This Indy jewelry store–slash–speakeasy masters the seductive vibeNick Blum BlumLux  Indianapolis blumlux.com facebook.com/blumlux pinterest.com/blumlux The first time Nick Blum walked into the building he recently bought to relocate his fine jewelry store, BlumLux, he recalls thinking, Man, I could really make an investment with this one. The roughly 14,000-square-foot, four-story building in downtown Indianapolis—home to four retail spaces and a number of residential units—was definitely more store than Blum had bargained for. But after doing business for two years in a less bustling part of town, the retailer was determined to move to a central location—and to own a space with room to grow. “The business was really outgrowing the store,” recalls Blum, who opened BlumLux in 2013 while he was still in his 20s. The warehouse space would also prove to be