An Art Deco diamond set plaque brooch, an elongated

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

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 DIAMOND BROOCH/CLASP, CIRCA 1935, AND TRIPLE ROW CULTURED PEARL NECKLACE The openwork geometric plaque set throughout with cushion-shaped and old brilliant diamonds, with step and baguette-cu

ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1925 The openwork geometric plaque millegrain-set throughout with old brilliant and single-cut diamonds, accented by circular-cut sapphires, diamonds approx

ART-DECO JADE AND DIAMOND BROOCH, in 18 ct. gold and platinum. Set with a square carved green jade plaque to the center, with diamond accents to the sides. W. 5.3 cm. 4.1 grams.

ART DECO JADE AND DIAMOND EARRINGS, BROOCH AND RING, CIRCA 1920 1st: Each earring with an openwork surmount of geometric design, set with single-cut diamonds, suspending a jadeite jade plaque carved t

containing two old European cut diamonds [H-I/I] weighing approximately 0.55 carats total; 120 old European cut diamonds [I-J/SI] weighing approximately 5.90 carats total; and 18 baguette cut diamonds

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

AN ART DECO TURQUOISE AND DIAMOND PENDANT set with an elongated turquoise cabochon of approximately 40.40 carats, accented by clusters of old cut diamonds, suspended from a diamond set bail, no assay

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

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

Art Deco Diamond, Onyx, 14k RingFeaturing an old cut diamond weighing approximately 0.20 ct. centered in a black onyx plaque, set in a 14k yellow gold filigree ring mounting, size 8 1/2. Gross weight: