AN ANTIQUE RUBY, MOTHER OF PEARL, ENAMEL AND DIAMOND HEART BROOCH / PENDANT in yellow gold, set with a cushion cut ruby over a ground of mother of pearl, in a border of red guilloche enamel, surmounted by a bow set with rose cut diamonds, no assay ma

Estimate £300 - £500

A DIAMOND AND RUBY FLEUR DE LIS JABOT PIN in white gold and platinum, comprising two fleur de lis motifs set throughout with old and single cut diamonds, accented by trios of round cut rubies, the diamonds all totalling 1.5-1.7 carats, no assay marks

Estimate £1,000 - £1,500

AN ANTIQUE CONCH PEARL, DIAMOND AND PEARL BROOCH in yellow gold, designed as a flower set to the centre with a conch pearl in a floral surround set with pearls and old cut diamonds, no assay marks, 4.2cm, 19.2g. 

Estimate £2,500 - £3,500

A VINTAGE RUBY AND ENAMEL LEOPARD BROOCH in 18ct yellow gold, designed as a prowling leopard relieved in black enamel, the eye set with a round cut ruby, full British hallmarks for London 1970, 5.1cm, 9.1g. 

Estimate £600 - £800

A MODERNIST GEMSET BROOCH in 18ct yellow gold, the rectangular openwork brooch set with cabochon moonstones, green tourmaline, amethyst, sapphire, star ruby and emerald, accented by a rectangular step cut green tourmaline, a rutilated quartz and roun

Estimate £1,000 - £1,500

A FINE ANTIQUE PERIDOT AND DIAMOND BROOCH in yellow gold and silver, set with an octagonal step cut peridot of approximately 18.22 carats, in a scrolling border set with old and rose cut diamonds, no assay marks, 3.9cm, 12.0g.

Estimate £3,000 - £5,000

AN ANTIQUE ART DECO AGATE, DIAMOND AND SAPPHIRE FOX TERRIER BROOCH in platinum, comprising a finely carved agate fox terrier head set with onyx eyes and nose, in a frame of single cut diamonds and calibre cut sapphires, the dog's collar set with furt

Estimate £4,000 - £6,000

A FINE ANTIQUE RUBY AND DIAMOND SNAKE BROOCH in yellow gold, designed as a coiled engraved snake, the head set with a cushion cut ruby and an old cut diamond, the eyes set with cabochon rubies, no assay marks, 3.5cm, 9.1g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN PINK TOPAZ SNAKE BROOCH in yellow gold, designed as two coiled snakes set with pear shaped pink topaz, the eyes accented by emeralds, the topaz estimated to total 12.0-14.0 carats, no assay marks, 5.7cm, 22.5g. 

Estimate £6,000 - £8,000

TIFFANY & CO, A NATURAL SALTWATER PEARL AND ENAMEL FLOWER BROOCH in yellow gold, designed as a flower set with a pearl of 8.9mm, the petals relieved in black enamel, signed Tiffany & Co, no assay marks, 4.0cm, 12.8g. Accompanied by a gemmological rep

Estimate £3,000 - £5,000

A FINE DIAMOND PLAQUE BROOCH set centrally with an old European cut diamond to an openwork body set with single cut and baguette cut diamonds, all totalling 7.0-7.5 carats, no assay marks, 7.4cm, 25.0g.

Estimate £4,000 - £6,000

A RUBY, SPINEL AND DIAMOND BAR BROOCH in white gold, set with a graduating row of cushion cut rubies and spinels, accented by pairs of old cut diamonds, no assay marks, 6.7cm, 5.1g. 

Estimate £600 - £800

AN IMPORTANT ANTIQUE DIAMOND AND ENAMEL BROOCH, LATE 18TH CENTURY in yellow gold, set to the centre with a rose cut diamond on a ground of blue guilloche enamel accented by graduating rows of rose cut diamonds in a further border of rose cut diamonds

Estimate £25,000 - £35,000

AN ANTIQUE DIAMOND AND PEARL HORSESHOE BROOCH in yellow gold, designed as two horseshoe motifs set with old cut diamonds and pearls, accented by further pearls, no assay marks, 3.6cm, 3.3g. 

