A LARGE FRENCH ART DECO SAPPHIRE, EMERALD AND DIAMOND BAR BROOCH in platinum, comprising a row of alternating rectangular step cut sapphires and emeralds, accented on each end by an old cut diamond, in a border of rose cut diamonds, indistinct French

Estimate £800 - £1,200

AN ANTIQUE GEORGIAN MULTIGEM BROOCH in yellow gold, set with an octagonal step cut rubellite tourmaline, in a cannetille style border accented by round cabochon turquoise, suspending three pear cut foiled topaz drops, no assay marks, 4.6cm, 10.8g. 

Estimate £1,500 - £2,500

A FINE ART DECO EMERALD AND DIAMOND BAR BROOCH in white gold, set with a row of octagonal step cut emeralds, in a border of old and round cut diamonds, no assay marks, 6.4cm, 6.2g. 

Estimate £1,500 - £2,500

A VINTAGE DIAMOND LILAC SPRAY BROOCH designed as a bouquet of lilacs tied with a bow, set with round brilliant and baguette cut diamonds all totalling 6.5-7.0 carats, signed HAB, no assay marks, 8.5cm, 29.7g.

Estimate £2,500 - £3,500

GUBELIN, A VINTAGE DIAMOND SPRAY BROOCH designed as a stylised foliate spray set with round brilliant cut diamonds, the diamonds all totalling 1.7-1.9 carats, signed Gubelin and numbered, stamped 750, 7.0cm, 16.8g. 

Estimate £1,000 - £1,500

BUCCELLATI, A VINTAGE RUBY DOG BROOCH designed as a dog with a collar, the eyes and nose set with round cut rubies, signed Buccellati, no assay marks, 4.4cm, 17.8g. 

Estimate £3,000 - £5,000

AN ANTIQUE EMERALD AND DIAMOND GRIFFIN BROOCH in yellow gold, designed as a griffin set with a round cabochon emerald and old cut diamonds, no assay marks, 3.2cm, 20.3g. 

Estimate £1,500 - £2,500

A PAIR OF DIAMOND CLIP BROOCHES each openwork clip in identical design, set throughout with single cut diamonds and accented by baguette cut diamonds, the diamonds all totalling 5.5-6.5 carats, no assay marks, 3.5cm each, total weight 27.0g. 

Estimate £5,000 - £7,000

MARCUS, AN ART DECO RUBY AND DIAMOND BAR BROOCH in platinum and white gold, set with transitional cut diamonds and French cut rubies, signed MARCUS, no assay marks, 4.9cm, 4.8g. 

Estimate £800 - £1,200

LUCIEN DONIO, AN ART DECO ENAMEL BROOCH in yellow gold, the geometric brooch comprising a circular etched panel, accented by a dragon and chrysanthemums decorated with green and black enamel, signed L. Donio Paris, French assay marks, 7.1cm, 22.7g. 

Estimate £2,500 - £3,500

A RETRO SAPPHIRE AND DIAMOND FLOWER BROOCH designed as a flower, the flower head set with a cluster of round cut diamonds, accented by old and rose cut diamonds, no assay marks, 6.4cm, 10.8g. 

Estimate £500 - £700

AN ANTIQUE EGYPTIAN REVIVAL HARDSTONE SCARAB BROOCH set with a blue hardstone carved to depict a scarab, accented by snakes and wings, carved to the reverse with hieroglyphs, no assay marks, 5.6cm, 6.9g. 

Estimate £500 - £700

AN ANTIQUE PASTE ST ESPRIT BROOCH / PENDANT, 19TH CENTURY in silver, the articulated body formed of openwork links, the central ribbon and bow motif suspending a dove, holding a branch in its mouth, jewelled throughout with single cut and old cut pas

Estimate £1,000 - £1,500

AN ANTIQUE RUBY, SAPPHIRE AND DIAMOND PHEASANT BROOCH in 18ct yellow gold and silver, designed as a pheasant set throughout with variously cut sapphires and rubies, old and rose cut diamonds, the eye set with a round cabochon ruby, French import mark

Estimate £5,000 - £7,000

AN ORANGE AND YELLOW SAPPHIRE ROSE BROOCH designed as a rose set with various shaked of round cut orange and yellow sapphires, stamped 750, 5.8cm, 43.1g. 

Estimate £1,200 - £1,600

AN ART DECO SAPPHIRE AND DIAMOND BOW BROOCH in platinum and 18ct white gold, designed as a stylised bow set with calibre cut sapphires and old and single cut diamonds, French import marks, 5.3cm, 8.9g. 

