Or a broker (who is probably already engaged by MED) is buying up to enable yet another CR at 25% discount to VWAP...
however, i hope it is the discovery of some substantial green/blue/pinks as you say, or a very large white in excess of 105 ct which would be on the news across Oz as the (new) largest diamond found in Australia (would be excellent publicity)
MED Price at posting:
0.8¢ Sentiment: Hold Disclosure: Held