Here is the full list of all 20 Bejeweled Live + achievements worth 200 gamerscore.
Get the Monarch bronze achievement
Get the Bonanza bronze achievement
Get the High voltage bronze achievement
Get the Final frenzy bronze achievement
Get the Mine Bronze achievement
Get the Superstar achievement
Get the Blaster achievement
Get the Chain reaction achievement
Get the Levelord achievement
Get the Bejeweled Gold achievement
Score 750 000 points in Diamond Mine mode
Collect 8 artifacts in Diamond Mine mode
Collect 15 artifacts in Diamond Mine mode
Score over 60 000 points during a Last Hurrah in Lightning mode
Score 750 000 points in Lightning mode
Score 750 000 points in Butterflies
Collect 10 butterflies in one move in Butterfly
Clear 400 hypercubes
Clear 400 star gems
Finish 3 games in a row over 250 000 points