46 items found:

These items have been sold, and the description, image and price are for reference purposes only.

Bulgari diamond horse brooch, modelled as a horse head facing…

Bulgari Diamond Horse Brooch in 18ct Pink Gold, 1.00ct

Bulgari diamond horse brooch, modelled as a horse head facing dexter, the mane inlaid with carved onyx, the head decorated with pave-set round brilliant-cut diamonds, the diamonds together weighing approximately 1.00 carat, mounted in 18ct pink gold,…

An 18ct gold Deco style emerald onyx and diamond Pendant/…

18ct Gold Deco Style Emerald Onyx Diamond Pendant/Brooch, 16.70ct

An 18ct gold Deco style emerald onyx and diamond Pendant/ brooch, oval cushion cut emerald of approx. 16.70ct, to surround set with 4 triangle shape onyx plaques and 16 round brilliant cut diamonds, size 35 x 35 mm, wt. 15.68g, with Algt report.

Platinum, diamond and onyx brooch, circa 1930, designed as a…

1930s Platinum Diamond Onyx Brooch with French Assay Marks

Platinum, diamond and onyx brooch, circa 1930, designed as a bar set to the centre with an old-cut diamond of approximately 1.10 carat, flanked on each side by onyx plaques and seven more old-cut diamonds, the diamonds weighing approximately 3.80 carats,…

18ct gold, diamond and onyx 'Lucky Alhambra' brooch, van Cleef…

Van Cleef & Arpels Diamond Onyx Butterfly Brooch

18ct gold, diamond and onyx 'Lucky Alhambra' brooch, van Cleef & Arpels, modelled as a butterfly, the body accented with a brilliant-cut diamond, the wings set with black onyx plaques framed by a beaded border, approximately 28 x 23 mm, signed Vca,…

Black, star & Frost onyx and diamond brooch, circa 1930,…

1930 Black Onyx and Diamond Brooch with Platinum Ribbon Bow

Black, star & Frost onyx and diamond brooch, circa 1930, designed as a 7 mm black onyx spherical annular plaque surmounted with a platinum ribbon-bow millegrain-set with old-cut diamonds, the diamonds together weighing approximately 0.65 carats, diameter…

Diamond and onyx brooch, circa 1930; designed as an openwork…

1930 Diamond and Onyx Brooch with Rose-cut Diamond Accents

Diamond and onyx brooch, circa 1930; designed as an openwork plaque, centring three millegrain-set early round brilliant-cut diamonds together weighing approximately 0.15 carats, flanked by a pair of modified rectangular-shaped onyx upon a pierced…

Platinum antique brooch pair, featuring 2 x early round…

Antique Platinum Brooch Pair with Diamonds and Onyx

Platinum antique brooch pair, featuring 2 x early round brilliant cut diamonds of estimated weight .06 carats, accented by 24 x small faceted onyx (one missing) in an ornate design. Finished weight 2.67 grams. Overall size 25 mm.

Platinum, coral, onyx and diamond brooch. Centring a claw-set…

Diamond and Coral Brooch with Onyx Panels

Platinum, coral, onyx and diamond brooch. Centring a claw-set oval cabochon coral weighing approximately 6.00 carats. Flanked by oval cabochon onyx and diamond panels, within an open border set throughout with rose-cut diamonds, measuring approximately 37…

Bee brooch, 18ct yellow gold designed with cabochon emerald…

Emerald and Diamond Bee Brooch

Bee brooch, 18ct yellow gold designed with cabochon emerald centre stone, black onyx and diamond striped body, with two movable wings set with round brilliant cut diamonds, two cabochon ruby eyes, honeycomb design underneath, 16 grams, total diamond…

Art Deco onyx diamond and emerald brooch, platinum designed…

Onyx Diamond Emerald Art Deco Brooch

Art Deco onyx diamond and emerald brooch, platinum designed with two flowers upon an oval black onyx background, with single cut and round brilliant cut diamonds and 4 emeralds, milgrain trim, 8 grams, length 5 cm

