The third-ranked Pole -- who cruised through the tournament without dropping a set -- sealed her second title in Beijing with an ace for a 6-4, 6-2 win.
The victory was Radwanska's 20th career crown but there was more on the line for Konta, 25, who was making a bid in the Chinese capital for what would have been her second and biggest title.
Despite the loss, by reaching the Beijing final Konta has amassed enough points to break into the top 10 -- the first British woman to do so since Jo Durie in 1984.
Konta claimed two top 10 scalps en route to the final, sixth-ranked Karoline Pliskova and number eight Madison Keys, but she was kept on the defensive on Sunday.
The Briton, usually a solid baseliner, repeatedly pushed to the net as she tried to shift the match momentum in her favour, but it was a risky strategy that cost her 29 unforced errors.
"Against a player like Agnieszka, who is basically a human wall, you definitely do try to look to get the upper hand in any way possible. I felt I was going to try on that avenue," Konta told reporters after the match.
But the Pole -- nicknamed 'The Magician' for her ability to conjure up shots -- shot a forehand down the line to save her service game.
"Whenever I felt I could have got a little bit of a foothold in the match, she took it away from me," Konta said.
- 'Perfect timing' -
====================
Konta held her next service game with a forehand dropshot which Radwanska redirected wide.
But the world number three then served for the title, firing her only ace of the match straight down the line for her third Premier Mandatory title, one rung down from a Grand Slam.
"I was thinking about that serve, where I should go. I just changed my mind when I was tossing the ball. So another good choice."
It was the second time the pair have met after Radwanska beat the Briton in a two-hour, three-set battle in Cincinnati in August.
They may meet again in Singapore at the end of the month for the WTA Finals.
Radwanska has already qualified for the eight-player season finale, which follows a round-robin format, while the Briton is still chasing points to guarantee her maiden appearance at the elite event.
The Briton is playing in Hong Kong next week, hoping to rack up enough qualification points.
Disclaimer: No Business Standard Journalist was involved in creation of this content
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