In Naples, “Marissa” is like Madonna, Beyoncé, Adele. Say the name, and everyone knows you’re referring to the fashion matriarch of Southwest Florida, whose boutique Marissa Collections is synonymous with the area’s most-sought-after designer clothing, shoes, handbags, and ­jewelry. Like the rest of the store, the new 1,400-square-foot Jewelry Gallery is a study in ultimate luxury. Nestled between a shoe salon well stocked with the likes of Lanvin and a sumptuous space dedicated to Italian master of cashmere Brunello Cucinelli, the Gallery shines like a jewel itself, a well-designed space with a carefully selected inventory of baubles that are both striking and wearable.Like Mother, Like SonThe Marissa Collections enterprise is a true family affair. What was started by namesake Marissa Hartington in 1975 with a hand-picked selection of clothing and accessories has since blossom