Mining Jewels Display

 is a limited-time decoration released with the Cinderella Update on 29th July 2016. It could be found in a Gold Enchanted Chest.

Trivia

 * was removed from the Enchanted Chests, giving it limited time status, with the Halloween Event Update on 12th October 2016.
 * returned to the Enchanted Chests with the Hotfix Update on 7th November 2016.
 * was again removed from the Enchanted Chests, giving it limited-time status, with the Earth Day, Easter Update on 12th April 2017.