Kim Kardashian buys necklace worn by Princess Diana

Attallah Cross necklace at Auction a favored by Prince Diana.

Kim Kardashian has a global auction house that coordinated the significant purchase.

Attallah Cross necklace sold for nearly $200.000 at action Wednesday.

Kim Kardashian has bought a bold cross necklace once favored by Princess Diana.

Attallah Cross necklace a amethyst and diamond pendant was made in 1920s.

Naim Attallah a former group chief executive of luxury jewelry company Asprey and Garrard owned 1980s.

Attallah Cross necklace its diamonds are about 5.25 carats and overall.

A Statement piece measures approximately 5.3 inches by 3.7 inches.