design needs to show that same quality. You need to create an identity for your business first then apply it to all your marketing materials. Read the following articles to see what I'm talking about:
What is your Business Image Worth?
Let a Professional Design your Business Logo
Create a call to action on your homepage. When people enter your homepage you need to tell them what to do. Present an offer, promote a section or an item, just give people a direction and a way into the inner pages of your site.
To help with SEO write more in your descriptions. Search engines love text, give it to them!
Your Free Shipping gets lots with all the other text, make it more prominent and keep it on all your pages.
Connect your blog to your site! All the text that your writing on Blogger doesn't do your website any good. Your blog needs to be on your domain to get the benefits of SEO. See this Quick Tip: Use a Custom Domain Name for Your Blog
Same design problems go for your blog, there's nothing about it that visually says that it's a fashion blog.
Having your store link at the very button of the blog doesn't do you any good either.
You're writing about fashion on your blog, show some images. See this article about Adding Images to Your Website