The auction is Dec 9. The sale of 33 jewels from Evelyn Lauder will support the Breast Cancer Research Foundation, which she founded.
Eleven pieces from the collection of Estee Lauder will benefit the Alzheimer's Drug Discovery Foundation.
Among the highlights is a ruby, emerald and diamond Cartier Tutti Frutti bracelet estimated at USD 750,000 to USD one million. Other designers include Van Cleef & Arpels and David Webb.
Estee Lauder died in 2004. She's the founder of the Estee Lauder fragrance and skincare products company. Her daughter-in-law Evelyn Lauder died in 2011.