A year after Kylie Kwong closed Billy Kwong, the Macleay Street site finally has an incoming restaurant tenant.

A new restaurant, to be named Diana, will open in the Potts Point digs in November, with a menu with a Korean-Chinese pitch.

Its owner also falls outside the usual suspects for high-profile Sydney restaurant launches.

Whispers on the streets of regional food and wine hub Orange that one of their own is taking a punt on the big smoke led to restaurateur Sammy Jeon, who owns a stable of restaurants in central-west NSW.

"It'll be Korean-Chinese, similar to [his Orange eatery] Mr Lim, but with a different name," Jeon says.

Diana is a nod to Jeon's mentor Diana Shaw, the matriarch of the high-profile Orange wine family.

The site of Jeon's Sydney foray is serendipitous for the restaurateur, who is an unabashed fan of Kylie Kwong.

It's also good news for a suburb that has lost Korean-leaning restaurants Paper Bird and Kim.