Specialist

Nan Summerfield

Senior Vice President / Director, California Operations

Nan Summerfield joined Doyle New York as Director of the California office in Beverly Hills in 2014. Ms. Summerfield, a GIA Graduate Gemologist, has been in the appraisal and auction business for forty-two years.

Nan began her career at the Gemological Institute of America in New York as a Staff Gemologist in the GIA Laboratory and later as an Instructor in the Education Division, before spending thirteen years as a Vice President in the Jewelry Department at Sotheby’s, first in New York, then in Los Angeles. Nan continued to develop and direct Sotheby’s jewelry auctions in Beverly Hills for eight years. For twenty years before joining Doyle, she owned Summerfield’s, a successful firm in Beverly Hills that specialized in buying and selling estate jewelry. 

Current & Upcoming Auctions

 

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featured stories

A Life Well-Travelled

A Life Well-Travelled

Bruce McKee shares reflections on fellow TASIS alumnus Donald D. MacDermid and his remarkable collection.

 
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The Estate of Renee Meyers

The Estate of Renee Meyers

Doyle is honored to auction jewelry from the Estate of Renee Meyers as a feature of the Important Jewelry sale on June 22.

 
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The Estate of Joan Reynolds Linclau

The Estate of Joan Reynolds Linclau

Doyle is honored to auction jewelry from the Estate of Joan Reynolds Linclau in select upcoming auctions.

 
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Ryan McGinness: A West Coast Selling Exhibition

Ryan McGinness: A West Coast Selling Exhibition

Doyle is pleased to present a selling exhibition of select works by New York artist Ryan McGinness at our Beverly Hills gallery on February 14 through March 15.

 
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A Rare Patek Philippe Reference 1518 Chronograph

A Rare Patek Philippe Reference 1518 Chronograph

Celebrity watch appraiser Kevin Zavian examines a rare and important Patek Philippe Reference 1518 Chronograph, circa 1950

 
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Doyle Opens New Gallery in Beverly Hills!

Doyle Opens New Gallery in Beverly Hills!

Doyle is pleased to announce the Grand Opening of our new gallery on "auction row" in Beverly Hills!

 
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The House of Marchak

The House of Marchak

Specialist Martha Garcia chronicles the fascinating history of the acclaimed jewelry firm established by Joseph Marchak in 1878.

 
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Jean Schlumberger: The Jeweler's Eye

Jean Schlumberger: The Jeweler's Eye

Specialist Katherine Van Dell profiles Jean Schlumberger, the jeweler whose name is synonymous with Tiffany & Co.'s bold and innovative 20th century designs.

 
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