These lovely earrings have an original design that infuses any look with class! Beautiful sterling silver and diamonds add a luxurious touch to these simple yet stunning earrings. Mini Portale Earrings with Diamonds. Sterling silver circular filigree Portale design inset with one diamond in each earring. 0.03 carat diamonds set in 18K yellow gold bezels. Sterling silver ear wires with 18K yellow gold accent. 9/16" dia. Lisa Robin's signature jewelry collection, the Portale (por-TAHL-lay) pieces take their name from the Italian word for doorway. This design was inspired by a wrought-iron lintel above a doorway on a quiet street in Florence, home to some of the world's most beautiful art and architecture. The Portale design makes its way into many of Lisa's pieces somehow.