A diamond and gem-set brooch. Designed as a series of

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

An 18ct gold diamond and gem-set necklace. Designed as a series of geometric panels, with oval sapphire and ruby cabochon collet detail, to the pave-set diamond highlights. Estimated total diamond wei

A diamond and gem-set bracelet. Designed as a series of square-shape emerald, ruby and sapphire lines, with brilliant-cut diamond double-C spacers, to the fancy-link chain. Estimated total diamond wei

A tanzanite necklace and two 9ct gold diamond and gem-set pendants. The necklace designed as a series of tanzanite faceted beads, with a tanzanite pendant and an amethyst and diamond pendant. Hallmark

Two 9ct gold diamond and gem-set bracelets. The first designed as an alternating series of single-cut diamond and polished heart panels with openwork bar spacers, the second designed as a series of ov

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