AN ART DECO DIAMOND, PEARL AND ONYX BAR BROOCH in 18ct yellow gold and platinum, set with three

AN ART DECO SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and platinum, the tapering bar set with a floral cluster of diamonds to the centre, flanked by rows of graduated cushion cut blue sapphires,

Art Deco Bug brooch Crafted in 18k yellow Gold and Platinum, set with Diamonds, Two Round Shaped Rubies and a 8mm Round Pearl. Weight: 5.6g. Measurements: 1.4x0.8".

1.68 CARAT DIAMOND AND ONYX BAR BROOCH in high carat yellow gold, in Art Deco design set with round cut diamonds totalling approximately 1.68 carats and faceted onyx, unmarked, 6.6cm, 5.3g.

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

Consisting of a pair of double cufflinks, together with three matching shirt studs, each featuring a concave onyx tablet centering one full-cut diamond set in platinum topped, 14k yellow gold mounti

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.

Yellow gold, pierced and millegrained platinum topped bar brooch with post set seed pearls and bezel set round faceted sapphires; Yellow gold ring with carnelian, string seed pearl frame; Seed pearl n

A FINE ART DECO CORAL, DIAMOND AND ONYX BROOCH in 14ct yellow gold, set with a sugarloaf cabochon coral against a pierced geometric ground, accented by old and single cut diamonds and polished onyx ba

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH in 18ct yellow and white gold, set with seed pearls and old cut diamonds forming the date 1895 interspersed by a horseshoe motif, stamped 18C, 4.5cm, 4.1g.&nbsp

Art Deco Pin Brooch crafted in 18k yellow Gold and Platinum, set with Rose cut Diamonds, Rubies & Tsavorites. Embellished with applications of Red Enamel. Measurements: 0.80 x 0.65 inches. Weight: 3.1

ART DECO, DIAMOND AND ONYX BAR PIN Containing 10 single cut diamonds and 12 calibre cut onyx. Mounted in platinum and yellow gold. 2 1/2 inches long. Gross weight: 4.25 dwt.

AN ART DECO RUBY AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the rectangular face set with a step cut ruby accented by single cut diamonds, stamped 18ct Plat, size M /

Old European cut diamonds set in platinum filigree with gold pin back. Approximately 1.5 carat center stone with .75 carat side stones as well as many small diamonds throughout. Dimensions: L 2.75" x

French Art Deco Enamel, Diamond, 18k Yellow Gold Bar Brooch. Featuring alternating segments of black and mottled green enamel, accented by rose-cut diamonds, set in an 18k yellow gold bar brooch mount

An Art Deco 18 Karat Yellow Gold, Platinum, Jade, Diamond and Seed Pearl Brooch, containing one pierced and carved jade bi measuring approximately 33.55 mm in diameter, six round single cut diamonds,

2 Art Deco Brooches. 1st item: Art Deco platinum, 18k yellow gold sapphire, diamond and pearl brooch containing 14 baguette cut sapphires with a total weight of approximately .56 carats and 42 Old Eur

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

AN ART DECO ONYX AND DIAMOND NEGLIGEE NECKLACE in 18ct yellow gold and silver, the trace link chain suspending a pendant set with two rows of old cut diamonds, each terminated with a circular onyx dis

AN ART DECO ONYX AND DIAMOND NEGLIGEE NECKLACE in 18ct yellow gold and silver, the trace link chain suspending a pendant set with two rows of old cut diamonds, each terminated with a circular onyx dis

Circa 1920, Art Deco Necklace crafted in 18k yellow gold and Platinum on top, set with a figure of Virgin Mary made from natural Nacre, accented with Natural French cut sapphires and rose cut Diamonds

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

Antique 15kt Yellow Gold Amethyst Bar Brooch. Art deco style platinum, 15kt yellow gold, amethyst and seed pearl bar brooch. Measures 2.25 inches in width.

Art deco 18k yellow Gold and Platinum on top, featuring three Old mine Diamonds weighing Approx. 0.60 carats. Along with Rose cut Diamonds and natural blue Sapphires weighing Approx. 1.00 carats. Broo