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

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 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

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 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

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.

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

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.

Gold and Gem-Set Leaf Brooch, Raymond Yarddesigned as two leaves joined, the center stem set with single cut round diamonds weighing approximately .18 total carat (G-H color, VS-SI clarity), the gold

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

NO RESERVE - A VINTAGE GEMSET FLOWER SPRAY BROOCH in 18ct yellow gold, designed as a bouquet of flowers, set with round cut rubies, sapphires and diamonds, full British import assay marks, 5.5cm, 9.6g

Suite of diamond and gem-set butterfly jewelry A pair of ear clips, each designed as a single wing; A butterfly brooch with multi-color gems and diamonds 14k yellow gold Gross weight 11.2 dwts