Gems are a type of cargo that can be bought on the islands. The prices vary on different islands.
Note that Gems are sold for the lowest price at Philippines and the highest price at Labrador
Gems are sold for 400 at Barbados, 375 at Brazil, 525 at Cuba, 170 at Guinea, 375 at Jamaica, 625 at Labrador, 300 at Malaysia, 55 at Philippines, 210 at Spain, and 475 at Taiwan
Cargo space: 20