E-commerce software publisher Infopia revealed Monday that a Los Angeles-based retailer of gems, jewelry and other valuables has chosen Infopia's eCommerce platform to power its online service. The financial impact of the deal was not disclosed. Infopia said the new client, Hill Street Jewelers, is currently the single largest jewelry seller on eBay Live Auctions. Hill Street, Infopia explained, will use Infopia's e-commerce tool to funnel all of its online selling channels into a single site: the World Jewelry Outlet. Infopia is headquartered in Salt Lake City, Utah.