Faina & Edward Shapiro  Diamond Dream Jewelry & Apparel  Bernardsville, N.J. diamonddreamjewelers.com facebook.com/diamonddreamfinejewelers Instagram: @diamonddreamjewelers   When husband-and-wife retailers Edward and Faina Shapiro opened an apparel boutique last year, they approached it with the same high standards with which they’ve run Diamond Dream Jewelers, in Bernardsville, N.J., for more than 30 years. “The clothing collections we buy have to have a quality; they have to have style and not be overdistributed,” says self-described fashion lover Faina. The couple opened the 2,500-square-foot boutique above the ground-floor jewelry store in October, but have been researching the concept for years—studying consumer behavior and intelligent store design. “We’re still figuring it out,” concedes Edward, “but the response from custome