AN ART DECO PLATINUM, ONYX, AND DIAMOND BOW BROOCH Set with old European, old mine, and single-cut diamonds, approximate total weight 4.10 carats,...

AN ART DECO PLATINUM AND DIAMOND PENDANT Set with old European, single, and baguette-cut diamonds, approximate total weight 4.6 carats, weight 6.0...

J.E. CALDWELL: A PAIR OF ART DECO EMERALD AND DIAMOND EARRINGS Each drop set with channel-set emeralds and old European and old mine-cut diamonds,...

WALTON & CO.: AN EDWARDIAN PLATINUM AND MOONSTONE INTAGLIO RING Centering a moonstone intaglio depicting a Classical maiden with urn, measuring ap...

AN ART DECO JADE AND DIAMOND BROOCH Centering a carved and pierced jade plaque depicting gourds and flowers, and set with old European, old mine, ...

AN ART DECO PLATINUM AND DIAMOND BOW BROOCH, FRANCE Set with old European-cut diamonds, approximate total weight 2.25 carats, millegrain accents, ...

AN ART DECO PLATINUM AND DIAMOND BROOCH, AUSTRIA The pierced plaque brooch set with old European and single-cut diamonds, approximate total weight...

A PLATINUM AND DIAMOND BRACELET The pierced platinum set with full and marquise-cut diamonds, total diamond weight 3.87 carats, weight 20.8 dwt, ...

AN ART DECO PLATINUM, SAPPHIRE, AND DIAMOND BAR PIN Set with channel-set fancy-cut sapphires and old European-cut diamonds, approximate total diam...

AN EDWARDIAN PEARL AND DIAMOND RING Centering a pearl measuring approximately 6.20 mm, and set with old mine and old single-cut diamonds, platinum...

AN ART DECO PLATINUM, JADE, AND DIAMOND BROOCH The carved and pierced jade depicting a gourd and draping vines, with platinum frame set with old m...

AN ART DECO PLATINUM, SAPPHIRE, ONYX, AND DIAMOND BROOCH, FRANCE Centering an oval-cut sapphire measuring approximately 9.80 x 6.20 x 2.95 mm, and...

AN ART DECO DIAMOND SOLITAIRE Centering an old European-cut diamond weighing approximately 1.30 carats, set in a 14k white gold filigree mount, s...

AN ART DECO PLATINUM AND DIAMOND BAR PIN Set with old European-cut diamonds, approximate total weight 1.30 carats, weight 3.7 dwt, length 1 3/4 i...

A GOLD, AMETHYST, PEARL, AND DIAMOND RING The Edwardian navette centering a fancy-cut amethyst measuring approximately 23.20 x 17.40 x 10.10 mm, f...

A NATURAL PEARL NECKLACE The single strand necklace composed of 108 pearls ranging in size from 1.60 to 3.86 mm, joined to a gold clasp, length 16...

AN ART DECO PEARL NECKLACE The single strand necklace composed of pearls ranging in size from approximately 2.50 to 5.05 mm, completed by a platin...

AN ANTIQUE RUBY, PEARL, AND DIAMOND BEE BROOCH With channel-set fancy-cut ruby and rose-cut diamond stripes, and centering a pearl, mounted in gol...

AN ANTIQUE EMERALD AND DIAMOND BEE BROOCH Set with a square emerald-cut emerald and old mine and old single-cut diamonds, with circular-cut ruby e...

AN ART DECO SAPPHIRE DRESS SET Each centering a sapphire cabochon, set in platinum-topped 14k gold, weight 18.2 dwt. For further information on th...

A GROUP OF GOLD GEM-SET GENTLEMAN'S ITEMS Comprising a pair of 18k gold and amethyst cabochon cufflinks, France, two Tiffany & Co. gold and button...

A STAR RUBY AND DIAMOND DRESS SET, CIRCA 1940 Each set with a star ruby and two baguette-cut diamonds, set in platinum and gold, weight 10.9 dwt, ...

AN ART DECO PLATINUM AND DIAMOND WRISTWATCH Set with old European and old single-cut diamonds, approximate total weight 2.25 carats, enclosing a L...

AN ART DECO PAIR OF RUBY AND DIAMOND CUFF LINKS, FRANCE Set with calibré-cut rubies and rose-cut diamonds, mounted in platinum and 18k gold, Fren...

AN ART DECO DIAMOND WRISTWATCH The frame and bow motifs set with old single-cut diamonds, with fancy-cut blue stone accents, and joined to a black...

CARTIER: AN ART DECO LACQUER MINAUDIERE, FRANCE Opening to a gilt interior including powder and lipstick compartments, signed Cartier, Paris, num...

A RETRO 14K GOLD, RUBY, AND DIAMOND STRAP BRACELET The garter bracelet composed of brickwork links, with buckle closure set with full and old Euro...

A RETRO 14K GOLD STRAP BRACELET Composed of triangular links, weight 47.5 dwt, interior circumference 6 1/2 in. For further information on this l...

A RETRO 14K GOLD AND CITRINE FEATHER BROOCH Centering a fancy-cut citrine measuring approximately 27.00 x 23.00 x 17.10 mm, joined to a large scro...

A RETRO 14K GOLD, RUBY, AND DIAMOND NECKLACE The flexible brick-link chain centering a buckle motif set with calibré-cut ruby and full and single-...

A 14K GOLD STRAP BRACELET Composed of ribbed links, weight 39.5 dwt, length 7 in. For further information on this lot please visit Bonhams.com ...

