HOWARD AND CO., AN ANTIQUE EDWARDIAN DIAMOND HORSESHOE BROOCH in yellow gold and platinum, designed as a horseshoe set all around with a row of old cut diamonds, the diamonds all totalling 1.0-1.1 carats, signed Howard & Co., no assay marks, 8.0cm, 6

Estimate £1,500 - £2,500

AN ANTIQUE VICTORIAN TURQUOISE AND DIAMOND SWEETHEART BROOCH in yellow gold and silver, designed as a pair of hearts set with round cabochon turquoise in a clusters of old cut diamonds, surmounted by a bow set with further old cut diamonds, no assay

Estimate £1,500 - £2,500

AN ANTIQUE NATURAL SALTWATER PEARL, DIAMOND, EMERALD AND RUBY INSECT BROOCH in yellow gold and silver, designed as a winged insect set with a pearl of 7.8mm and a step cut emerald, the wings set with rose cut diamonds, the eyes set with round cabocho

Estimate £1,000 - £1,500

A JADITE JADE, ONYX, DIAMOND AND RUBY BROOCH set with two round jadeite jade plaques carved in the Chinese style to depict birds, in borders of polished onyx, accented by transitional and single cut diamonds and calibre cut rubies, stamped 18K, 5.2cm

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND BAR BROOCH the openwork brooch comprising a row of old European and old cut diamonds, accented by rose cut diamonds, no assay marks, 7.0cm, 6.4g. 

Estimate £800 - £1,200

A DIAMOND DOG BROOCH designed as a spaniel, the eyes set with rose cut diamonds, no assay marks, 2.8cm, 8.3g. 

Estimate £800 - £1,200

AN ANTIQUE DENDRITIC AGATE BROOCH / PENDANT in yellow gold, set with a polished dendritic agate, the border accented by scallop shell motifs and beads, glass covered locket panel to the reverse, no assay marks, 4.7cm, 12.8g. 

Estimate £400 - £600

AN ANTIQUE VICTORIAN GARNET AND DIAMOND BROOCH / PENDANT in yellow gold, set with an oval cabochon garnet within a border of ropework and beadwork, with an applied star motif set with old and rose cut diamonds, no assay marks, 4.5cm, 16.3g. 

Estimate £600 - £800

AN ANTIQUE RUBY AND EMERALD DRAGONFLY BROOCH in yellow gold, the body set with an oval cabochon ruby and row of calibre cut emeralds, the eyes set with round cut rubies, no assay marks, 7.3cm, 11.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE CITRINE AND AMETHYST INSECT BROOCH in yellow gold, designed as a winged insect set with an oval cut amethyst and round and oval cut citrines, the wings set with pear cut citrines, no assay marks, 5.0cm, 22.7g. 

Estimate £2,000 - £3,000

AN ANTIQUE DEMANTOID GARNET, PEARL AND RUBY LIZARD BROOCH in 15ct yellow gold, designed as a lizard set with seed pearls, accented by a row of round cut demantoid garnets, the eyes set with round cabochon rubies, stamped 15, 5.2cm, 5.2g.

Estimate £1,200 - £1,600

A DIAMOND AND PEARL CORONET BROOCH designed as a coronet set with single and round cut diamonds, topped with pearls, no assay marks, 4.0cm, 6.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE VICTORIAN AMETHYST, CITRINE AND SCOTTISH HARDSTONE BROOCH the circular brooch engraved with foliate motifs, set with an oval cut amethyst, citrines and polished Scottish hardstones, no assay marks, 5.1cm, 12.8g. 

Estimate £600 - £800

AN ANTIQUE GARNET AND DIAMOND FLOWER BROOCH designed as a flower, set with a cushion cut garnet accented by rose cut diamonds, no assay marks, 3.2cm, 5.4g. 

Estimate £800 - £1,200

AN ANTIQUE FRENCH PEARL, DIAMOND, SAPPHIRE AND RUBY INSECT BROOCH in 18ct yellow gold and silver, set with a pearl of 8.7mm and cushion cut sapphire of approximately 0.55 carats, the wings set with rose cut diamonds, the eyes set with round cabochon

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND BROOCH / PENDANT in openwork foliate design, set to the centre with an old cut diamond of approximately 1.03 carats, accented throughout with further old cut diamonds, the diamonds all totalling 5.0-5.5 carats, no assay marks, 4.7c

Estimate £4,000 - £6,000

AN ANTIQUE ETRUSCAN REVIVAL AMETHYST BROOCH, 19TH CENTURY in yellow gold, set with an oval cut amethyst of approximately 29.23 carats, the frame accented by ropework and beadwork, no assay marks, 3.7cm, 15.2g. 

Estimate £600 - £800

AN ANTIQUE TOURMALINE AND PEARL BROOCH in 15ct yellow gold, the foliate style brooch accented by clover motifs and set with seed pearls, suspending pear cut pink and green tourmaline drops, stamped 15CT, 3.2cm, 5.9g. 

Estimate £400 - £600

AN ANTIQUE EN TREMBLANT DIAMOND FLORAL SPRAY BROOCH in yellow gold and silver, designed as a floral spray, the flower head set en tremblant with a central old cut diamond of approximately 1.17 carats, set throughout with further old and rose cut diam

Estimate £4,000 - £6,000

AN ART DECO FRENCH DIAMOND PLAQUE BROOCH in 18ct white gold, the geometric brooch set throughout with old and single cut diamonds totalling 1.6-2.0 carats, indistinct French maker's mark, French assay marks, 4.6cm, 13.9g. 

