A MOONSTONE AND DIAMOND HEART BROOCH set with a heart shaped cabochon moonstone in a cluster of round brilliant cut diamonds, the diamonds totalling 2.3-2.5 carats, no assay marks, 2.9cm, 8.4g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND PASTE FOX AND RIDING CROP BROOCH designed as a riding crop with a fox head, the fox head set with rose cut diamonds, the eyes set with cabochon red paste stones, no assay marks, 5.4cm, 5.0g. 

Estimate £400 - £600

AN ANTIQUE PINK SAPPHIRE AND DIAMOND INSECT BROOCH in yellow gold and silver, designed as a winged insect, the body set with an old cut diamond and a pear cut pink sapphire of approximately 0.82 carats, the wings set with old cut diamonds, the diamon

Estimate £1,500 - £2,500

AN EGYPTIAN REVIVAL SCARAB CLIP BROOCH in yellow gold, set with a hardstone carved to depict a scarab beetle, the reverse carved with Egyptian hieroglyphics, Egyptian assay marks, 3.7cm, 17.0g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN BANDED AGATE AND ENAMEL MOURNNG BROOCH set with an oval cabochon banded agate accented by ropework, within a border of white enamel and further banded agate, glass covered locket panel to the reverse, no assay marks, 5.0cm, 20.1g

Estimate £800 - £1,200

AN ANTIQUE DIAMOND HORSESHOE BROOCH in yellow gold, designed as a horseshoe set with old cut diamonds, the diamonds totalling 0.8-0.9 carats, no assay marks, 2.4cm, 5.3g. 

Estimate £600 - £800

AN ANTIQUE SAPPHIRE CRESCENT MOON BROOCH designed as a crescent moon set with graduating oval cut sapphires, no assay marks, 2.0cm, 2.5g. 

Estimate £400 - £600

AN ANTIQUE DIAMOND AND ENAMEL BROOCH in yellow gold and silver, the circular brooch set with a cluster of old cut diamonds, accented by borders of red, white and blue enamel, framed by a border of rose cut diamonds and accented by four further old cu

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a six rayed star set throughout with old and rose cut diamonds, no assay marks, 4.1cm, 9.4g. 

Estimate £1,800 - £2,200

A FINE ART DECO DIAMOND PLAQUE BROOCH the pierced geometric brooch set with a principal transitional cut diamond of approximately 2.30 carats, accented by further transitional, old and single cut diamonds, the diamonds totalling 11.0-12.0 carats, no

Estimate £10,000 - £15,000

AN EMERALD, RUBY, SAPPHIRE AND DIAMOND SPRAY BROOCH in gold plate, designed as a floral spray tied with a bow, set throughout with cabochon and round cut emeralds, cabochon and round cut rubies, cabochon sapphires and round and rose cut diamonds, the

Estimate £6,000 - £8,000

A DIAMOND AND EMERALD FROG BROOCH / PENDANT designed as a frog on a lily pad, the frog pave set with round brilliant cut diamonds, the eyes set with round cut emeralds, stamped 585, 2.8cm, 8.7g. 

Estimate £800 - £1,200

A SAPPHIRE AND DIAMOND FAN BROOCH the openwork fan shaped brooch set with French cut sapphires and round brilliant cut diamonds, suspending a pear cut sapphire drop in a border of further diamonds, the sapphires totalling 3.0-3.5 carats, the diamonds

Estimate £4,000 - £6,000

A FINE ANTIQUE EMERALD, RUBY, DIAMOND PEARL BROOCH / PENDANT, 19TH CENTURY in yellow gold, set with a cushion cut emerald of approximately 4.33 carats in a cluster of old cut diamonds, the scrolling body set with round cut rubies and rose cut diamond

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND, RUBY AND ENAMEL FLORAL SPRAY BROOCH designed as a floral spray tied with a bow, the flowers decorated with red, green and blue enamel, accented by old and rose cut diamonds and round cut rubies, no assay marks, 8.0cm, 34.8g. 

Estimate £4,000 - £6,000

AN ANTIQUE DIAMOND, RUBY, SAPPHIRE, PEARL AND ENAMEL CRESCENT MOON AND WASP BROOCH in yellow gold, the wasp set with a pearl, cabochon sapphire, round and cushion cut rubies and rose cut diamonds, the wings decorated with blue enamel, the crescent mo

Estimate £2,000 - £3,000

AN ANTIQUE NATURAL PEARL AND DIAMOND STAR BROOCH in yellow gold and silver, designed as an eight rayed star set to the centre with a pearl of 11.9mm, accented throughout with old and rose cut diamonds, no assay marks, 3.0cm, 8.9g. Accompanied by a ge

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND FLOWER BROOCH in yellow gold and silver, designed as an openwork flower with heart shaped petals, set with old and rose cut diamonds all totalling 3.0-3.2 carats, no assay marks, 3.0cm, 11.0g. 

Estimate £2,500 - £3,500

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

A FINE ANTIQUE AMETHYST AND DIAMOND BROOCH in yellow gold, set with a cushion cut amethyst in a cluster of old cut diamonds, the diamonds totalling 1.3-1.5 carats, no assay marks, 3.6cm, 11.2g. 

