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.