Upgrade your whiskey on the rocks with extra large ice cubes in the shape of dazzling diamonds. This food-safe, dishwasher-safe silicone ice tray makes 4 perfect diamond ice cubes so you can have specialty ice in your own home. Use for cocktails or liquor on the rocks to enhance the visual appeal of your drinks and enjoy the slower dilution from these extra large ice cubes. Dishwasher-safe, food-safe silicone mold. Makes 4 diamond ice cubes.