Mabel Boll

Mabel Boll (December 1, 1893 – April 11, 1949) was an American socialite. In 1927 she planned, with Charles A. Levine, to be the first woman to fly across the Atlantic Ocean as a passenger. She was known as the "Queen of Diamonds" as the owner of the 46.57-carat emerald-cut Mabel Boll diamond.
Biography.
Boll was born on December 1, 1893 in Rochester, New York. 
In 1927, Boll planned, with Charles A. Levine, to be the first woman to fly across the Atlantic Ocean as a passenger.
Boll died of a stroke at the Manhattan State Hospital, the psychiatric hospital on Wards Island on April 11, 1949 at the age of 55.