Two-Color Gold and Diamond Bangle Bracelet, Mario Buccellati. Photo: Courtesy Doyle New York 

18 kt., the openwork bangle centering a continuous vine of leaves set with 50 round diamonds approximately 3.00 cts, edged by textured gold, signed M. Buccellati, Italy, approximately 28.7 dwt. Inner circle 6 1/2 inches. Estimate $15,000-20,000

Gold, Ivory and Turquoise Cuff Bangle Bracelet, Mario Buccellati. Photo: Courtesy Doyle New York 

18 kt., the wide hinged ivory cuff centering one oval cabochon turquoise approximately 13.2 x 9.6 mm., within a textured gold frame, surmounted throughout by textured gold fancy-shaped plaques, signed M. Buccellati. Inner circle 6 1/4 inches. Estimate $3,000-5,000

Property of a New York Estate

Two-Color Gold and Diamond Band Ring, Mario Buccellati. Photo: Courtesy Doyle New York 

18 kt., the tapered textured gold band centering one round diamond within a stylized textured white gold flower, encircled and flanked by engraved gold flowers, signed M. Buccellati, approximately 6.4 dwt. Size 7. Estimate $3,000-4,000

Two Gold Leaf Band Rings, Buccellati.  Photo: Courtesy Doyle New York 

18 kt., signed Mario Buccellati & Federico Buccellati, ap. 7 dwt. Sizes 6 & 7. Estimate $1,500-2,000

Gold and Seed Pearl Leaf Clip-Brooch, Mario Buccellati. Photo: Courtesy Doyle New York 

18 kt., signed M. Buccellati, Italy, ap. 5 dwt. Estimate $800-1,000

Estate of Friedl Summerer

Doyle New York. Important Estate Jewelry - Wednesday, September 29 at 10am www.doylenewyork.com