Diamond Dragon

This doesn't exist in Minecraft; it's just fiction

Diamond Dragons or Torquoise Dragons are Dragons that are found in Icengard flying around the Mountains. They Cannot destroy Diamond Blocks nor Possible Stones, They are large and tend to be Neutral, tameable and breedable.

Tactics
It is easily angered by the thing Gold Dragons does. They snarl and roar often and screech when hurt. They can enter Calfloward, Leethers and Possible World, thus making it possible to have a Diamond Dragon in the Overworld. Similarly to all Diamond Golems, they are very strong and it is stronger than Diamond Golems. They are the rival or Golden Dragons and when they duel, the Diamond Dragon tends to kill it. When dead they drop 4 Diamond Blocks.

Taming and Breeding
It is the same as for Golden Dragons but with 3 Diamonds. They can be saddled too. To breed them, you need Golden Apples. The Female will then Lay a Cyan Dragon Egg.