VAN CLEEF & ARPELS, A VINTAGE GOLD LION BROOCH in 18ct yellow gold, designed as a stylised lion, signed VCA FRANCE and numbered, no assay marks, 5.5cm, 31.9g. 

Estimate £2,000 - £3,000

CHARLES DE TEMPLE, A VINTAGE AQUAMARINE AND DIAMOND BOW BROOCH in 18ct yellow gold, designed as a stylised bow accented by round brilliant cut diamonds, suspending a detachable series of drops set with pear cut aquamarines and pear cut diamonds, sign

Estimate £3,000 - £5,000

TIFFANY & CO., A VINTAGE STARFISH BROOCH in 18ct yellow gold, designed as a textured starfish accented by gold beadwork, signed Tiffany & Co., stamped 750, 6.5cm, 41.1g.

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND EN TREMBLANT FLORAL BROOCH, 19TH CENTURY in 18ct yellow gold and silver, designed as a floral spray, the central flower set en tremblant, set throughout with old and rose cut diamonds, the diamonds all totalling 16.0-18.0 carats, n

Estimate £6,000 - £8,000

AN ART DECO ROCK CRYSTAL, DIAMOND AND NATURAL SALTWATER PEARL BROOCH set with a frosted rock crystal plaque, accented by old and rose cut diamonds and pearls each measuring 6.1mm respectively, the diamonds all totalling 2.6-2.8 carats, no assay marks

Estimate £6,000 - £8,000

AN ANTIQUE BELLE EPOQUE DIAMOND, RUBY AND PEARL BOW BROOCH in yellow gold and platinum, set to the centre with an old cut diamond of approximately 0.85 carats, the ribbon accented by rose cut diamonds, calibre cut rubies, pearls and briolette cut dia

Estimate £3,000 - £5,000

ATTR KARL ROTHMULLER, A FINEANTIQUE NATURAL SALTWATER PEARL, RUBY AND DEMANTOID GARNET BROOCH in scrolling design, set with pearls, round cut rubies, round and oval cut demantoid garnets, no assay marks, 5.0cm, 27.5g. Accompanied by a gemmological re

Estimate £15,000 - £20,000

JEAN-THIERRY BONDT, A FINE SAPPHIRE AND DIAMOND CLIP BROOCH in 18ct yellow gold, designed as rows of twisted ropework, set with calibre and round cut sapphires and a row of round brilliant cut diamonds, Jean-Thierry Bondt maker's mark, French import

Estimate £12,000 - £16,000

VAN CLEEF & ARPELS, A DIAMOND STAG BROOCH in yellow gold, designed as a stag accented by single cut diamonds, signed VCA and numbered, no assay marks, 4.5cm, 6.6g. 

Estimate £1,000 - £1,500

DAVID WEBB, A RUBY, DIAMOND AND AZURITE SNOWFLAKE BROOCH in 18ct yellow gold and platinum, set to the centre with an oval cut ruby in a cluster of round brilliant cut diamonds and pear cut rubies, accented by polished azurite, signed DAVID WEBB, stam

Estimate £20,000 - £30,000

AN ENAMEL AND DIAMOND FLOWER BROOCH in yellow gold, designed as a tropical flower decorated with pink and blue enamel and accented by round brilliant cut diamond, the leaves set with further diamonds and green enamel, no assay marks, 9.5cm, 53.7g. 

Estimate £6,000 - £8,000

A DIAMOND AND ENAMEL BROOCH in 18ct yellow gold, designed as two Chinese figures carrying a box, the box relieved in red enamel and diamonds and accented by coral, the two figures each accented by red and blue enamel, the box hinging to open at the r

Estimate £3,000 - £5,000

AN ANTIQUE YELLOW SAPPHIRE AND DIAMOND BOW BROOCH in yellow gold and silver, set with calibre cut yellow sapphires and accented by rose cut diamonds, no assay marks, 9.0cm, 24.1g. 

