A pair of South Sea cultured pearl and diamond earrings, Buccellati. © 2002-2010 Bonhams 1793 Ltd

each designed as a floral surmount detailed with round brilliant-cut diamonds suspending a drop-shaped cultured pearl measuring approximately 14.0 x 12.5mm; signed Buccellati, with signed fitted gray leather box; estimated total diamond weight: 2.00 carats; mounted in eighteen karat gold - Estimate: $5,000 - 7,000

An opal, sapphire and ruby ring, Buccellati. © 2002-2010 Bonhams 1793 Ltd

centering a black opal accentuated by a bezel of alternating circular-cut rubies and sapphires in a broad textured gold mount; signed Buccellati, with signed box; mounted in eighteen karat gold; size 5 1/2 - Estimate: $4,000 - 6,000

A pair of eighteen karat gold earclips, Buccellati. © 2002-2010 Bonhams 1793 Ltd

each of textured, leaf motif; one earclip signed Buccellati; gross weight approximately: 21.2 grams (clips later) - Estimate: $1,200 - 1,800

Bonhams. Fine Jewelry, 19 Oct 2010. New York, Los Angeles and San Francisco www.bonhams.com