A DIAMOND BROOCH designed as a parallelogram set to the centre with a transitional cut diamond of...

A white gold diamond bow and ribbon brooch, A white gold diamond bow and ribbon brooch, designed as a stylised bow and ribbon, with a round brilliant cut diamond millegrain set to the centre, to a bla

AN ANTIQUE DIAMOND CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon with a flower at the centre, set with an old European brilliant cut diamond, no assay marks, 2.4cm, 1.9g.

A CORAL AND DIAMOND ROSE DE NOEL BROOCH / PENDANT in 18ct yellow gold, in the manner of Van Cleef & Arpels Rose de Noel, designed as a flower set at the centre with a cluster of round cut diamonds, en

AN ANTIQUE PEARL AND DIAMOND ARROW BROOCH, LATE 19TH CENTURY in yellow gold and silver, designed as an arrow, set to the centre with a pearl of 6.7mm, accented by rose cut diamonds, in a fitted case,

AN ANTIQUE DIAMOND AND ENAMEL PANSY BROOCH / PENDANT in high carat yellow gold, designed as a head of a pansy flower, set at the centre with an old cut diamonds within a border of shaded purple and pi

Art Deco Platinum and Diamond Circle Broochthe circle brooch designed in a wreath motif and bead set with full cut round, transitional, and single cut round diamonds weighing approximately .65 total c

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

A BELLE ÉPOQUE PLATINUM AND DIAMOND BROOCH Designed as dragonfly wings set with rose-cut diamonds, millegrain accents, weight 4.6 dwt, French import stamp, length 2 9/16 in. For further informa

A blister pearl and diamond broochdesigned as a griffin set with rose-cut diamonds (some diamonds deficient), emerald eye, and blister pearl body measuring approximately 17.0mm x 22.0mm, set in a silv

AN ANTIQUE DIAMOND BROOCH designed as an open oval, set with ten old cut diamonds all totalling 3.0- 3.1 carats, no assay marks, 2.8cm, 5.0g.

A DIAMOND SALAMANDER BROOCH designed as a salamander, set with round brilliant cut diamonds totalling 0.53 carats, stamped 18K, 3.7cm, 3.6g.

Vintage Gold and Diamond Brooch / Pendantin an open circular and scrolled design prong set with transitional cut diamonds (4.5mm - 2.3mm) weighing approximately 1.70 total carats (H-I color, SI clarit

An 18K white gold and diamond brooch Italy designed as a rose pavé-set with round brilliant-cut diamonds; estimated total diamond weight: 6.50 carats, mounted in eighteen karat white gold. (24.3

An 18K, bicolor diamond brooch designed as a feathery brooch, set with forty-eight single cut diamonds and seventeen round brilliant cut diamonds. Set with an estimated 1.84 carats (2in.; weight: 18.0

Platinum and Diamond Brooch, the circular-designed brooch set with thirty-two round brilliant-cut diamonds, with an approximate total weight of 1.60 carats, dia. 1-1/4", 4.5 grams total weight.

A late Georgian silver and gold diamond bow brooch. Designed as a stylised bow, set throughout with rose-cut diamonds. Length 3.3cms. Weight 3gms.

AN ANTIQUE DIAMOND PLAQUE BROOCH in rectangular design, set to the centre with an old cut diamond of 0.35 carats, the openwork body set with further old cut diamonds, the diamonds all totalling 2.8-3.

JEWELRY: Art Deco Diamond & Sapphire Circle Brooch, tested platinum Art Deco open circle brooch with milgrain, diamonds, and natural sapphires. Containing 28 bead- set transitional cut diamonds with a

ART DECO SAPPHIRE AND DIAMOND BROOCH, 1930S in platinum, designed as a bow, pave-set with circular-cut diamonds, accented with calibre-cut sapphires, estimated total diamond weight 12.00-14.00 carats,

A mid 20th century diamond brooch. Designed as two alternately orientated foliate sprays, set throughout with vari-cut diamonds. Estimated total diamond weight 6.50 to 7cts, principal diamonds estimat

Cartier Retro sapphire, diamond, and gold brooch Designed as a gold scroll set with round brilliant-cut diamonds and circular-cut sapphires 14k yellow and white gold Signed Cartier, numbered 1 x

AN EDWARDIAN DIAMOND BROOCH Designed as a crown set with old European and old mine-cut diamonds, approximate total weight 2.05 carats, platinum-topped gold mount, weight 6.6 dwt, length 1 5/8 in. Fo

A PAIR OF RETRO 14K GOLD AND DIAMOND EARRINGS AND BROOCH Designed as flowers, set with full, single, and rose-cut diamonds, weight 12.0 dwt, length 1 1/8, 1 3/8 in. For further information on this l

Art Deco Style White Gold, Jade, and Diamond Broochdesigned in a rectangular Art Deco style with central carved jade panel, terminals set with single cut diamonds weighing approximately .25 total cara