AN ANTIQUE DIAMOND CRESCENT MOON BROOCH in yellow gold and silver, designed as a crescent moon set with two rows of old cut diamonds all totalling 3.2-3.5 carats, no assay marks, 3.1cm, 7.3g.

Estimate £3,000 - £5,000

A FINE ANTIQUE BELLE EPOQUE CEYLON NO HEAT SAPPHIRE AND DIAMOND BROOCH in yellow gold and platinum, comprising two bow motifs connected by a garland, suspending a foliate swag and two oval cut sapphires of approximately 11.15 and 7.32 carats, accente

Estimate £20,000 - £30,000

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

AN ANTIQUE PEARL AND DIAMOND CRESCENT MOON BROOCH in yellow gold and silver, designed as a crescent moon set with a graduating row of pearls ranging from 3.0mm to 6.4mm within a border of rose cut diamonds, no assay marks, 4.1cm, 13.4g.

Estimate £3,000 - £5,000

AN ONYX, RUBY AND DIAMOND BROOCH in white gold and platinum, comprising a polished onyx disc set with rows of single cut diamonds and square step cut rubies, no assay marks, 4.5cm, 13.1g. 

Estimate £2,000 - £3,000

A FINE DIAMOND SPRAY BROOCH in platinum, set with a cluster of pear and marquise brilliant cut diamonds, the diamonds all totalling 26.0-28.0 carats, no assay marks, 6.9cm, 37.4g. 

Estimate £30,000 - £35,000

CARTIER, A VINTAGE CHARM BROOCH in 18ct yellow gold, designed as a safety pin suspending three charms designed as a teddy bear, a baby carriage and a rocking horse, signed Cartier and numbered, stamped 750, 5.3cm, 20.0g.

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND, RUBY AND PEARL SWALLOW BROOCH in yellow gold, designed as a pair of swallows in flight, jewelled throughout with rose cut diamonds, suspending a round cut ruby and a pearl drop, maker's mark ETC, 5.1cm, 8.1g.

Estimate £2,500 - £3,500

TIFFANY & CO., A VINTAGE KNOT BROOCH in 14ct yellow gold, in a stylised knot design, signed Tiffany & Co., no assay marks, 3.7cm, 15.8g.

Estimate £1,000 - £1,500

A PAIR OF ANTIQUE DIAMOND AND ENAMEL HORSE AND JOCKEY BROOCHES in yellow gold and silver, the horses jewelled with with old, single and rose cut diamonds, the riders relieved in varicoloured enamel, no assay marks, 4.5cm and 3.4cm, total weight 11.0g

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND RUBY STAR BROOCH in 18ct yellow gold and platinum, designed as an openwork star set with old cut diamonds and calibre cut rubies, the diamonds all totalling 1.3-1.5 carats, French import marks, 4.5cm, 8.3g.

Estimate £4,000 - £6,000

BULGARI, A VINTAGE RUBY, DIAMOND AND EMERALD BROOCH in 18ct yellow gold, set with round brilliant and baguette cut diamonds, terminating at each end with a round cabochon emerald, suspending an oval cabochon ruby drop of 10.30 carats, accented by a r

Estimate £8,000 - £12,000

AN ANTIQUE DIAMOND CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon set with two rows of rose cut diamonds, no assay marks, 4.0cm, 8.9g.

Estimate £3,000 - £5,000

E. WOLFE & CO., A VINTAGE DIAMOND AND RUBY GIRAFFE BROOCH in 18ct yellow and white gold, the giraffe’s mane and horns set with round brilliant cut diamonds, its body with engraved spots, the eyes set with round cabochon rubies, stamped 750, EW & CO m

Estimate £2,000 - £3,000

A VINTAGE TURQUOISE AND DIAMOND BEETLE BROOCH in 18ct yellow gold, the body set with a carved turquoise, the head pave set with round brilliant cut diamonds, stamped K18, 3.0cm, 10.6g

Estimate £1,500 - £2,500

AN ANTIQUE AUSTRIAN NATURAL PEARL AND DIAMOND FLORAL SPRAY BROOCH in yellow gold and silver, the stem set with rose, round and old European cut diamonds all totalling 3.5-3.8 carats, suspending two natural pearls measuring 15.3mm and 13.5mm respectiv

Estimate £15,000 - £25,000

AN ANTIQUE FRENCH DIAMOND AND PAINTED MINIATURE BROOCH, 19TH CENTURY in yellow gold and silver, set with a painted miniature depicting a landscape scene with a man playing the guitar to a woman, in a frame of rose cut diamonds, no assay marks, 3.8cm,

Estimate £1,500 - £2,500

A LARGE ANTIQUE DIAMOND AND NATURAL PEARL FLORAL SPRAY BROOCH in yellow gold and silver, designed as a spray of flowers set throughout with old cut diamonds, accented by pearls ranging from 4.9-10.4mm, the diamonds all totalling 7.0-8.0 carats, no as

Estimate £15,000 - £20,000

VOURAKIS, A VINTAGE DIAMOND FLOWER BROOCH in 18ct yellow gold and platinum, designed as a stylised flower the petals pave set throughout with round brilliant cut diamonds accented by ropework borders, the diamonds all totalling 9.8-10.2 carats, signe

Estimate £6,000 - £8,000

A VINTAGE LAPIS LAZULI AND DIAMOND GEISHA BROOCH in 18ct yellow gold, designed as a Japanese Geisha carved from lapis lazuli and accented by round brilliant cut diamonds, pin stamped 750, 7.1cm, 32.8g. 

