Welcome to Andrea Riso’s “crazy store” Opening a fine jewelry store that didn’t feel like a fine jewelry store was Andrea Riso’s lifelong dream. The retailer/gemologist, who opened Talisman Collection in El Dorado Hills, Calif., late last year, has been enamored of gems since childhood, but didn’t want to spend her days in a formal-feeling shop. And Talisman is anything but. The 3,000-square-foot loft is full of all manner of eccentric details: a digitally printed river with koi fish and piranha along the floor; a massive blue blown-glass “sky” piece by Dale Chihuly on the ceiling; an iPad station with beanbag chairs for kids; and a man cave featuring men’s ­jewelry, electric guitars, and a flat-screen TV. The sections break down to create a performance space for live music. “If I could build my own crazy living room, I think this would be it,” says Riso. Except, o