How Gemvara Is Changing the Way Fine Jewelry Is Bought Online Gemvara is a Boston-based startup that specializes in high-end, customizable jewelry. Shoppers can browse a catalog of more than 1,500 original designs and mix and match from 26 different kinds of gemstones and eight precious metals to create an arguably unique, made-to-order piece. The one-year-old company announced this week it has ra