Add some food coloring and you'll have some faux precious stones to keep your drinks nice and cold.
Implications - You could have bowls of ice rubies, sapphires and emeralds lying around during your next party. If you were planning a pirate-themed party, the jewel-shaped ice would be the much sought-after loot. Summer barbecues will never be the same, and will seem all the more glamorous. It's a simple way to add a little fun to your beverages.