Estimate £1,200 - £1,600

A DIAMOND, SAPPHIRE AND EMERALD LEOPARD BROOCH in 18ct yellow and white gold, designed as a prowling leopard set with single cut diamonds and round cut sapphires, the eye set with a round cut emerald, full British hallmarks, 6.0cm, 9.9g. 

Estimate £1,000 - £1,500

AN ANTIQUE CORAL FLOWER BROOCH designed as a pair of flowers set with cabochon and polished coral, accented by carved coral roses and leaves, no assay marks, 7.9cm, 16.0g. Accompanied by an antique jewellery box. 

Estimate £1,200 - £1,600

AN ANTIQUE AMETHYST, DIAMOND, PEARL AND ENAMEL HEART BROOCH / PENDANT in yellow gold and silver, designed as a bow set with old and rose cut diamonds, suspending a heart cut amethyst drop within a border of white enamel and pearls, no assay marks, 4.

Estimate £1,500 - £2,500

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 £1,500 - £2,500

ERNST PALTSCHO, AN ANTIQUE AUSTRIAN BUTTERFLY WING, DIAMOND AND SAPPHIRE BROOCH in 14ct yellow gold and silver, designed as a butterfly, the wings set with butterfly wings beneath glass locket panels, the body set with old cut diamonds, the eyes set

Estimate £1,800 - £2,200

AN ANTIQUE DIAMOND BAR BROOCH comprising a row of old European cut diamonds accented by rose cut diamonds, the diamonds totalling 0.7-0.8 carats, no assay marks, 6.6cm, 4.7g. 

Estimate £600 - £800

A BAROQUE PEARL, PINK TOURMALINE, CHRYSOBERYL, CITRINE AND DIAMOND LEAF BROOCH designed as a spray of maple leaves, the leaves set variously with round cut pink tourmalines, chrysoberyls and citrines, the brand set with round cut white and black diam

Estimate £1,500 - £2,000

A DIAMOND AND RUBY POLO BROOCH / PENDANT designed as a polo shirt, hat, polo mallet and horseshoe, the shirt pave set with round brilliant cut diamonds, the collar set with calibre cut rubies, no assay marks, 3.6cm, 17.1g. 

Estimate £1,000 - £1,500

AN ART DECO JADEITE JADE AND DIAMOND CLIP BROOCH set with a piece of carved jade designed as a monkey holding a piece of fruit, accented by single and rose cut diamonds, no assay marks, 3.3cm, 12.9g. 

Estimate £1,200 - £1,600

TWO ANTIQUE TIGER'S EYE, PEARL AND DIAMOND BROOCHES comprising a spider brooch set with a round cabochon tiger's eye, a pearl, cushion cut rubies and rose cut diamonds, no assay marks, 3.1cm, 7.9g, a winged insect brooch set with a cabochon tiger's e

Estimate £1,000 - £1,500

AN ANTIQUE GEORGIAN AMETHYST AND CITRINE RHINOCEROS BEETLE BROOCH jewelled with amethysts and citrines, no assay marks, 6.5cm, 32.3g. 

Estimate £2,000 - £3,000

AN ANTIQUE VICTORIAN GARNET AND DIAMOND STAR BROOCH in yellow gold, comprising a carved cabochon garnet with an applied star motif set with old and rose cut diamonds, within a stylised twisted border, glass covered locket panel to the reverse contain

Estimate £500 - £700

AN ANTIQUE AMETHYST AND DIAMOND BROOCH set with a cushion cut amethyst in a scrolling border set with rose cut diamonds, suspending a detachable drop set with a facetted amethyst of approximately 29.93 carats and further diamonds, 7.0cm, 31.5g. 

Estimate £3,000 - £5,000

AN ANTIQUE ENAMEL FEDE BROOCH in yellow gold, designed as two clasped hands relieved in blue enamel, no assay marks, 3.2cm, 12.2g. 

Estimate £1,200 - £1,600

AN ANTIQUE PEARL DAGGER AND CRESCENT MOON  BROOCH in yellow gold, designed as a dagger accented by a crescent moon, set with rows of pearls, no assay marks, 6.2cm, 8.5g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND AND GARNET SWALLOW BROOCH in yellow gold and silver, designed as a swallow set throughout with rose cut diamonds, the eye set with a round cabochon garnet, no assay marks, 5.5cm, 6.4g. 

Estimate £1,200 - £1,600

AN ANTIQUE VICTORIAN GARNET AND ENAMEL 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 CAMEO LOCKET PENDANT the oval pendant set with a cameo carved to depict the Greek God Hermes wooing the Goddess Aphrodite beneath a glass panel, within a border of pearls, with a portrait of an Edwardian woman to the reverse, no assay mark

Estimate £500 - £700

AN ANTIQUE PEARL FLORAL SPRAY BROOCH designed as a floral spray set throughout with pearls, no assay marks, 5.2cm, 10.7g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND, PEARL, ENAMEL AND RUBY CADUCEUS BROOCH in yellow gold and silver, designed as a caduceus, the snakes set with old and rose cut diamonds, the eyes set with round cabochon rubies, the wings decorated with blue enamel, accented by tw

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN GARNET BROOCH in silver, designed as a stylised flower set throughout with flat cut garnets, no assay marks, 3.4cm, 8.4g. 

Estimate £500 - £700

AN ANTIQUE ESSEX CRYSTAL INTAGLIO AND PEARL BROOCH in yellow gold, set with a carved Essex crystal intaglio carved and painted to depict a horse and jockey, in a border of pearls, no assay marks, 2.4cm, 8.4g. 

Estimate £600 - £800