Diamonds are a girls best friend. Will you also recognize many of the other precious earthly riches? Play Know your Jewels and find out about the many gems and jewels the earth possesses.rnWhen the game is loaded press start. At this point the question is given and you need to answer them correctly by selecting the correct multiple choice answer as fast as possible. If you answer incorrectly you earn less points for this question untill their are no answers left. Play on luzgames.com and the more points you score the better you rank in the highscore list.