Estimate £2,000 - £3,000

A CHALCEDONY, DIAMOND AND ONYX BROOCH / PENDANT set with a cabochon chalcedony, the scrolling border set with round brilliant cut diamonds accented by polished onyx, inscribed D0.87 32.46, stamped K18WG, 3.7cm, 13.6g. 

Estimate £800 - £1,200

AN ANTIQUE FRENCH DIAMOND BROOCH in yellow gold and silver, the openwork scrolling brooch set throughout with old and rose cut diamonds, suspending an articulated drop set with a further old cut diamond, brooch fitting with French assay marks, 5.1cm,

Estimate £4,000 - £6,000

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH set with a pearl of 8.2mm in a double border of old cut diamonds and further pearls, the diamonds all totalling 2.5-3.0 carats, no assay marks, 2.7cm, 8.5g. Accompanied by a gemmological report st

Estimate £4,000 - £6,000

HARRIET GLEN, A HORSE BROOCH in 9ct yellow gold, designed as six horses' heads, the eyes set with round cut sapphires, maker's mark, full British hallmarks, 6.5cm, 15.5g. 

Estimate £600 - £800

AN ANTIQUE PERIDOT AND DIAMOND BROOCH set with a fancy cut peridot of approximately 4.30 carats accented by old and rose cut diamonds, no assay marks, 3.6cm, 6.0g. 

Estimate £600 - £800

ADLER, A COLOURED DIAMOND SAFETY PIN BROOCH in 18ct white gold, designed as a safety pin, set with round brilliant cut white and cognac coloured diamonds, signed Adler, full British hallmarks, stamped 750, 5.9cm, 8.7g. 

Estimate £1,800 - £2,200

A GEMSET JARDINIERE BROOCH, 1950S in 18ct white gold, modelled as plant in a stemmed pot, set with carved rubies, cabochon sapphires and emeralds and brilliant and baguette cut diamonds, indistinct assay mark, stamped 750, 3.3cm, 10.6g.

Estimate £2,500 - £3,500

A DIAMOND FEATHER BROOCH designed as a stylised feather, set throughout with single and baguette cut diamonds all totalling 5.0-5.5 carats, no assay marks, 10.0cm, 35.4g.

Estimate £3,000 - £5,000

A FRENCH DIAMOND AND ENAMEL FAIRY BROOCH in 18ct yellow gold, designed as a winged fairy with a foliate style body, the body set with round brilliant cut diamonds, the wings decorated with red, cream and blue enamel, French assay marks, 5.5cm, 26.8g.

Estimate £5,000 - £7,000

A FRENCH DIAMOND BROOCH in 18ct yellow gold, the openwork bombe face set with round brilliant cut diamonds, French assay marks, 5.0cm, 28.8g. 

Estimate £2,500 - £3,500

A PINK AND BLUE SAPPHIRE BOW BROOCH in 18ct yellow gold, designed as a bow set throughout with round cut blue and pink sapphires, stamped 18K, French import marks, 8.3cm, 45.4g. 

Estimate £5,000 - £7,000

A VINTAGE PEARL, DIAMOND AND OPALINE GLASS MAN IN THE MOON BROOCH in yellow gold, set with a circular carved opaline glass man in the moon in a border of pearls and round brilliant cut diamonds, no assay marks, 2.6cm, 7.3g.

Estimate £800 - £1,200

AN ANTIQUE DIAMOND CORONET BROOCH

Estimate £1,200 - £1,600

AN ANTIQUE SAPPHIRE AND DIAMOND CIRCLE BROOCH in yellow gold and silver, designed as an open circle set with round cut sapphires and rose cut diamonds, no assay marks, 2.6cm, 6.2g. 

Estimate £500 - £700

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

AN ANTIQUE CONCH PEARL AND MULTIGEM FLORAL BOUQUET BROOCH in yellow gold, designed as a bouquet of flowers tied with a ribbon, set with two conch pearls, heart shaped cabochon garnets, round cabochon turquoise, rose cut diamonds and seed pearls, no a

Estimate £3,000 - £5,000

AN ANTIQUE PORTUGUESE CHRYSOLITE BROOCH in silver, the oval body set throughout with calibre cut chrysolites, no assay marks, 4.0cm, 15.5g.

