NO RESERVE - AN ANTIQUE TOPAZ AND PEARL BROOCH in yellow gold, set with a cushion cut orange topaz in a cluster of pearls, no assay marks, 2.5cm, 5.0g. 

Estimate £50 - £70

NO RESERVE - A DIAMOND AND ENAMEL ROYAL ARTILLERY CAP BADGE BROOCH designed as a gun, rammer and wheel, the wheel set with round and rose cut diamonds, accented by a ribbon in blue enamel bearing the regiments mottos "UBIQUE" and "QUO FAS ET GLORIA D

Estimate £150 - £250

TASAKI, A PEARL AND DIAMOND BROOCH / PENDANT the stylised brooch set with three pearls accented by a row of round brilliant cut diamonds, Tasaki maker's mark, stamped K18 Pt900, 6.0cm, 6.5g. 

Estimate £400 - £600

A DIAMOND AND EMERALD BROOCH the openwork plaque brooch set with transitional cut diamonds, accented by rows of fancy cut emeralds, stamped 14K, 4.6cm, 5.4g. 

Estimate £300 - £500

TWO BROOCHES each in a stylised knot design, no assay marks, 4.1cm and 3.0cm, total weight 46.3g. 

Estimate £1,500 - £2,500

A VINTAGE DIAMOND FLOWER BROOCH designed as a flower tied with a ribbon, set throughout with old and single cut diamonds, accented by baguette cut diamonds, the diamonds all totalling 2.5-3.0 carats, no assay marks, 4.5cm, 10.6g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND CRESCENT MOON BROOCH in yellow gold and silver, designed as a crescent moon set with a row of old European cut diamonds, the diamonds totalling 0.7-0.8 carats, no assay marks, 2.5cm, 3.7g. 

Estimate £800 - £1,200

AN ANTIQUE GEORGIAN AMETHYST CLUSTER BROOCH in yellow gold, set with a cluster of oval and round cut amethysts, no assay marks, 5.6cm, 30.8g. 

Estimate £1,000 - £1,500

NO RESERVE -  AN ANTIQUE MOONSTONE AND CHALCEDONY BROOCH set with an oval cabochon moonstone in a border of polished chalcedony, no assay marks, 3.0cm, 7.3g. 

Estimate £100 - £150

AN ANTIQUE PEARL AND DIAMOND STAR BROOCH designed as a six rayed star set with pearls and an old cut diamond, no assay marks, 3.7cm, 7.7g.

Estimate £400 - £600

TIFFANY & CO., AN EMERALD AND ENAMEL CHEETAH BROOCH designed as a cheetah, the spots relieved in brown enamel, the eyes set with round cabochon emeralds, signed Tiffany, stamped 18K, 5.4cm, 19.9g. 

Estimate £2,500 - £3,500

A VINTAGE DIAMOND BOW BROOCH in 18ct white gold, designed as a bow set throughout with round brilliant cut diamonds, full British hallmarks for London 1971, 4.1cm, 4.5g. 

Estimate £150 - £250

AN ANTIQUE YELLOW ZIRCON, RUBY AND DIAMOND INSECT BROOCH in yellow gold and silver, set with a round cut yellow zircon of approximately 6.42 carats and a cushion cut ruby of approximately 0.44 carats, the wings set with rose cut diamonds, the eyes se

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND CORONET BROOCH in yellow gold, set with old cut and rose cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, 3.7cm, 6.6g. 

Estimate £1,000 - £1,500

A BLUE ZIRCON BAR BROOCH in silver, set with a row of six round cut blue zircon, no assay marks, 4.5cm, 6.0g. 

Estimate £600 - £800

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

AN ANTIQUE RUBY, SAPPHIRE, DIAMOND, EMERALD AND PEARL BUTTERFLY BROOCH in yellow gold and silver, the body set with an oval cut ruby and half pearls, the wings set with round cut sapphires, old cut diamonds and round cut emeralds, the eyes set with f

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 £800 - £1,200

THREE CORAL BROOCHES comprising a bar brooch set with a large branch of coral, 9.0cm, a carved coral rose brooch, 5.5cm, and a coral cluster brooch, 5.4cm, total weight 37.7g. 

Estimate £500 - £700

AN AMETHYST AND DIAMOND BROOCH set with an octagonal step cut amethyst of approximately 7.92 carats, the openwork border set with rose cut diamonds, no assay marks, 3.9cm, 10.9g.

Estimate £800 - £1,200

AN ANTIQUE AUSTRIAN MULTIGEM BIRD BROOCH in silver, designed as a bird perched on a branch set with a baroque pearl, the wings set with round and cushion cut rubies and pearls, the plume set with cushion cut emeralds, the eye set with a round cabocho

Estimate £2,000 - £3,000

NO RESERVE - AN ANTIQUE VICTORIAN CORAL, TURQUOISE AND ENAMEL POSY HOLDER BROOCH in silver, set with a row of round cabochon coral and turquoise, accented by foliate motifs decorated with blue and purple enamel, stamped SILVER, 8.4cm, 16.7g. 

