| Diamond Domain|
(ダイヤモンド鉱国 Diamond Ore Country)
|Debut:||Diancie and the Cocoon of Destruction|
The Diamond Domain is an anime location which is the main setting to Diancie and the Cocoon of Destruction.
The Diamond Domain is home to many Carbink and their Ruler, Princess Diancie. When the Heart Diamond was almost dead, The Diamonds started to shrivell and breakdown, leaving the thounsands of Carbink in danger.