A diamond and gem-set brooch. Designed as a carved

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

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

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.

AN ANTIQUE GEMSET BLACKAMOOR BROOCH in yellow gold, designed as the bust of a man carved from wood, jewelled with round cut rubies, emeralds and blue sapphires and rose cut diamonds, no assay marks, 4

NO RESERVE - AN ANTIQUE GEMSET BLACKAMOOR BROOCH in yellow gold, designed as the bust of a man carved from wood, jewelled with round cut rubies, emeralds and blue sapphires, and rose cut diamonds, no

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

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 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.

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

An early 20th century diamond and gem-set insect brooch. Designed as an old-cut diamond fly, with oval-shape sapphires highlights and circular-shape ruby eyes, atop a plain bar. Estimated total diamon

An early 20th century Egyptian Revival gold, diamond and gem-set brooch. The carved moonstone scarab with ruby and rose-cut diamond surround, to the rose-cut diamond accent openwork wing sides. Austri

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

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

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 pair of jade, diamond and gem-set ear pendants. Each designed as a scrolling floral carved and pierced jadeite panel depicting crane and bat motifs, within a brilliant-cut diamond and triangular-sha

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

An early 20th century gem-set fox brooch. The carved labradorite fox head, with rose-cut diamond eyes, atop a tapered panel with split pearl terminals. Length 3.6cms. Weight 5.4gms.

Designed as a millegrained platinum bomb-form element, set with rose-cut and OMC diamonds later set with round faceted blue sapphire border and trefoil accents, saltwater cultured pearl and RBC diamon

Two gem-set bee brooches. Each designed as a graduated opal cabochon and circular-cut diamond double cluster body, with circular-shape ruby eyes and diamond wings. Estimated total diamond weight 0.70c

A GEMSET NAUTICAL FLAG BROOCH designed as four nautical flags set with round and step cut citrine, step and cabochon cut onyx, calibre cut synthetic rubies, rose cut diamonds, and calibre cut syntheti

An 18ct gold opal and diamond novelty brooch, and an 18ct gold gem-set cluster ring. The brooch designed as a pair of sunglasses with oval opal cabochon lenses and brilliant-cut diamond bridge, the ri

Art Deco Platinum and Gem-Set Brooch, Cartierfinely designed in a flower basket motif, basket set with transitional cut, marquise cut, single cut round, and straight baguette cut diamonds weighing app

Bi-Color Gold and Gem-Set Brooch / Pendant, Wrendesigned in yellow gold in a three dimensional abstract form set with a gray cultured pearl, half bezel set straight baguette cut diamonds weighing appr

Designed as a Ducal crown set with rose-cut diamonds, rubies and emeralds, the cap with ruby pave. Ca. 1900. 18k. 1 1/4". 6.4 dwt.