Andrew Grima pearl jewelry from the Collection of Laura Speiser

A cultured pearl and diamond necklace and earclips, Andrew Grima, 1981 and 1976.  © 2002-2010 Bonhams 1793 Ltd

the necklace designed as a collar, open at the front, centering a large silvery-white baroque cultured pearl, measuring approximately 30 x 25mm, detailed with white gold wire and beads, further accentuated by round brilliant-cut diamonds; a pair of earclips en suite; each piece signed Grima, AG.Ltd; each with London hallmarks; large cultured pearl weighing approximately: 50.00 carats; estimated total diamond weight: 1.80 carats; mounted in eighteen karat white gold; approximate length of necklace: 15 1/2in. Estimate: $12,000 - 15,000

Literature. Exhibition catalogue, Grima Retrospective, Goldsmiths' Hall, London, 1991, page 54, plate 78 and page 81, plate 224 for sketches of these pieces.

A South Sea cultured pearl and diamond ring, Andrew Grima, circa 1991. © 2002-2010 Bonhams 1793 Ltd

centering an off-round light green cultured pearl measuring approximately 17.8mm. within an abstract surround of pavé-set round brilliant-cut diamonds, completed by a textured gold mount; signed Grima; estimated total diamond weight: 1.60 carats; mounted in eighteen karat gold and platinum; size 5 (with sizing bars) - Estimate: $4,000 - 6,000

Literature. Exhibition catalogue, Grima Retrospective, Goldsmiths' Hall, London, 1991, page 76, plate 203 for a sketch of this ring.

Willsberger, Johann, Grima, 1991, see color plate for a photo of this ring.

An abalone pearl and diamond pendant necklace, Andrew Grima, 1971. © 2002-2010 Bonhams 1793 Ltd

designed as a horn-shaped abalone pearl within a stylized openwork gold surround accentuated by round brilliant-cut diamonds, suspended from a gold collar; each signed Grima, AG.Ltd to collar; each with London hallmarks; mounted in eighteen karat bicolor gold; length of collar: 16in. (abalone not tested for origin of color) - Estimate: $4,000 - 6,000

A mabé cultured pearl ring, Andrew Grima, 1977. © 2002-2010 Bonhams 1793 Ltd

centering a gray mabé cultured pearl within a highly textured, openwork mount; signed Grima; with London hallmarks; mounted in eighteen karat bicolor gold; size 4 1/2 (with sizing beads) - Estimate: $2,500 - 3,000

A South Sea cultured pearl necklace, Andrew Grima, 1984.  © 2002-2010 Bonhams 1793 Ltd

comprising twenty-four baroque silvery-white cultured pearls measuring approximately: 21.2 x 17.4 to 13.3 x 11.2mm; with maker's mark AG.Ltd; London hallmarks; clasp mounted in eighteen karat gold; length: 17 1/2in. - Estimate: $2,000 - 3,000

Bonhams . The Collection of Laura Speiser, featuring jewelry by Andrew Grima, 19 Oct 2010. New York, Los Angeles and San Francisco www.bonhams.com