Originally published in the September/October 2015 issue of Robb Report Home & Style as “Table Manners”

Christian and Michael Sieger are not color-shy. The brothers—stewards of the eponymous brand founded by their father in 1964—are known equally for their designs and their sartorial moxie. 

Though Sieger’s fashion-accessories collection revels in the full spectrum of the rainbow, the latest pieces from its style-forward porcelain tableware line Sieger by Fürstenber…