A gem-set and enamel cat brooch. Designed as a vari-hue

A gem-set and plique-a-jour enamel brooch. Designed as a lady in profile, with plique-a-jour enamel and circular moonstone cabochon detail, suspending a cultured pearl drop. May be worn as a pendant.

Two diamond and gem-set brooches. Each designed as two carved amethyst and vari-cut diamond flowers, to the carved nephrite jade leaves and gathered stems. Estimated total diamond weight 0.15ct. Lengt

An early 20th century 15ct gold enamel and gem-set snake brooch. Designed as a graduated green guilloche enamel snake, with ruby cabochon eyes, wrapped around a split pearl bar. Length 4.6cms. Weight

An early 20th century American 14ct gold enamel Egyptian Revival brooch. Designed as a blue enamel scarab, with vari-hue enamel winged sides. Maker's marks for Carter, Howe & Co (Carter, Gough & Co.).

A gold-filled ring with central black opal inlaid starburst motif, framed in cobalt blue enamel; A silver brooch with geometric multi-hue blue and black enameled design between round faceted marcasite

A diamond and vari-gem brooch. Designed as a pair of pave-set vari-gem doves with circular-shape ruby eyes, holding a similarly-set flower. Estimated total diamond weight 0.25ct. Length 3.2cms.

A cultured pearl, enamel and gem-set pendant. Designed as a blue topaz, within a plique-a-jour foliate surround, with marcasite highlights and cultured pearl surmount. May be worn as a brooch. Length

A foil-back diamond and foil-back multi-gem bird brooch. The brooch designed as a bird of paradise, set throughout with vari-shape foil-back ruby and foil-back emerald with foil-back rose-cut diamond

A diamond and gem-set brooch. Designed as a series of brilliant-cut diamond accent carved rock crystal flowers, atop a carved nephrite jade leaf. Estimated total diamond weight 0.10ct. Length 7.3cms.

A diamond and gem-set brooch. Designed as a woven basket, with circular-shape ruby accents and single-cut diamond collet rim, displaying a spray of diamond, emerald and ruby floral clusters. Estimated

A diamond and gem-set brooch. Designed as a carved mother-of pearl and amethyst floral spray, with onyx and brilliant-cut diamond basket. Total diamond weight 0.40ct, stamped to mount. Length 4cms. We

An 18ct gold diamond and gem-set brooch. Designed as a giardinetti, with brilliant-cut diamond openwork basket and marquise-shape ruby, sapphire and emerald flowers. Estimated total diamond weight 0.2

A 9ct gold gem-set brooch. Designed as a textured monkey, holding a circular-shape garnet, with oval-shape amethyst body and circular turquoise cabochon eyes. Hallmarks for London, 1938. Length 3.2cms

A diamond and gem-set brooch. Designed as a pheasant, the pave-set seed pearl and turquoise body, with circular-shape diamond tail. Length 4.7cms.

A gem-set brooch. Designed as a fly, with oval-shape green paste body, circular-shape colourless paste wings and circular red gem cabochon eyes. Length 3.2cms.

Gold and Gem-Set Broochdesigned in a feather motif centering on a round cabochon emerald weighing approximately 2.74 carats, within a square of full cut round diamonds weighing approximately .32 total

Vintage White Gold, Diamond, and Gem-Set Brooch designed in a shaped lozenge form with allover filigree decoration, set with old European and old single cut diamonds weighing approximately .26 total c

Pair of Gold and Gem-Set Broochesdesigned in a tapered swirl motif, one with pavè set full cut round diamonds and channel set baguette cut rubies, the other with pavè set full cut round diamonds

AN 18K GOLD, GEM-SET AND ENAMEL BROOCH PENDANT Depicting Jiminy Cricket, decorated with multi-color enamel, rubies, sapphire, tsavorite and topaz, length 2 in.

TWO GEM-SET AND ENAMEL BROOCHES 1st: The Indian Civil Service brooch with central monogram set with calibré-cut rubies, sapphires and single-cut diamonds, further decorated with red and blue enam

A gem-set novelty brooch. Designed as a winged insect, with circular-shape green gem and diamond wings, circular-shape peridot and cultured pearl body. Length 3.7cms.

A late Victorian gem-set snake brooch. Designed as a curb-link chain bar, with writhing snake overly, with red gem crest and green gem eyes. Length 3.5gms. Total weight 4.9gms.

A gem-set novelty brooch. Designed as a bird in flight, with circular-shape colourless gem-set body and wings. Length 4cms.

Gold and Gem-Set Octopus Broochdesigned in textured gold in an octopus motif with a prong set full cut round diamond accent weighing approximately .06 carat (J color, VS2 clarity), and set with rose c