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/ 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 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 & 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, 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 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 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 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 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 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
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, 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 brilliant cut diamonds and a circular black onyx, possibly converted from a watch, 18 ct white gold A/F, total weight 8.1 grams
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 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 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 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 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' 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 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 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…
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 &, 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 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, 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 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 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…
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, 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 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 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 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, 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
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,…
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 & 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.