Help to find the game

looks like Tetris , but fall one on top of all sorts of diamonds and crystals collected if the 5 points are in the millions, in more difficult level increases the speed and drops a black stone , which when accumulation over him the other turns into a diamond. this game is on a red background, played it year in 2003-2005 , searched and did not find it, was on the computer in the office folder short of the game