Designed by De Beers, this diamond Barbie comes clad in a gown flaunting 160 diamonds complemented by a white gold miniature jewelry labeling it world’s most expensive Barbie doll. This Barbie was produced to mark the 40th anniversary in 1999 comes and was retailed at $85,000. Whilst if you think it is a too expensive deal to be done then you can eye 1959 Barbie No. 1 carrying a price tag of $8000.