If you love playing Monopoly this one will win your attention for sure. This version of your favorite game is worth about $2 million and is made of 18 carat gold and is encrusted with jewels. It has been designed by Sidney Mobell, a jewelry designer of San Francisco. It took him a full year to finish making this expensive game. The dice sets alone is worth $10,000 as the numbered dots are made out of full-cut 42 diamonds. The properties of this board game are set in gems, and in totality 165 gemstones have been used. This amazing piece was donated in 2003 to the Smithsonian Museum.