Diamonds are the gems that are dropped when Diamond Ore is mined. Diamond is considered one of the most valuable items in the game due to their scarcity and use as a crafting material. They are needed to makeEnchantment Tables and Jukeboxes. They can be compactly stored inblocks of 9, which can easily be converted back to diamonds. Tools made from diamond are the most durable in the game, and are the second most efficient behind Gold. Diamond pickaxes are the only pickaxes that can be used to mine Obsidian.