** Shares of Lucapa Diamond fall as much as 16.7% to an all-time low of A$0.020
** Diamond miner says it will raise up to A$1.5 mln ($956,250.00) via a share purchase plan at A$0.02 per share
** Issue price represents a 16.7% discount to co's last close
** About 1.7 mln shares change hands, compared with the 30-day average volume of around 486,000
** Stock down 88.7% YTD, including session's moves
($1 = 1.5686 Australian dollars)
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com))