A round table that matches the top material of the hutch would fit.

Is the hutch invading the table area? Can't tell from these pictues. Pretty floral roman shades with a round tulip table could be beautiful. Glass top would give a visual of an airy space. Pretty intricate chandy to top it off.

We think a round table would work well, you could easily add some patterned Roman shades, and a different chandelier depending on the style you're going for. Here is a dining room table we used in a recent design of ours:

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