Estimate £2,000 - £3,000

HERMES, A PLIQUE A JOUR ENAMEL AND TURQUOISE BROOCH in 18ct yellow gold, designed as a bouquet of flowers, each flower set with a cabochon turquoise accented by multicoloured plique-a-jour enamel petals, signed Hermes Paris, French assay marks, 4.5cm

Estimate £3,000 - £5,000

AN ANTIQUE NATURAL PEARL, RUBY, AND DIAMOND BROOCH in 18ct yellow gold and silver, set with a blister pearl of in a border of round cut rubies in a further border of rose cut diamonds, French assay marks, 4.0cm, 17.1g. Accompanied by a facsimile cert

Estimate £6,000 - £8,000

AN ART DECO DIAMOND AND SAPPHIRE CIRCLE BROOCH in platinum, designed as an openwork circle set with old European and baguette cut diamonds, the central plaque set with a princess cut diamond accented by square step cut sapphires and single cut diamon

Estimate £2,500 - £3,500

VAN CLEEF & ARPELS, A VINTAGE CORAL AND DIAMOND BROOCH in 18ct yellow gold, the tapering bar set with a cabochon coral accented on each side by an old cut diamond, signed VCA and numbered, French assay marks, 6.3cm, 8.0g. 

Estimate £1,200 - £1,800

A DIAMOND, RUBY AND MOONSTONE BEETLE BROOCH in 14ct yellow gold, the body set with old cut diamonds, the wings set with cabochon moonstones, the eyes set with round cut rubies, stamped 14K, 3.5cm, 10.6g.

Estimate £3,000 - £5,000

MAUBOUSSIN, A VINTAGE RUBELITE TOURMALINE AND DIAMOND BIRD BROOCH in 18ct yellow gold, designed as a bird in flight, the body set with a fancy cut rubellite tourmaline, the engraved gold wings accented by round brilliant cut diamonds, signed Maubouss

Estimate £12,000 - £18,000

AN ANTIQUE FRENCH ONYX, DIAMOND AND PEARL VASE BROOCH in 18ct white gold, designed as a vase set with an onyx plaque, accented by rose cut diamonds and pearls, partially obscured French maker’s mark, French assay marks, 4.3cm, 7.7g.

Estimate £800 - £1,200

AN ANTIQUE DIAMOND BOW BROOCH in yellow gold and silver, designed as a bow set with old and rose cut diamonds suspending a briolette cut diamond drop of approximately 2.10 carats, no assay marks, 2.9cm, 4.8g. 

Estimate £4,000 - £6,000

A VINTAGE DIAMOND SPRAY BROOCH in 18ct white gold, designed as a stylised bouquet, set throughout with baguette cut diamonds accented by a row of marquise cut diamonds, the diamonds all totalling 7.5-8.0 carats, no assay marks, 6.0cm, 23.5g.

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND HEART BROOCH / PENDANT in yellow gold and silver, the openwork heart set with rose cut diamonds and surmounted by a motif of a torch and a quiver of arrows, the diamonds totalling 2.5-3.0 carats, no assay marks, 5.2cm, 19.4g. 

Estimate £2,500 - £3,500

AN ART DECO DIAMOND CIRCLE BROOCH in platinum, designed as an openwork circle set with old European, baguette and single cut diamonds, no assay marks, 3.5cm, 8.7g. 

Estimate £2,500 - £3,500

A VINTAGE RUBY, TURQUOISE AND DIAMOND BROOCH in yellow gold, in abstract design set with cabochon rubies and turquoise accented by round brilliant cut diamonds, no assay marks, 7.7cm, 54.8g. 

Estimate £4,000 - £6,000

EMIS, A PAIR OF ONYX, FIRE OPAL AND DIAMOND BROOCHES in 18ct yellow gold, in modernist design, each set with polished onyx and fancy cut fire opals accented by round brilliant cut diamonds, signed Emis, stamped 18K, 6.0cm, 89.7g. 

Estimate £10,000 - £15,000

CARTIER, A VINTAGE RUBY AND DIAMOND BIRD BROOCH in 18ct yellow gold, designed as a bird perched on a branch accented by a row of round brilliant cut diamonds, the eye set with a rectangular step cut ruby, the branch and tail set with a round brillian

Estimate £8,000 - £12,000