Diamond, onyx & 18ct white gold brooch of lute form, marked 750.…

Lute Brooch with Diamonds and Onyx

Diamond, onyx & 18ct white gold brooch of lute form, marked 750. Approx weight 9.23 grams, length 49 mm, TDW 0.30ct

Van Cleef & Arpels, diamond and gem-set 'Chat Malicieux' brooch,…

"Chat Malicieux" Gem-Set Brooch by Van Cleef & Arpels

Van Cleef & Arpels, diamond and gem-set 'Chat Malicieux' brooch, circa 1960, set with an onyx cabochon body, emerald eye accented with brilliant-cut diamond and ruby nose, signed Vca, numbered B1013X55, maker's mark for Pery & Fils, 18ct gold, weight 17…

Sapphire, diamond, mother of pearl and onyx brooch, Piaget,…

Piaget Bird Brooch with Sapphire, Diamond and Mother of Pearl

Sapphire, diamond, mother of pearl and onyx brooch, Piaget, circa 1970, modelled as a bird perched on an onyx branch, its body set throughout with circular-cut sapphires, its tail set with circular-cut and baguette sapphires tipped by mother of pearl…

Art Deco black onyx and diamond brooch, set with single cut and…

Art Deco Diamond and Onyx Brooch in White Gold

Art Deco black onyx and diamond brooch, set with single cut and brilliant cut diamonds and a circular black onyx, possibly converted from a watch, 18 ct white gold A/F, total weight 8.1 grams

Bar brooch, white metal mourning Art Nouveau bar brooch with…

Art Nouveau Mourning Bar Brooch with Onyx and Diamond

Bar brooch, white metal mourning Art Nouveau bar brooch with black onyx stone and central diamond stone

A handmade onyx and diamond brooch, consisting of two flower…

Onyx and Diamond Flower Brooch

A handmade onyx and diamond brooch, consisting of two flower shaped carved onyx set with two old mine cut and fifteen small rose cut diamonds of estimated total weight 0.15 carats. Secured with hinged pin and barrel catch. 18ct gold. Weight 6.60 grams.…

A 14ct gold, onyx, ruby and diamond brooch, modelled as a…

Diamond and Ruby Ladybird Brooch

A 14ct gold, onyx, ruby and diamond brooch, modelled as a ladybird, the wing cases pave-set with brilliant-cut diamonds and circular-cut rubies, partially opening to reveal an onyx abdomen, length approximately 20 mm.

Victorian yellow gold, pearl and onyx mourning brooch. With…

Victorian Mourning Brooch with Pearl, Onyx, and Diamond

Victorian yellow gold, pearl and onyx mourning brooch. With locket window to the reverse and single old cut diamond to the flower . Approx size 30 mm x 24 mm, weight 8.4 grams. With applied silver setting. Tests as 9ct

An Art Deco diamond brooch, platinum set on an 18ct gold ground…

Art Deco Diamond Brooch with Onyx and Platinum

An Art Deco diamond brooch, platinum set on an 18ct gold ground centring a millegrain set old European cut diamond of approx. 0.08ct between scroll pierced sides, one set with an old European cut diamond the other with an early single cut diamond to a…

An onyx and diamond brooch, of Art Deco style, comprising an…

Art Deco Onyx and Diamond Brooch

An onyx and diamond brooch, of Art Deco style, comprising an open oval onyx ring detailed with fine round brilliant cut diamonds and flanked by geometric diamond set panels altogether totalling 1.0ct, in 18ct white gold. Length 40 mm x 20 mm

18ct gold, emerald, diamond, ruby and onyx 'Chat Malicieux'…

Van Cleef & Arpels Cat Brooch

18ct gold, emerald, diamond, ruby and onyx 'Chat Malicieux' brooch, Van Cleef & Arpels, circa 1955, designed as a seated cat accented with a single cabochon emerald eye framed with diamonds, a cabochon ruby nose, the body decorated with a buff top black…

A rock crystal, onyx, coral and diamond brooch, of Art Deco…

Cartier Art Deco Brooch with Diamond and Coral

A rock crystal, onyx, coral and diamond brooch, of Art Deco design, the rock crystal plaque set with coral, onyx and old cut diamonds, in platinum, signed Cartier, Paris, London, New York.

