The CSI300 of the top Shanghai and Shenzhen A-shares closed up 0.1 percent at 2,524.4. The Shanghai Composite Index crawled up 0.4 percent. Both indexes closed at their highest since mid-June. They rose 1.8 and 2 percent respectively this week, when mainaland markets had only two days of trading.
(Read More: Why Hong Kong's Bull Market Will Last)
Hong Kong shares ended their best week in six on a weaker note, as investors took profit on outperformers in the past two days after the U.S. Federal Reserve signalled growing concerns about its stimulative monetary policy.
The Hang Seng Index closed down 0.3 percent for the day, but up 2.9 percent this week at 23,331.1. The China Enterprises Index shed 0.4 percent on Friday, but jumped 4.9 percent this week.
The Fed's asset-purchase program has been among the chief reasons for the swelling inflows into the Chinese territory that have buoyed markets. Fed reticence about further growing its $2.9 trillion balance sheet could limit capital flows, knocking the Hang Seng Index off 19-month highs.
This week's gains were the China Enterprises Index's best in nearly a year. For the Hang Seng, it was the best week since the one that ended November 23.
Chinese non-banking financials were among the biggest drags after leading the surge in the first two trading days of 2013. China Life Insurance fell 1.9 percent from Thursday's 18-month high, while Ping An Insurance dropped 2.1 percent.
Citic Securities, China's largest listed brokerage, which fell 3.8 percent on Thursday, sank another 4.3 percent on Friday.
Gold mining stocks were also weak as gold prices slipped 1 percent. Zijin Mining slipped 2.9 percent in Hong Kong while Zhongjin Gold lost 2.7 percent in Shanghai.
In Southeast Asia, both Singapore's Straits Times Index and Malaysia's KLCI Composite Index traded flat.
India's BSE Index and the 50-share NSE Index ended 0.1 percent higher, both marking their highest closes since January 2011.