Estimate £250 - £350

A FINE ANTIQUE DIAMOND CORONET BROOCH in yellow gold, designed as a coronet set throughout with old and rose cut diamonds, the diamonds all totalling 1.8-2.0 carats, no assay marks, 2.6cm, 4.2g. 

Estimate £2,000 - £3,000

AN ANTIQUE ROYAL EMPEROR WILLIAM I OF GERMANY CYPHER BROOCH in yellow gold, designed as the WRI cypher of Emperor William I of Germany relieved in blue and red enamel, surmounted by the German State Crown, in a scrolling border set with round cut rub

Estimate £1,000 - £1,500

AN ANTIQUE PASTE BROOCH in silver, set throughout with cushion, marquise and fancy cut colourless paste stones, no assay marks, 5.4cm, 13.5g.

Estimate £200 - £300

AN ANTIQUE DIAMOND, PEARL AND ENAMEL SWORD BROOCH in yellow gold, designed as a sword set throughout with old cut diamonds and seed pearls, the hilt decorated with white enamel, no assay marks, 10.0cm, 7.4g.

Estimate £400 - £600

A FINE ANTIQUE ROCK CRYSTAL, DIAMOND, PEARL AND ENAMEL SWEETHEART BROOCH in yellow gold, set with a polished rock crystal, with an applied sweetheart motif set with rose cut diamonds, in a border of red and white enamel accented by pearls, no assay m

Estimate £1,000 - £1,500

AN ANTIQUE OPAL AND DIAMOND BROOCH in yellow gold, designed as an open circle set with opals and accented by rose cut diamonds, no assay marks, 2.7cm, 4.8g. 

Estimate £200 - £300

AN ANTIQUE PORTUGUESE TOPAZ GIRANDOLE BROOCH, CIRCA 1800 in silver, the ribbon and floral motifs set with round, cushion, step and pear cut topaz, suspending a detachable articulated pear shaped topaz cluster drop, no assay marks, 6.5cm, 34.8g.

Estimate £2,000 - £3,000

AN ANTIQUE LABRADORITE AND DIAMOND MONKEY BAR BROOCH in yellow gold, set with a carved labradorite monkey head, the eyes set with rose cut diamonds, no assay marks, 4.0cm, 3.5g. 

Estimate £800 - £1,200

A JADEITE JADE BRACELET in white gold, set with a row of five oval jadeite jade plaques carved to depict foliage, no assay marks, 19.0cm, 11.7g.

Estimate £250 - £350

A BLUE ZIRCON AND DIAMOND DOUBLE CLIP BROOCH the scrolling brooch set with round cut blue zircons accented by old cut diamonds, detaching from the frame to form two clip brooches, no assay marks, 5.0cm, 14.9g.

Estimate £1,500 - £2,500

A BELLE EPOQUE DIAMOND BROOCH in platinum and yellow gold, the openwork brooch set throughout with old and rose cut diamonds, no assay marks, 5.8cm, 7.7g. 

Estimate £300 - £500

CARTIER, AN ART DECO CORAL, DIAMOND, PEARL AND ENAMEL BLACKAMOOR BROOCH in 18ct yellow gold, the black enamelled face surmounted by a turban relieved in white and black enamel, accented by rose cut diamonds and coral, the earrings set with pearls, si

Estimate £3,000 - £5,000

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold, set with five cushion cut sapphires, accented by old cut diamonds, the sapphires all totalling 1.4-1.5 carats, no assay marks, 3.2cm, 3.5g.

Estimate £250 - £350

A VINTAGE DIAMOND LEAF BROOCH in 18ct yellow gold, designed as a stylised openwork leaf set with round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, stamped 750, 5.3cm, 11.1g.

Estimate £200 - £300

A FINE ANTIQUE BURMA NO HEAT SAPPHIRE AND DIAMOND BROOCH in yellow gold, set with a cabochon sapphire of 6.14 carats in a cluster of rose cut diamonds, the diamonds all totalling 1.4-1.6 carats, no assay marks, 2.1cm, 4.9g. Accompanied by a gemmologi

Estimate £1,000 - £1,500

AN ANTIQUE TURQUOISE AND DIAMOND BROOCH in yellow gold and silver, the openwork brooch designed as a stylised flower set with oval and marquise cabochon turquoise, accented by rose cut diamonds, no assay marks, 2.2cm, 4.4g. 

