Jewelry, Eyewear and Watch Design Cyan Bird Brooch and Pendant by Xiaojie Hu Cloisonne is an intangible cultural heritage. It has been introduced into China since the Yuan Dynasty and has a history of more than 600 years. Due to its exquisite production, complex technology, few production and high price, it has always been only used by court nobles. Birds made of cloisonne are colorful, beautiful and lively; The hollow window made of 18K gold has complex structure but light weight, with oriental characteristics. The inlaid diamonds glitter in the sun, making the whole work look very beautiful.