Estimate £600 - £800

AN ANTIQUE FRENCH NATURAL SALTWATER PEARL, TIGER'S EYE AND DIAMOND INSECT BROOCH in 18ct yellow gold and silver, designed as a winged insect, the body set with a round cabochon tiger's eye, rose cut diamond and a pearl of 11.7mm, accented by further

Estimate £4,000 - £6,000

AN ANTIQUE DIAMOND BROOCH in yellow gold and silver, the scrolling foliate style brooch set throughout with old and rose cut diamonds, no assay marks, 4.7cm, 10.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE SWISS ENAMEL BROOCH, CIRCA 1840 in yellow gold, of oval outline, set with an enamelled miniature of a man blowing a horn, with a reclining woman and goat, with a backdrop of mountains and a chalet, the setting with a scalloped border, no a

Estimate £400 - £600

AN ANTIQUE DIAMOND, RUBY, SAPPHIRE AND PEARL CRESCENT MOON BROOCH in yellow gold and silver, designed as a crescent moon set with a row of old and rose cut diamonds, accented by round cut rubies and sapphires and pearls, no assay marks, 4.6cm, 3.8g. 

Estimate £400 - £600

AN ANTIQUE SWISS ENAMEL BROOCH in 18ct yellow gold, set with an oval plaque enamelled with a view of people in a field, against a backdrop of a Swiss town with mountains and a lake in the distance, within a border of vine design accented with green e

Estimate £400 - £600

AN ANTIQUE DIAMOND HORSESHOE BAR BROOCH designed as a horseshoe set with old cut diamonds, on a twisted bar, no assay marks, 3.6cm, 5.5g. 

Estimate £400 - £600

A DIAMOND AND GARNET DUCK BROOCK  designed as a duck, pave set with round brilliant cut diamonds, the eye set with a round cut green garnet, stamped PT950, 6.9cm, 33.1g. 

Estimate £2,500 - £3,500

A FRENCH GOLD EAGLE BROOCH in 18ct yellow gold, designed as an eagle in flight, French assay marks, 6.6cm, 9.9g. 

Estimate £800 - £1,200

AN ART DECO SAPPHIRE AND DIAMOND BROOCH the oval pierced brooch set throughout with rectangular step cut and calibre cut sapphires and old and single cut diamonds, the diamonds all totalling 1.3-1.5 carats, no assay marks, 4.9cm, 11.6g. 

Estimate £3,000 - £5,000

AN EMERALD, RUBY AND DIAMOND BROOCH set with round cut emeralds, marquise cut rubies and round brilliant cut diamonds, suspending three articulated drops set with further round cut emeralds, marquise cut rubies and round brilliant cut diamonds, stamp

Estimate £800 - £1,200

A SAPPHIRE, DIAMOND, RUBY AND ENAMEL DRAGONFLY BROOCH the body set with a row of oval cut sapphires, the eyes set with cabochon rubies, the wings decorated with pearlescent, blue and red enamel and accented by single cut diamonds and further sapphire

Estimate £6,000 - £8,000

AN ANTIQUE RUBY AND DIAMOND GIARDINETTO BROOCH in yellow gold and silver, designed as a basket of flowers, set with rose cut diamonds and round cut rubies, inscribed 1649, no assay marks, 3.8cm, 9.8g.

Estimate £2,000 - £3,000

A FRENCH DIAMOND AND RUBY BIRD BROOCH in 18ct yellow gold and silver, designed as a bird perched on a branch, set throughout with rose cut diamonds, the eye set with a round cut ruby, French assay marks, 4.0cm, 6.6g. 

Estimate £2,000 - £3,000

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH in yellow gold and silver, the scrolling brooch set with a row of pearls accented by old and rose cut diamonds, no assay marks, 5.5cm, 9.0g. 

Estimate £500 - £700

AN ANTIQUE MOONSTONE BAR BROOCH in 15ct yellow gold, set with a row of five round cabochon moonstones, stamped 15CT, 3.5cm, 3.4g. 

Estimate £300 - £500

AN ONYX AND DIAMOND BOW BROOCH designed as a bow set with calibre cut onyx accented by rose cut diamonds, no assay marks, 6.3cm, 6.6g. 

Estimate £1,200 - £1,600

AN ART DECO DIAMOND BROOCH, 1930S designed as an open circle accented by a geometric bow, set throughout with transitional and baguette cut diamonds, the diamonds all totalling 6.0-6.5 carats, no assay marks, 3.7cm, 11.9g. 

Estimate £3,000 - £5,000

AN ANTIQUE BLACK OPAL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, set with an oval cabochon opal accented by clusters of old cut diamonds, no assay marks, 3.6cm, 6.0g. 

Estimate £2,500 - £3,500

A SAPPHIRE AND DIAMOND BROOCH in platinum, the square shaped brooch set with alternating French cut sapphires and old cut diamonds, suspending a drop of round brilliant cut diamonds terminating in a pear shaped diamond, the diamonds totalling 1.55 ca

Estimate £1,200 - £1,600

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

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 OPAL AND PEARL BROOCH set with an oval cabochon cut opal of approximately 5.75 carats in a border of seed pearls, no assay marks, 2.4cm, 4.0g. 

Estimate £400 - £600