** Shares of Insignia Financial rise 1% to A$4.475, their highest levels since Oct 28

** The Australian wealth manager offered to provide CC Capital access to non-public information to help determine whether the U.S.-based suitor can improve its proposal valuing the firm at A$3.07 bln ($1.90 bln)

** CC Capital made a revised offer on Friday for A$4.60 cash per share for IFL

** Insignia says provision of limited due diligence does not guarantee that the CC Capital proposal will result in a binding offer

** Stock up 25.6% this year, including the day's move

($1 = 1.6134 Australian dollars)

(Reporting by Shivangi Lahiri in Bengaluru)

((shivangi.lahiri@thomsonreuters.com;))