Estimate £1,500 - £2,500

A JADEITE JADE PEA POD BROOCH comprising an openwork bar brooch suspending a jadeite jade plaque carved to depict pea pods, no assay marks, 8.3cm, 39.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE ROMAN PANTHEON MICROMOSAIC BROOCH in yellow gold, the oval brooch set with pieces of coloured glass to depict the Roman Pantheon, no assay marks, 4.5cm, 14.8g. 

Estimate £1,200 - £1,600

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 with round cut s

Estimate £2,000 - £3,000

AN ANTIQUE PINK SAPPHIRE AND DIAMOND BROOCH, EARLY 20TH CENTURY the openwork brooch set to the centre with a cushion cut pink sapphire of approximately 0.96 carats, accented by rose cut diamonds, no assay marks, 3.3cm, 4.3g. 

Estimate £800 - £1,200

AN AQUAMARINE AND DIAMOND BROOCH the openwork geometric brooch set with oval cut aquamarines and accented by old and rose cut diamonds, no assay marks, 4.7cm, 8.5g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN AQUAMARINE BROOCH in yellow gold, set with an oval cut aquamarine of approximately 11.43 carats in a stylised segmented gold border, suspending swag chains and a pear cut aquamarine drop of approximately 6.44 carats, no assay mar

Estimate £1,500 - £2,500

AN ART DECO FANCY COLOURED DIAMOND PLAQUE BROOCH the openwork brooch set with an old cut white, cognac and yellow diamond, within frames of old and single cut diamonds, the diamonds totalling 3.7-4.0 carats, no assay marks, 4.7cm, 9.1g.

Estimate £3,000 - £5,000

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH / PENDANT in yellow gold, in scrolling foliate design set with old and rose cut diamonds and round cut sapphires, suspending three drops set with cushion and pear cut sapphires in clusters of further diamonds, t

Estimate £1,500 - £2,500

AN ANTIQUE SAPPHIRE AND PEARL BROOCH / PENDANT the oval pendant set with cushion cut sapphires and pearls, suspending a pearl drop, no assay marks, 4.3cm, 12.0g. 

Estimate £800 - £1,200

ATTR KARL ROTHMULLER, A FINE ANTIQUE NATURAL SALTWATER PEARL, RUBY AND DEMANTOID GARNET BROOCH in yellow gold and silver, the scrolling body set with pearls, round cut rubies, round and oval cut demantoid garnets, the central pearl of 11.7mm, no assa

Estimate £8,000 - £12,000

AN ANTIQUE SAPPHIRE, PEARL AND DIAMOND BROOCH set with a pearl accented by foliate sprays set with old cut diamonds, within a border of calibre cut sapphires and pearls, marked indistinctly, 3.6cm, 5.5g. 

Estimate £600 - £800

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

AN ANTIQUE DIAMOND BROOCH in yellow gold, designed as an open circle set with old cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, 2.0cm, 2.7g. 

Estimate £800 - £1,200

AN ANTIQUE DIAMOND BROOCH 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, 4.7cm, 13.9g. 

Estimate £4,000 - £6,000

AN ANTIQUE PEARL, RUBY AND EMERALD BIRD BROOCH designed as a bird set with a baroque pearl, the wings set cushion cut rubies and seed pearls, the comb set with round cut emeralds, no assay marks, 6.0cm, 12.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE PEARL AND DIAMOND CROSS BROOCH designed as a cross set with pearls, in a border of rose cut diamonds, no assay marks, 2.5cm, 9.7g. 

Estimate £600 - £800

AN 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 and further diamonds, 7.0cm, 31.5g. 

Estimate £3,000 - £5,000

A JADEITE JADE AND DIAMOND BROOCH set with a jadeite jade plaque carved in foliate design, accented by single cut diamonds, no assay marks, 8.9cm, 10.6g. 

Estimate £600 - £800

A FINE ANTIQUE CAT'S EYE CHRYSOBERYL AND DIAMOND CLUSTER BROOCH in yellow gold and silver, set with an oval cat's eye chrysoberyl of approximately 19.00 carats in a cluster of old cut diamonds, the diamonds all totalling 4.0-4.5 carats, no assay mark

Estimate £20,000 - £30,000

AN ANTIQUE VICTORIAN ACROSTIC REGARD LOCKET BROOCH set with a ruby, emerald, garnet, amethyst, ruby and diamond spelling regard as an acrostic, with a glass locket to the reverse, no assay marks, 3.0cm, 3.5g. 

Estimate £800 - £1,200

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

AN ANTIQUE OPAL AND PEARL BROOCH in 15ct yellow gold, set with an oval cabochon opal accented by pearls, stamped 15ct, 3.2cm, 3.8g. 

Estimate £500 - £700

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 AGATE CAMEO BROOCH in yellow gold, set with an oval agate cameo carved to depict the bust of a classical woman, suspending three articulated gold drops, no assay marks, 8.3cm, 32.8g.

Estimate £1,800 - £2,200

AN ANTIQUE PEARL AND ENAMEL SWAN BAR BROOCH in 15ct yellow gold, designed as a swan set with a pearl of 6.1mm, relieved in opalescent and orange enamel, stamped 15CT, 5.0cm, 3.1g. 

Estimate £200 - £300