TIFFANY & CO.: A RETRO 14K GOLD, SAPPHIRE, AND MOONSTONE FLOWER BROOCH The flowers set with pear-shape cabochon moonstones, and circular and fancy...

A 14K GOLD BRACELET, ITALY Composed of fancy links, weight 17.2 dwt, length 7 3/8 in. For further information on this lot please visit Bonhams.c...

A 14K BI-COLOR GOLD BRACELET, ITALY Composed of textured fancy links, weight 12.1 dwt, length 7 7/8 in. For further information on this lot pleas...

A PAIR OF 14K GOLD AND GARNET EARRINGS Designed as coiled chain, suspending circular-cut garnet fringe, weight 10.0 dwt, length 1 3/16 in. For f...

A RETRO GOLD, SYNTHETIC RUBY, AND DIAMOND SUITE Comprising a brooch and pair of earrings set with circular-cut synthetic rubies and old European a...

A PAIR OF RETRO 14K GOLD, MOONSTONE, AND SAPPHIRE EARRINGS The leaf motifs set with moonstone cabochons and circular-cut sapphires, weight 15.9 dw...

WALTER LAMPL: A RETRO 14K BI-COLOR GOLD NECKLACE AND BRACELET Composed of fancy square knot links, weight 61.3 dwt, each signed Lampl, length 16...

A GOLD, EMERALD, AND DIAMOND BANGLE BRACELET The hinged bangle set with emerald-cut emeralds and old single and rose-cut diamonds, weight 15.9 dwt...

CARTIER: A 14K GOLD BOX With two hinged compartments, weight 13.1 dwt, signed Cartier, length 1 1/2 in. For further information on this lot ple...

TWO PAIRS OF GOLD CUFF LINKS One 18k gold and the other 14k, weight 17.5 dwt, length 1 1/8 and 1/2 in. For further information on this lot pleas...

A RETRO 14K GOLD MONEY CLIP Centering a photo album compartment, inscription to reverse, weight 27.1 dwt, length 2 1/4 in. For further informati...

A RETRO 14K ROSE GOLD, RUBY, AND DIAMOND WRISTWATCH The asymmetrical design set with circular and square-cut rubies and full-cut diamonds, centeri...

A RETRO 14K GOLD WRISTWATCH Enclosing a manual wind 17-jewel movement, joined to a gold link bracelet, weight 24.9 dwt, length 6 3/4 in. For fur...

A PLATINUM, EMERALD, AND DIAMOND RING, CIRCA 1940s The shaped ring set with an emerald-cut emerald measuring approximately 6.40 x 5.50 x 2.60 mm, ...

MARIANNE OSTIER: A PLATINUM AND DIAMOND BROOCH Designed as stylized bluebells, set with full, single, and baguette-cut diamonds, approximate total...

TIFFANY & CO.: A PLATINUM AND DIAMOND BOW BROOCH Set with full-cut diamonds, approximate total weight 4.25 carats, weight 8.4 dwt, signed Tiffany...

A PLATINUM AND DIAMOND BROOCH, CIRCA 1960s The spray brooch set with marquise and baguette-cut diamonds, approximate total weight 7.10 carats, wei...

A PAIR OF PLATINUM AND DIAMOND EARCLIPS, CIRCA 1960s The spray form set with marquise and baguette-cut diamonds, approximate total weight 8.40 car...

A WHITE GOLD AND DIAMOND BROOCH, CIRCA 1950s Set with full and single-cut diamonds, approximate total weight 1.77 carats, weight 6.1 dwt, length ...

A PLATINUM AND DIAMOND SPRAY BROOCH, CIRCA 1950s Set with old European, full, marquise, and baguette-cut diamonds, approximate total weight 2.56 c...

AN AQUAMARINE AND DIAMOND RING Centering a fancy-cut aquamarine measuring approximately 11.70 x 11.90 x 8.80 mm, flanked by single-cut diamonds, m...

A WHITE GOLD AND DIAMOND BROOCH The diamond pin set with single-cut diamonds, together with a yellow gold jacket, weight 9.8 dwt, length 1 5/8, 2...

A DIAMOND WRISTWATCH The platinum watch case set with full and single-cut diamonds, enclosing a manual wind 17-jewel movement, joined to a 14k whi...

AN AQUAMARINE AND DIAMOND RING, CIRCA 1950s Centering a marquise-cut aquamarine measuring approximately 26.00 x 13.80 x 9.30 mm, flanked by full-c...

A PLATINUM, SAPPHIRE, AND DIAMOND RING Set with carved cabochon sapphires and single and baguette-cut diamonds, weight 4.1 dwt, size 7 1/4. For ...

AN EMERALD AND DIAMOND RING Set with emerald and baguette-cut emeralds, and full and old European-cut diamonds, approximate total diamond weight 1...

AN EMERALD, RUBY, AND DIAMOND BROOCH Set with circular and oval-cut emeralds and fancy-cut rubies, with old European and full-cut diamond accents,...

TIFFANY & CO.: AN 18K GOLD, DIAMOND, AND TURQUOISE PENDANT/BROOCH, ITALY The butterfly set with full-cut diamonds and turquoise cabochons, among a...

TIFFANY & CO.: A PAIR OF 18K GOLD, RUBY, AND DIAMOND EARCLIPS Of starburst design, set with circular-cut rubies and single-cut diamonds, weight 11...