A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set

A FRENCH ART DECO DIAMOND CLIP BROOCH in platinum and 18ct white gold, designed as a shield, set with shield, baguette, emerald, and single cut diamonds all totalling 3.0-3.5 carats, French assay mark

BOUCHERON, AN EXCEPTIONAL ANTIQUE ART DECO DIAMOND AND ENAMEL BROOCH in platinum and 18ct white gold, the geometric body set with old cut diamonds within two octagonal borders of black enamel, the pri

Art Deco Diamond, Platinum, White Gold Clip-Brooch The brooch features European and baguet

A French, Art Deco Style Diamond Brooch, set in 18k white gold, containing 95 diamonds totaling approximately 2.0cts. Stamped with eagle hallmark on pin. 2" x 1.25" 12.9 grams.Property from an Upper E

A FRENCH ART DECO ONYX AND DIAMOND ARROW JABOT PIN BROOCH in platinum, designed as an arrow, set with polished onyx and rose cut diamonds, French maker's mark, French assay marks, 4.3cm, 2.2g.

AN ART DECO DIAMOND AND SAPPHIRE BAR BROOCH in 18ct white gold, comprising a row of alternating old European cut diamonds and French cut sapphires, stamped 18K and indistinctly to pin, 4.7cm, 4.5

Art Deco Diamond, Platinum, White Gold Double-Clip Brooch Stones: Baguette-cut diamonds weighing a total of approximately 6.65 carats; transitional-cut diamonds weighing

Art Deco Diamond, Platinum, White Gold Double-Clip Brooch Stones: Baguette, triangular, and marquise-cut diamonds weighing a total of approximately 2.55 carats&sem

Art Deco Diamond, Platinum, White Gold Double-Clip Brooch Stones: Marquise, hexagon, European, transitional, and single-cut diamonds weighing a total of appro

Art Deco Diamond, Platinum, White Gold Double-Clip Brooch Stones: Baguette, marquise, and transitional-cut diamonds weighing a total of approximately 3.00 carats M

A VINTAGE DIAMOND AND PEARL BROOCH in 18ct white gold, designed as a lover's knot set with old cut diamonds suspending two pink pearl drops, French import marks, 3.3cm, 6.4g. 

Stunning set of 2 art deco emerald and diamond dress clips, handcrafted in platinum with 18k white gold hinged clasps, circa 1925. The pair are perfectly matched, and can be combined together on a cus

French Art Deco Carnelian, Black Onyx, Platinum, 14k White Gold Bar Brooch Semi-Mounting. Featuring two carnelian discs measuring approximately 17 mm, accented by rectangular black onyx segments, set

A PEARL AND DIAMOND BROOCH in 18ct yellow and white gold, the Art Nouveau design set with old cut and rose cut diamonds, suspending a drop set with a pearl of 12.6mm, French assay marks, 4.0cm, 8.4g.

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

This lovely Art Deco brooch is crafted from platinum and has 14k white gold pin. The long frame has fine filigree floral design with milgrain border. The round cut diamonds are set in the front, each

DIAMOND BROOCH, 1930S of bar design in the Art Deco style, centred on a geometric arrangement of millegrain-set circular-cut and baguette diamonds, mounted in platinum and white gold, length 57mm, sta

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

14K Diamond band and brooches to include 14K yellow gold and platinum band with (7) .93 mm diamonds at center, sz 5.5, 14K white gold pierced art deco hoop and bow brooch set with 2.18 mm diamond at c

An Art-Deco black onyx bow brooch ca 1930's. 14k white gold double pin back and frame. Diamonds set in platinum weighing approximately three carats total weight including center marquise cut diamond.

Designed in the Art Deco style with a coral button and white gold foliate surmount suspending a carved onyx hoop and interior RBC, single-cut and baguette-cut diamonds in leaves set in platinum, diamo

Platinum and Diamond Dress Clips, c. 1950s, designed as a bow set with full- and baguette-cut diamonds, approx. total wt. 6.00 cts., each lg. 1 3/8 in., with 14kt white gold armature for brooch conver

A VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH, CIRCA 1950 in platinum and 18ct white gold, set with two tapered fancy cut aquamarines, accented by rose cut, single cut and round brilliant cut diamonds,

A FINE ART DECO PINK TOURMALINE AND DIAMOND RING in 18ct white gold, set with two rectangular step cut pink tourmalines of 1.78 and 1.32 carats, the pierced openwork shoulders set with old cut diamond