Estimate £250 - £350

AN ANTIQUE TOPAZ AND PEARL CLUSTER BROOCH in yellow gold, set with an oval cut yellow topaz of approximately 4.51 in a cluster of pearls, no assay marks, 3.1cm, 10.4g. 

Estimate £2,000 - £3,000

AN ANTIQUE SAPPHIRE, PEARL AND DIAMOND BAR BROOCH in yellow gold, designed as a row of old cut diamonds, terminating at each end with a hoop set with a round cabochon sapphire and a pearl, no assay marks, 4.0cm, 5.2g.

Estimate £400 - £600

A FINE ANTIQUE INTAGLIO BROOCH / PENDANT, 19TH CENTURY in yellow gold, set with seven carnelian, amethyst, agate and green hardstone intaglios carved to depict the heads of classical figures, accented by twisted wirework, no assay marks, 4.0cm, 12.3g

Estimate £3,000 - £5,000

A RUBY AND DIAMOND BAR BROOCH in white gold, set with a row of oval cut rubies, accented by pairs of old cut diamonds, the rubies all totalling 3.1-3.3 carats, no assay marks, 5.4cm, 5.2g.

Estimate £500 - £700

A DIAMOND BUTTERFLY BROOCH in 18ct white gold, designed as a butterfly pave set with round brilliant cut diamonds, the head set with a round brilliant cut diamond, stamped K18WG, 4.1cm, 10.4g. 

Estimate £500 - £700

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and silver, set with an old cut diamond of approximately 0.33 carats, accented by a row of further old cut diamonds and rectangular step cut sapphires, terminating at each end with a fancy cut

Estimate £300 - £500

A DIAMOND DOG BROOCH in yellow gold, designed as a textured dog, the eyes set with rose cut diamonds, no assay marks, 2.5cm, 9.2g.

Estimate £500 - £700

AN ANTIQUE AGATE CAMEO BROOCH in yellow gold, set with an oval agate cameo carved to depict the profile of a classical lady, in an ornate foliate border, no assay marks, 4.5cm, 12.8g.

Estimate £800 - £1,200

AN OPAL DOUBLET AND DIAMOND INSECT BROOCH in yellow and white gold, designed as a winged insect, the body set with an opal doublet accented by round brilliant and single cut diamonds, no assay marks, 3.8cm, 8.2g.

Estimate £1,000 - £1,500

AN ANTIQUE ENAMEL AND AGATE CAMEO BROOCH in yellow gold, set with an agate cameo carved to depict the profile of a classical woman, within a border of white enamel, no assay marks, 4.2cm, 18.6g.

Estimate £600 - £800

A RUBY, DIAMOND AND PEARL CLOVER BAR BROOCH in 18ct yellow gold, set with a row of square step cut rubies and rose cut diamonds, accented by pearls in a clover motif, stamped 750, 8.6cm, 6.8g.

Estimate £400 - £600

AN ANTIQUE DIAMOND JABOT PIN BROOCH in white gold and silver, in openwork lattice design, set throughout with old and rose cut diamonds, no assay marks, 6.5cm, 6.5g.

Estimate £250 - £350

AN ANTIQUE EGYPTIAN REVIVAL BROOCH in yellow gold, set a brown hardstone carved to depict a scarab, accented by wings and snake motifs, no assay marks, 5.6cm, 8.2g.

Estimate £400 - £600

AN ANTIQUE DIAMOND FLORAL SPRAY BROOCH in yellow gold and silver, designed as a floral spray set throughout with rose cut diamonds, the diamonds all totalling 3.0-4.0 carats, no assay marks, 5.6cm, 11.9g. 

Estimate £300 - £500

AN ANTIQUE SPINEL, OPAL AND DIAMOND INSECT BROOCH in yellow gold and silver, designed as two winged insects connected by chain, set with cushion cut spinels, rose cut diamonds and cabochon opals, no assay marks, 6.5cm, 5.3g. 

