China's Chen Ruolin performs a dive during the women's 10m platform semi-final at the London 2012 Olympic Games at the Aquatics Centre August 9, 2012.[Photo/Agencies]

Chen Ruolin has won her second gold at the London Games and retained her Olympic women's 10m platform diving title.

The 19-year-old world champion from Jiangsu province scored 422.30 after five dives at the London Aquatics Centre, giving team China their 37th gold of the competition.