Andrew Grima, six rings from the Collection of Laura Speiser

A ruby and diamond ring, Andrew Grima © 2002-2010 Bonhams 1793

the oval-shaped ruby within a surround of square-cut diamonds further accented with square and baguette-cut diamonds down the sides, completed by a broad bark-textured mount; signed Grima; ruby weighing approximately: 8.50 carats; estimated total diamond weight: 6.00 carats; mounted in eighteen karat bicolor gold; size 7 3/4 - Sold for $20,740

A yellow sapphire and diamond ring, Andrew Grima, circa 1984 © 2002-2010 Bonhams 1793

centering an oval-shaped yellow sapphire within a rectangular surround of pavé-set round brilliant-cut diamonds, completed by a textured gold mount; signed Grima; yellow sapphire weighing approximately: 10.50 carats; estimated total diamond weight: 1.25 carats; mounted in eighteen karat gold and platinum; size 7 1/2 - Sold for $19,520

Exhibition catalogue, Grima Retrospective, Goldsmiths' Hall, London, 1991, page 71, plate 170 for a sketch of this ring.

Literature. Willsberger, Johann, Grima, 1991, see multi-panel color plate.

A green tourmaline, colored diamond and diamond ring, Andrew Grima, 1968 © 2002-2010 Bonhams 1793

centering a rectangular-cut green tourmaline within an elaborate mount of round brilliant-cut diamonds and yellow diamonds, accentuated with beaded detail; unsigned, attributed to Andrew Grima, with London hallmarks; green tourmaline weighing approximately: 17.00 carats; estimated total diamond weight: 7.25 carats; mounted in eighteen karat gold; size 5 (yellow diamonds not tested for origin of color) - Sold for $13,420

Exhibition catalogue, Grima Retrospective, Goldsmiths' Hall, London, 1991, page 69, plate 160 for a sketch of a similar example.

Willsberger, Johann, Grima, 1991, see multi-color plate for a similar example of this piece.

An aquamarine and diamond ring, Andrew Grima © 2002-2010 Bonhams 1793

centering a rectangular-shaped aquamarine accented by six prongs, three of which detailed with baguette-cut diamonds, completed by a textured, angular mount; signed Grima; aquamarine weighing approximately: 24.00 carats; mounted in eighteen karat gold; size 6 1/2 - Sold for $8,540

A ruby and diamond ring, Andrew Grima © 2002-2010 Bonhams 1793

the rectangular cabochon ruby accentuated by radiating rows of round brilliant-cut diamonds and an angular shank; signed Grima; estimated total diamond weight: 1.10 carats; mounted in eighteen karat gold; size 4 - Sold for $4,270

An eighteen karat gold and diamond ring, Andrew Grima, circa 1990 © 2002-2010 Bonhams 1793

of "crocodile" motif, accentuated with round brilliant-cut diamonds; signed Grima; size 6 3/4 - Sold for $4,270

Exhibition catalogue, Grima Retrospective, Goldsmiths' Hall, London, 1991, page 76, plate 202, for a sketch of a similar example.

Note. This ring is based on a design that Andrew Grima originally created in the 1960s, which in 1966, won the Duke of Edinburgh's Prize for Elegant Design.

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