Black Diamond

Black Diamond is one of the main villains from Sky Pretty Cure ~Rainbow Star~. Black Diamond is the main villian of this season. She was created by Princess Break, after her "family" got defeated by Pretty Cure.

Relationships
Ruriri -

Etymology
Black (ブラック) - Black is the very darkest color owing to the absence of or complete absorption of light; the opposite of white.

Diamond (ダイヤモンド) - From the English word diamond for the clear colourless precious stone, the birthstone of April. It is derived from Late Latin diamas, from Latin adamas, which is of Greek origin meaning "invincible, untamed".

Trivia

 * Princess Break may be gave her the name Diamond because of Shirosora Diamond, who fell in love with Low and took him to her side.