Chaohongji Doraemon is made of 2342 diamonds, 86 1 ruby, 4074 sapphires and 394.43g 18K platinum, which cost 8 million yuan and took 8 months to make by hand. With the opportunity of the 0/00th anniversary of Doraemon's birth/KLOC-0, the world's most expensive Doraemon, created by the global authorized jeweler CHJJEWELLERY, appeared at the birthday party of the creative exhibition in Harbour City on September 3rd, 20 12, which brought great surprises and visual shocks to the guests present. It is reported that the most expensive Doraemon in the world is made of 2,342 diamonds, 86 1 ruby, 4,074 sapphires and 394.43g 18K platinum. It took 8 months to create it by hand, with a market value of about 9.6 million Hong Kong dollars (about 8 million people).