An Art Deco diamond set brooch, the oblong panel br

AN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCH the rectangular plaque with pierced diamond-set leaves, spaced by frosted rock crystal and diamond panels, between black enamel and diamond borders.

ART DECO PLATINUM-ON-YELLOW GOLD, DIAMOND AND RUBY OBLONG RING. Old European cut round diamond weighing app. .45 ct. centered by pair square cut rubies, vertically set in rectangular panel with cante

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

LACLOCHE FRÈRES: ART DECO DIAMOND-SET BROOCH, CIRCA 1925 The onyx plaque, applied with a giardinetto motif set with carnelian cabochons, old single-cut and rose-cut diamonds, the geometric border

IMPRESSIVE ART DECO DIAMOND BROOCH. set with round and pear shaped diamonds totalling approx 8.50 ct. stunning piece. L: 4 cm. W: 6 cm. 23.7 grams.

Black, Starr & Frost Art Deco diamond brooch Set with old European-cut diamonds Platinum Signed B.S & F 2 x 0.125 in; Gross weight 5.9 dwts

Art Deco diamond set tie pin / bar brooch, a 9ct gold and diamond set stick pin and two pairs of 9ct gold ear studs

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

CARTIER, IMPORTANT ART-DECO ROCK CRYSTAL AND DIAMOND BROOCH, set with 5 larger old cut diamonds and smaller diamonds totalling approx. 4.70 ct. The 2 sides set with carved rock crystal in trapezium sh

An Art Deco diamond and platinum clip/brooch set with circular-cut, kite-shaped, emerald-cut, and calveshead diamonds; estimated total diamond weight: 8.00 carats, all within an openwork setting. (15.

Art Deco Platinum, Diamond and Emerald Brooch , set with 1 emerald-cut diamond, approx. 1.03 ct. (VVS2/I), 4 emerald-cut diamonds, each approx. .38 (VS1/H-I), 2 fancy step-cut diamonds, each approx. .

FINE ART DECO AQUAMARINE AND DIAMOND CLIP BROOCH. set with rich vibrant aquamarines totalling approx 5.45 ct. surrounded by bright diamonds. Length : 3 cm. Width: 2.3 cm. 6.5 grams. accompanied with a

ART-DECO DIAMOND, ONYX AND CORAL BROOCH, Set with diamonds totalling approx. 1.10 ct. Accentuated with 4 onyx bars and a sugarloaf cabochon cut coral. L. 3.6 cm. 7.8 grams.

Lot 152 Art Deco Diamond 18K White Gold Brooch set with a fluted carved round green glass, measuring 6 1/2 mm in diameter, with round and baguette diamonds, no hallmarks observed tested for 18k gold

Large Antique C 1920-30s Art Deco Faux Diamond Brooch. Prong set rhinestones. Measures 2.5 inches in length.

Gelbgold, teilw. platiniert. 14 ct.; Schauseitig besetzt mit Altschliffdiamanten von zus. ca. 0.45 ct.; Gew. ca. 5,85 g. An Art Deco brooch set with diamonds approx. 0,45 ct., in 14 k gold and platinu

An Art Deco diamond broochdesigned as a pierced and millegrained navette form platinum panel, featuring old European-cut diamonds, with fourteen karat gold fittings. 3.5 dwt; length: 2 3/4 in

Two Art Deco brooches, set with a total of approx. 0.27ctw in diamonds. Brooches measure 63mm x 11mm and 56mm x 8mm. Marked 14k. Weight - 8.1 grams.

Art Deco Diamond, Emerald, Black Onyx and Platinum Brooch. Set in the center with an approx. .65 carat old European cut diamond, H-I color, VS2 clarity. Accented with approx. 3.50 carat TW old Europea

IMPORTANT ART-DECO DIAMOND SUNBURST BROOCH AND PAIR OF EARRINGS, The brooch set with multi cut diamonds, the center of domes design, flanked with diamonds on all sprays. The earrings of double set wit

AN ART DECO DIAMOND BRACELET, CIRCA 1930 designed as three large open-work stylised panels, connected by three smaller panels, set with three principal transitional cut diamonds of 0.53 carats, 0.70 c

AN ART DECO ONYX AND DIAMOND BAR BROOCH, CIRCA 1925 Set with two tapering onyx cabochons within a pierced surround set with old brilliant and single-cut diamonds, millegrain detailing throughout, moun

A platinum brooch set with approximately 1.50ctw of old mine cut diamonds separated by synthetic sapphires. The brooch measures 43mm x 23mm and weighs 6.0 grams.Gemstones have not been graded for colo

Art Deco Platinum and Diamond Bar Broochthe shaped bar brooch set with old European and single cut round diamonds weighing approximately 1.33 total carats (H-I color, VS-SI clarity) and with synthetic