Estimate £2,000 - £3,000

A RUBY, DEMANTOID GARNET, SAPPHIRE AND PEARL CROWN BROOCH in yellow gold and silver, designed as a crown set with round cut rubies, round cut demantoid garnets and a pearl, accented by bunting set with round cut sapphires, the bar accented by further

Estimate £400 - £600

A GOLD HORSE BROOCH in 9ct yellow gold, designed as two galloping horses, full British hallmarks, 5.1cm, 16.1g.

Estimate £500 - £700

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH, EARLY 19TH CENTURY in scrolling foliate design, set to the centre with an oval cabochon sapphire of approximately 7.16 carats accented by rose cut diamonds, the diamonds all totalling 3.0-4.0 carats, no assay m

Estimate £2,000 - £3,000

A VINTAGE MULTIGEM AND ENAMEL HARLEQUIN BROOCH in yellow gold, designed as the bust of a Venetian harlequin, set throughout with round cut diamonds, emeralds, sapphires, rubies and pearls, accented by black, white, green and brown enamel, no assay ma

Estimate £2,000 - £3,000

AN ANTIQUE GARNET AND DIAMOND BROOCH in yellow gold and silver, designed as a stylised flower set with five pear cut garnets accented by old cut diamonds, no assay marks, 2.7cm, 7.0g.

Estimate £800 - £1,200

A GEMSET PARROT BROOCH in yellow gold, designed as a parrot perching on a pearl, the body set throughout with rose cut diamonds, the wings and tail set with sapphires, rubies, and emeralds, no assay marks, 5.1cm, 6.0g.

Estimate £2,000 - £3,000

A DIAMOND AND RUBY DOG BROOCH in yellow gold and silver, designed as a Pekingese, set throughout with round brilliant cut diamonds, the eyes set with round cabochon rubies, the diamonds all totalling 1.1-1.2 carats, no assay marks, 2.9cm, 6.9g.

Estimate £1,000 - £1,500

AN ANTIQUE GARNET, MOONSTONE AND DIAMOND INSECT BROOCH in yellow gold and silver, designed as a winged insect, the body set with a cushion cut garnet and a cabochon moonstone, the wings set with rose cut diamonds, no assay marks, 4.3cm, 9.6g. 

Estimate £1,500 - £2,500

A RETRO DIAMOND BOW BROOCH / PENDANT in yellow gold, designed as a stylised bow set with single cut diamonds, suspending two rows of snake links terminating with tapering drops set with further single cut diamonds, no assay marks, 8.1cm, 28.2g. 

Estimate £1,000 - £1,500

A GARNET AND DIAMOND TURTLE BROOCH in yellow gold and silver, the shell set with a cabochon garnet in a border of rose cut diamonds, the articulated head, tail and limbs set with further rose cut diamonds, no assay marks, 3.8cm, 10.6g.

Estimate £500 - £700

A VINTAGE GOLD MARE AND FOAL HORSE BROOCH in 9ct yellow gold, designed as a mare standing with her foal, A & W maker's mark, full British hallmarks for Birmingham 1973, 3.3cm, 14.4g.

Estimate £500 - £700

AN ANTIQUE PEARL AND DIAMOND FLOWER BASKET BROOCH designed as an openwork basket of flowers set with four pearls, the flowers set with rose cut diamonds, accented by further diamonds and a pearl, pin signed Tiffany & Co, no assay marks, 2.7cm, 4.8g.

Estimate £500 - £700

CARTIER, A VINTAGE RUBY, CHRYSOPRASE AND DIAMOND TUTTI FRUTTI BROOCH designed as a Japanese bonsai tree, the body jewelled with round cut diamonds, the leaves and flowers set with cabochon chrysoprase and rubies, signed Cartier and numbered, 2.7cm, 7

Estimate £10,000 - £15,000

AN ANTIQUE PINK TOURMALINE, PEARL AND ENAMEL BROOCH in yellow gold, set with an oval cut pink tourmaline of approximately 11.46 carats, in a border of green enamel and pearls, no assay marks, 2.6cm, 7.6g.

Estimate £2,000 - £3,000

A DIAMOND AND ENAMEL TIGER BROOCH in 14ct yellow gold, designed as a tiger accented by black enamel stripes, green enamel eyes and red enamel mouth, the collar set with single cut diamonds, stamped 585, 4.7cm, 25.6g.

Estimate £800 - £1,200