NEW YORK, N.Y. - A heart-shaped yellow diamond that once belonged to the Duchess of Windsor is among a trove of jewels that will be auctioned in New York City.
The 35 pieces come from the collections of Estee and Evelyn Lauder.
They will be offered Dec. 5 at Sotheby's. They're estimated to bring $13 million.
The proceeds will benefit The Breast Cancer Research Foundation. It was created in 1993 by Evelyn Lauder.
Her mother-in-law, Estee Lauder, founded the famous skincare company.
The 47.14-carat Fancy Intense yellow diamond is estimated to bring up to $2 million.
It was worn by the Duchess of Windsor as a ring. It was refashioned as a pendant necklace for Estee Lauder in 1978.