Buccellati, An Emerald, Diamond and Gold Ring. photo courtesy Phillips de Pury & Company

Designed as a pierced openwork foliate band, accented by single cut diamonds, centering upon a rectangular-cut emerald, with engraved gold borders and bezel, mounted in 18K yellow gold and silver, size 5 3/4.   Signed 'Buccellati, Italy', with a blue leather Buccellati box. ESTIMATE $12,000-15,000

Buccellati, A Sapphire and Diamond Ring , 1950s. photo courtesy Phillips de Pury & Company

Set with an oval-cut sapphire, within a circular-cut diamond surround, with engraved foliate gallery and shoulders, mounted in platinum, size 5 1/2.   Signed 'Buccellati' - ESTIMATE $10,000-15,000

Buccellati, A Sapphire, Diamond and Gold Ring. photo courtesy Phillips de Pury & Company

Designed as a pierced openwork foliate band, accented by single cut diamonds, centering upon an oval-cut sapphire, with engraved gold borders and bezel, mounted in 18K yellow and white gold, size 5 1/2.   Signed 'Buccellati, Italy', with a blue leather Buccellati box - ESTIMATE $4,500-6,000

Buccellati, A Gold and Diamond Ring. photo courtesy Phillips de Pury & Company

Designed as a braided openwork matte gold band, accented by circular-cut diamonds, mounted in 18K yellow gold and white gold, size 5 3/4.   Signed 'Buccellati' - ESTIMATE $4,500-6,000

Buccellati, A Pair of Gold and Diamond Earclips. photo courtesy Phillips de Pury & Company

Each designed as a textured gold leaf, accented by circular-cut diamonds, mounted in 18K yellow gold and platinum, length 1 inch.   Signed 'Buccellati, Italy', with a blue leather Buccellati box - ESTIMATE $4,000-5,000

Buccellati, A Pair of Gold 'Hawaii' Ear Pendants. photo courtesy Phillips de Pury & Company

Each designed as a cascade of brushed circular gold links, mounted in 18K yellow gold, length 2 inches.      Signed 'Buccellati, Italy', with a Buccellati box - ESTIMATE $2,000-3,000