The great thing about decorative plates is that they don’t have to disappear into storage once dinner is over. Hang a few on a display wall , prop one up alongside your favorite cookbooks , or work it into a shelf vignette. So what makes one worth showing off? It’s the details that spark curiosity: A scalloped edge, an unexpected color combination, or a hand-painted pattern can be enough to make you look twice. “Any plate with a fun decorative motif, bright colors, or an interesting shape makes it more than just simply functional,” says Olympia Irving of Carolina Irving and Daughters .

Of course, good looks are only part of the appeal. The most memorable pieces often have a story to tell, whether it's a vintage find or a handmade design with charming, artisanal characteristics. Even the finish can make a statement.…