A carved jade, onyx and diamond brooch, the rectangular apple…

Jade and Diamond Floral Brooch

A carved jade, onyx and diamond brooch, the rectangular apple green jade panel, carved with floral and foliate decoration, with onyx detail and a border of seventy one diamonds, totalling 1.16cts, in 18ct white gold., condition: 450 mm x 90 mm, stamped on…

An onyx and diamond brooch, the rectangular onyx plaque,…

Onyx and Diamond Brooch in 9ct Gold

An onyx and diamond brooch, the rectangular onyx plaque, centred with a round brilliant cut diamond, in 9ct gold.

Pearl necklace, 18ct gold clasp, monture van Cleef & Arpels…

Van Cleef & Arpels Pearl Necklace with Cartier Lotus Pendant/Brooch

Pearl necklace, 18ct gold clasp, monture van Cleef & Arpels with onyx and diamond 'Egyptian-Revival' lotus pendant/brooch, Cartier, circa 1913 designed as a collar comprising three strands of ninety-nine Akoya cultured pearls measuring 8.5-9.0 mm…

A vintage 'Chat Malicieux' gem-set clip brooch by van Cleef…

Van Cleef & Arpels Winking Cat Brooch

A vintage 'Chat Malicieux' gem-set clip brooch by van Cleef &, Arpels, designed as a winking cat, set with onyx, emerald and ruby all cut en cabochon, with round brilliant cut diamonds to the brow, signed van Cleef &, Arpels, numbered 8.7.171,…

An Art Deco chrysoprase, onyx, diamond and enamel brooch, the…

Art Deco Chrysoprase and Diamond Brooch

An Art Deco chrysoprase, onyx, diamond and enamel brooch, the open form chrysoprase brooch, with diamond, onyx and enamel detail, mounted in 14ct gold

An 18ct gold gem set bird brooch, body set with green garnets…

Gem-set bird brooch with green garnets and sapphires

An 18ct gold gem set bird brooch, body set with green garnets and blue sapphires, a cabochon ruby eye surrounded by round brilliant cut diamonds, onyx crested head, resting on a gold branch each end terminating a blue cabochon sapphire, height 45 mm, wt.…

18ct gold, ruby, onyx, diamond and enamel brooch, Frascarolo,…

Frascarolo Basset Hound Brooch

18ct gold, ruby, onyx, diamond and enamel brooch, Frascarolo, circa 1960, modelled as a basset hound dog, the face pave-set at intervals with circular-cut diamonds, the eyes accented by collet-set oval rubies, the nose decorated with onyx, the ears and…

Victorian mourning brooch, oval onyx cabochon set with an old…

Victorian Onyx and Diamond Mourning Brooch

Victorian mourning brooch, oval onyx cabochon set with an old mine cut diamond and surrounded by a cluster of seed pearls, with safety chain and pin in 9ct yellow gold, approx. Weight 11.8 grams

A retro onyx and diamond dress ring and gold brooch, both set…

Onyx & Diamond Dress Ring and Gold Brooch Set

A retro onyx and diamond dress ring and gold brooch, both set in 14ct rose gold, the ring, circa 1960's, designed as a bold raised dress ring, featuring a kite shaped piece of black onyx, faceted in a black piece, help by triangular shaped raised gold…

Art Deco 18ct white gold diamond set and onyx bow brooch

Diamond and Onyx Bow Brooch in 18ct White Gold

Art Deco 18ct white gold diamond set and onyx bow brooch

18ct gold, emerald, ruby and onyx 'Chat Malicieux' brooch, van…

Van Cleef & Arpels Cat Brooch

18ct gold, emerald, ruby and onyx 'Chat Malicieux' brooch, van Cleef & Arpels, circa 1955, designed as a seated cat accented with a single cabochon emerald eye framed with diamonds, a cabochon ruby nose, the body decorated with a buff top black onyx,…

