The new Diamond Temple increases the odds of breeding a Diamond Dragon as well as ANY Diamond hybrid. Hopefully that clarifies things a bit.
Originally Posted by kooky panda
I did get confirmation:
The boost is for Diamond & hybrids on the main island. The boost doesn't apply to the Arctic Isles. This is because the Diamond Temple can only be placed on the home island.
Thanks!
The info says 6x chance in breeding diamond dragons....