Estimate £50 - £70

AN ANTIQUE DIAMOND AND ENAMEL BROOCH decorated with a blue guilloche enamel, with an applied foliate motif set with rose cut diamonds, in a border of white and black enamel, no assay marks, 2.9cm, 5.2g. 

Estimate £300 - £500

AN ANTIQUE GARNET BROOCH designed as a vine with berries and a leaf, the berries set with oval cabochon garnets, no assay marks, 4.7cm, 8.5g. 

Estimate £300 - £500

AN ANTIQUE GEORGIAN PEARL HAIRWORK BROOCH / PENDANT the oval brooch with hairwork beneath a glass panel, in a border of pearls, inscribed to the reverse 'Louise A Enders', no assay marks, 4.2cm, 16.1g. 

Estimate £400 - £600

AN ANTIQUE TURQUOISE BOW BROOCH in yellow gold, designed as a bow with floral clusters set with round cabochon turquoise, suspending a pendant of similar design with a glass covered locket compartment to the reverse, no assay marks, 6.4cm, 9.1g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND FERN BROOCH in yellow gold and silver, set throughout with old cut diamonds, no assay marks, 5.9cm, 4.8g. 

Estimate £400 - £600

AN ANTIQUE PEARL AND DIAMOND BROOCH / PENDANT in yellow gold and silver,  the openwork scrolling brooch set with a pearl of 8.2mm, accented by old and rose cut diamonds and a further pearl, no assay marks, 3.6cm, 5.4g.

Estimate £400 - £600

MIKIMOTO, A PEARL BROOCH designed as a stylised floral spray tied with a bow, set with five pearls, Mikimoto maker's mark, stamped K14, 6.0cm, 7.0g. 

Estimate £400 - £600

AN ANTIQUE ESSEX CRYSTAL AND DIAMOND BROOCH in yellow gold, comprising an Essex crystal carved and painted to depict a duck flying over a pond, in a twisted border accented by rose cut diamonds, no assay marks, 3.0cm, 10.3g.

Estimate £300 - £500

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork brooch set to the centre with an old cushion cut diamond of approximately 0.86 carats, accented throughout with old and rose cut diamonds, suspending a series of diamond set

Estimate £2,000 - £3,000

AN ANTIQUE TURQUOISE BOW BROOCH designed as a stylised bow set with round cabochon turquoise, suspending a drop of similar design, glass covered locket panel to the reverse, no assay marks, 7.1cm, 18.3g. 

Estimate £1,000 - £1,500

A MULTIGEM FLOWER BROOCH designed as an iris set with variously cut aquamarines, sapphires, pink tourmalines, emeralds and rubies, no assay marks, 10.7cm, 35.2g. 

Estimate £3,000 - £5,000

AN ANTIQUE AMETHYST, DIAMOND, PEARL AND ENAMEL NAVETTE BROOCH the navette shaped brooch set with round cut amethysts and old and rose cut diamonds, within a frame of white enamel accented by pearls, no assay marks, 3.9cm, 6.7g. 

Estimate £300 - £500

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 SAPPHIRE, DIAMOND AND PEARL BROOCH in yellow gold and silver, the scrolling brooch set with round cut sapphires and pearls accented by old and rose cut diamonds, 3.8cm, 3.2g. 

Estimate £300 - £500

AN ANTIQUE ONYX BROOCH comprising a polished onyx bar suspending a fringe of tapering onyx drops, no assay marks, 5.4cm, 20.0g. 

Estimate £600 - £800

NO RESERVE - AN ANTIQUE PEARL AND DIAMOND FLOWER BROOCH designed as two flowers set with pearls and an old cut diamond, the principal flower articulated, no assay marks, 3.9cm, 5.4g. 

Estimate £40 - £60

AN ANTIQUE DIAMOND AND PEARL BROOCH / PENDANT NECKLACE the openwork brooch / pendant set with old cut diamonds, suspending an old cut diamond and pearl drop, suspended from a later belcher chain, chain stamped 750, pendant 4.0cm, chain 43.0cm, 9.8g. 

Estimate £500 - £700

AN ANTIQUE AGATE AND ENAMEL BROOCH designed as a bar brooch decorated with black enamel, accented by a fan motif set with agate, no assay marks, 

Estimate £500 - £700

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 GARNET TASSEL BROOCH in 15ct yellow gold, set with a round cabochon garnet in a meander style border decorated with blue enamel, suspending an articulated tassel, stamped 15CT, 8.7cm, 27.0g.

Estimate £1,500 - £2,500

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 £400 - £600

AN ANTIQUE DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a floral spray set throughout with old cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, 4.7cm, 6.3g. 

Estimate £500 - £700