18ct gold, diamond, onyx and emerald brooch, Van Cleef & Arpels,…

Van Cleef & Arpels Panther Brooch with Diamonds and Emeralds

18ct gold, diamond, onyx and emerald brooch, Van Cleef & Arpels, modelled as a panther with an articulated tail and paw resting on a textured branch, the nose of black enamel, the eyes embellished with circular-cut emeralds, the body pave-set with onyx…

18ct gold and gem-set brooch, Piaget, modelled as a fly, the…

Piaget Fly Brooch with Ruby, Diamond, Tourmaline and Onyx

18ct gold and gem-set brooch, Piaget, modelled as a fly, the eyes accented with circular-cut rubies, the wings decorated with brilliant-cut diamonds, the body embellished with pink tourmaline and onyx, length approximately 11 mm, signed Piaget.

An onyx and diamond mourning brooch, central star burst old…

Onyx and Diamond Mourning Brooch with 4.2mm Central Diamond

An onyx and diamond mourning brooch, central star burst old European cut diamond panel, central diamond 4.2 mm; 14ct gold. Weight 14.4g.

An antique diamond and onyx bow brooch. Art Deco, platinum,…

Art Deco Diamond & Onyx Bow Brooch

An antique diamond and onyx bow brooch. Art Deco, platinum, presented as a small stylised bow brooch with exaggerated points to each bow piece, framed throughout with channel set rectangular panels of black onyx, centred by four grain set sections of old…

An onyx, diamond and pearl pansy brooch, early 20th century the…

Onyx, Diamond & Pearl Pansy Brooch from Melba Collection

An onyx, diamond and pearl pansy brooch, early 20th century the brooch of carved onyx petals accented by seedpearls, with old European-cut diamond stamen, diameter approximately 31 mm. Property from the Collection of Dame Nellie Melba GBE

A jadeite, onyx and diamond brooch, of Art Deco design,…

Art Deco Jadeite and Diamond Brooch

A jadeite, onyx and diamond brooch, of Art Deco design, centrally set with a carved jadeite plaque of dark green hue, surrounded by an onyx border with diamond and emerald detail, in 18ct white gold

An Art Deco onyx and diamond bar brooch, set with alternating…

Onyx and Diamond Art Deco Bar Brooch

An Art Deco onyx and diamond bar brooch, set with alternating transition cut diamonds and French cut onyx sections, platinum, length 5 cm.

A gem set Scotty dog brooch, the finely crafted brooch…

18ct Gold Scotty Dog Brooch with Coral and Diamonds

A gem set Scotty dog brooch, the finely crafted brooch featuring coral cut en cabochon, with onyx and diamond detail, in 18ct gold.

18ct gold, emerald, ruby and onyx 'Chat Malicieux' brooch, Van…

Van Cleef & Arpels Cat Brooch with Gemstones

18ct gold, emerald, ruby and onyx 'Chat Malicieux' brooch, Van Cleef & Arpels, circa 1955, designed as a seated cat highlighted with a single cabochon emerald eye framed with diamonds, a cabochon ruby nose, the body accented with a buff top black onyx,…

A Victorian diamond, onyx and 9ct gold lozenge bar brooch.…

Victorian Diamond and Onyx Lozenge Brooch

A Victorian diamond, onyx and 9ct gold lozenge bar brooch. Width 49 mm

An onyx Masked warrior brooch / pendant, 18ct yellow gold,…

18ct Onyx Warrior Brooch Pendant

An onyx Masked warrior brooch / pendant, 18ct yellow gold, handmade as a striking black faced warrior like piece, the stylised face crafted from a single polished piece of black onyx, detailed to eyes with single marquise shaped diamonds, framed by an…

A jade and gem set brooch, of Art Deco style, featuring a…

Art Deco Jade and Gem Brooch in 14ct Gold

A jade and gem set brooch, of Art Deco style, featuring a carved jade panel with onyx, ruby and diamond detail, in 14ct gold.

A jade & diamond brooch; pierced green jade tablet to an onyx…

Jade and Diamond Arrow Brooch

A jade & diamond brooch; pierced green jade tablet to an onyx border with arrow head motifs set with round brilliant cut diamonds and two emeralds in 18ct white gold. Dimensions 60 x 35 mm. Wt. 15.9g.