Estimate £7,000 - £9,000

AN AQUAMARINE AND DIAMOND FLOWER BROOCH in platinum, set with a round cut aquamarine of approximately 1.30 carats, set throughout with round cut diamonds totalling 3.8-4.0 carats, accented by further round cut aquamarines, stamped PLAT, 5.4cm, 28.5g.

Estimate £2,000 - £3,000

CARTIER, A VINTAGE EMERALD AND ENAMEL CHICK AND EGG BROOCH in 18ct yellow gold, designed as chicks hatching from an egg, the chick eyes set with round and oval cut emeralds, the eggs decorated with white and orange enamel, signed Cartier, Cartier mak

Estimate £6,000 - £8,000

A LARGE AQUAMARINE BROOCH in platinum, set with a cushion cut aquamarine of approximately 64.55 carats, no assay marks, 2.9cm, 18.8g. 

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND AND IMPERIAL TOPAZ BOW BROOCH in yellow gold and silver, designed as a bow set throughout with old and rose cut diamonds, suspending a pear cut imperial topaz drop of approximately 7.50 carats, no assay marks, 3.8cm, 6.3g. 

Estimate £5,000 - £7,000

ATTR KARL ROTHMULLER, AN ANTIQUE NATURAL SALTWATER PEARL, DEMANTOID GARNET AND DIAMOND BROOCH in yellow gold, designed as a stylised leaf set with pearls, accented by round cut demantoid garnets and rose cut diamonds, no assay marks, 4.2cm, 11.3g. Ac

Estimate £4,000 - £6,000

A VINTAGE FRENCH DIAMOND FLOWER BROOCH in 18ct yellow gold, the articulated petals set to the centre with an articulated cluster of round brilliant cut diamonds, French maker's mark, French assay marks, 7.5cm, 35.4g. 

Estimate £4,000 - £6,000

AN IMPORTANT BELLE EPOQUE CEYLON NO HEAT SAPPHIRE, DIAMOND AND PEARL BROOCH in platinum and yellow gold, in foliate design set with an oval cut sapphire of 14.80 carats accented by round brilliant, old and rose cut diamonds, the diamonds totalling ap

Estimate £60,000 - £80,000

AN ANTIQUE DIAMOND HOLLY BROOCH in yellow gold and silver, designed as a sprig of three holly leaves, accented throughout with old cut diamonds all totalling 5.8-6.2 carats, no assay marks, 6.7cm, 14.5g. 

Estimate £4,000 - £6,000

A FINE BELLE EPOQUE CONCH PEARL AND DIAMOND BOW BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, designed as a bow set throughout with old cut diamonds all totalling 8.0-9.0 carats, suspending a conch pearl drop of 13.3mm, no assay marks, 7.0c

Estimate £20,000 - £25,000

AN ANTIQUE AMETHYST AND PEARL CLUSTER BROOCH in 14ct yellow gold, set with a cushion cut amethyst of approximately 40.15 carats in a cluster of pearls, marked indistinctly, 3.3cm, 19.1g. Accompanied by a fitted box. 

Estimate £2,000 - £3,000

BULGARI, A VINTAGE ENAMEL, EMERALD AND DIAMOND LEOPARD BROOCH  in 18ct yellow gold, designed as a prowling leopard, the eyes set with round cut emeralds, the spots with black enamel and the tail with round brilliant cut diamonds, signed Bvlgari, stam

Estimate £10,000 - £15,000

A FINE ANTIQUE DIAMOND EN TREMBLANT FLORAL SPRAY BROOCH in yellow gold and silver, designed as a floral spray set throughout with old cut diamonds, the diamonds all totalling 14.0-16.0 carats, the principal flower set en tremblant, no assay marks, 7.

Estimate £8,000 - £12,000

CARTIER, A RUBY PENGUIN BROOCH in 18ct yellow gold, designed as a stylised penguin, the body formed of twisted wirework and the eye set with a round cut ruby, signed Cartier Paris and numbered, French assay marks, 3.5cm, 13.2g.

