According to a report in the New York Times, a pound of ivory is selling for $1,300 in China as of March 2013.
The value of the ivory is higher than the $900 per pound reported in October 2012. In 2011, a pound of ivory was selling for $270.
(More illegal wildlife trade prices.)
Source:  Dan Levin, “From Elephants’ Mouths, an Illicit Trail to China,” New York Times, March 1, 2013.