The series was first announced in the January 2012 issue of Shogakukan's Pucchigumi magazine. It aired from April 7, 2012 until March 30, 2013 on TV Tokyo and TV Osaka.
In the legends of Jewel Land, the Jewelpets were born from the love and care of their queen, Jewelina. However, a strange meteor crashed into the Mirror Ball, shattering it in a million pieces and its fragments, called Deco Stones, were scattered across Jewel Land. As a result, the sorrowful Jewelina turned into stone.
In the present time, Ruby, owner of the Kira Kira Shop, leads a normal life in Jewel Town along with her friends: the rich Garnet, bookstore owner Sapphie and cops Angela and Labra. Ruby has a thing for sparkly decoration and loves to collect anything that sparkles and shines.
When Ruby and the others learn about the legend of the Mirror Ball and the Deco Stones, they all decide to go and search for them. While they are searching, a meteor suddenly crashes and from it appear the KiraDeco 5, a group of humans who came from Earth in search of the Deco Stones in order to save their world from the Eternal Darkness. After some misunderstandings, the KiraDeco 5 and the Jewelpets befriend each other and decide to search for the Deco Stones together.
- Main article: Jewelpet Kira☆Deco!/Episode List
Jewelpet Kira☆Deco! had its first airing outside Japan in Hong Kong, China on TVB Jade on July 3, 2013, nearly three months after the series ended in its home country.
In Portugal, it premiered on Canal Panda in January 2, 2014; however, only the first 25 episodes aired during that year, and the second part of the show premiered in January 1, 2015. This season ended its run in Portugal in June 30, 2015, being replaced by Jewelpet Happiness the next day.
It was also broadcast in South Korea on both Jei TV, Daekyo Kids TV and Cartoon Network during 2014.
- All episodes names have the word Deko! (デコ～！?) in the end of its title.
- Known as Jewelpet Sparkling Deco outside of Japan.
- This season is broadcasted in Spain though Jewelpet Sunshine remained unpublished.