A ruby, diamond and cultured pearl necklace, Bulgari.

the collar centering an oval cabochon ruby and central row of cultured pearls, completed by borders of pavé-set round brilliant-cut diamonds; signed Bvlgari, no. 9205; ruby weighing approximately: 21.50 carats; estimated total diamond weight: 23.50 carats; mounted in eighteen karat gold; length: 13 1/5in. Sold for $67,100

Note: Cf. Triossi, Amanda. Between Eternity and History Bvlgari, Skira Editore, 2009, page 221. The lot should be dated circa 1988.

A cultured pearl and diamond necklace, Bulgari

the collar designed as a series of multiple twin-line sections of pavé-set round brilliant-cut diamonds and accentuated by round cultured pearl borders; signed Bvlgari; estimated total diamond weight: 10.70 carats; mounted in eighteen karat gold; length: 15in. Estimate: $25,000 - 35,000 Unsold

Note: Cf. Triossi, Amanda. Between Eternity and History Bvlgari, Skira Editore, 2009, page 227. The lot should be dated circa 1988.

An eighteen karat tricolor gold, cultured pearl and diamond bracelet, Buccellati.

the wide bracelet comprising six openwork tricolor-gold panels, each with cultured pearl, single and round brilliant-cut diamond elongated cluster spacers; signed Buccellati; estimated total diamond weight: 3.50 carats; length: 7in. Sold for $23,180

A South Sea cultured pearl necklace

comprising sixty-nine round and graduated cultured pearls, measuring approximately 14.1 to 11.0mm, in hues of white, brown, green and golden-colored, completed by a diamond-set ball clasp; clasp mounted in fourteen karat gold; length: 37in. (not tested for origin of color) Sold for $11,590

An ivory, cultured pearl and citrine bangle bracelet and earclips, Trianon. photo Bonhams.

the ivory cuff accentuated with intermittent baroque-shaped three-quarter cultured pearls and circular-cut citrines; a pair of earclips en suite; each signed Trianon, nos. 37366 and 34243; mounted in eighteen karat gold; cuff diameter: 2 1/2in. Sold for $3,355

Bonhams. Fine Jewelry, 16 Jun 2010. New York, San Francisco and Los Angeles www.bonhams.com