Estimate £2,000 - £3,000

A PINK TOURMALINE AND DIAMOND BROOCH in yellow gold and silver, designed as a stylised fleur de lis set throughout with rose cut diamonds, suspending an oval cut pink tourmaline of 6.90 carats in a border of further rose cut diamonds, the diamonds al

Estimate £2,000 - £3,000

AN ENAMEL, SAPPHIRE AND DIAMOND HIBISCUS FLOWER BROOCH in 18ct white and yellow gold, set with a row of cabochon sapphires accented by pave set round brilliant cut diamonds, the petals decorated with red, black and yellow enamel, the stem pave set th

Estimate £6,000 - £8,000

AN ANTIQUE DIAMOND SPRAY BROOCH in yellow gold and silver, designed as a floral spray with the flowers set en tremblant, set throughout with old and rose cut diamonds all totalling 7.5-8.0 carats, no assay marks, 9.8cm, 27.3g. 

Estimate £10,000 - £15,000

AN ANTIQUE DIAMOND, SAPPHIRE, RUBY AND EMERALD CLOVER BROOCH in yellow gold and silver, the three leaf clover motif set with a cabochon sapphire, ruby and emerald, within a border of old cut diamonds, the diamonds all totalling 2.0-2.5 carats, no ass

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND LEAF BROOCH in 18ct yellow gold and silver, designed as a leaf set throughout with old and single cut diamonds, the diamonds all totalling 5.0-5.5 carats, no assay marks, 5.4cm, 16.7g. 

Estimate £4,000 - £6,000

A RUBY AND DIAMOND PEACOCK FEATHER BROOCH in yellow gold and silver, set with a pear cut ruby in a border of round brilliant cut diamonds and calibre cut rubies, accented throughout with further round brilliant cut diamonds and calibre cut rubies, no

Estimate £6,000 - £8,000

A SAPPHIRE, EMERALD, DIAMOND AND  RUBY FLOWER BROOCH in yellow gold, designed as a bouquet of flowers, each set with a round cut ruby in a cluster of single and round brilliant cut diamonds and cushion cut sapphires, the leaves set with carved emeral

Estimate £12,000 - £16,000

AN ANTIQUE RUBY, DIAMOND AND PEARL FLOWER BROOCH in yellow gold and silver, set to the centre with a cushion cut ruby of approximately 1.40 carats, accented by old cut diamonds and pearls, no assay marks, 4.0cm, 7.9g. 

Estimate £3,000 - £5,000

AN ANTIQUE GARNET GIRANDOLE BROOCH, 18TH CENTURY in silver, the articulated body set throughout with round, cushion and pear cut garnets, no assay marks, 6.2cm, 13.0g. 

Estimate £2,000 - £3,000

MIKIMOTO, A ROCK CRYSTAL, JADEITE JADE, DIAMOND AND ENAMEL BOW BROOCH in 18ct yellow and white gold, set with sections of polished and frosted rock crystal and a polished knot of jadeite jade, accented by blue enamel and rows of round brilliant cut d

Estimate £1,500 - £2,500

LALIQUE, AN ANTIQUE ART NOUVEAU GLASS FISH BROOCH the circular body set with a glass designed as three fish over a green background, signed LALIQUE, no assay marks, 4.5cm, 22.6g. 

Estimate £4,000 - £6,000

CARTIER, A VINTAGE RUBY AND DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as a flower with articulated mesh petals, set to the centre with a cluster of round cut rubies and round brilliant cut diamonds, signed Cartier, French assay marks, 7.0cm

Estimate £5,000 - £7,000

A FINE ANTIQUE DIAMOND AND DEMANTOID GARNET KNOT BROOCH, POSSIBLY RUSSIAN in 18ct yellow gold, set with an old cut diamond of approximately 0.90 carats and a round cut demantoid garnet of approximately 0.70 carats on an intertwined wire mount, appare

Estimate £4,000 - £6,000

A VINTAGE EBONY, DIAMOND AND ONYX BLACKAMOOR BROOCH in 18ct yellow and white gold and platinum, comprising a carved ebony bust, the turban set with a pear cut diamond accented by rows of old cut diamonds, the earrings set with old cut diamonds, the g

Estimate £6,000 - £8,000