AN ART DECO AQUAMARINE AND DIAMOND BAR BROOCH in platinum, set with a rectangular step cut aquamarine accented by single cut diamonds, stamped PLAT, 5.6cm, 4.3g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the scrolling body set throughout with old cut diamonds, the diamonds all totalling 5.5-6.0 carats, detachable brooch fittings, no assay marks, 4.0cm, 15.5g. 

Estimate £4,000 - £6,000

A VINTAGE DIAMOND BROOCH in yellow gold, designed as a stylised leaf set with a row of round brilliant cut diamonds, accented by beaded and twisted ropework, the diamonds all totalling 0.6-0.8 carats, no assay marks, 3.4cm, 9.1g. 

Estimate £400 - £600

A VINTAGE FRENCH MULTIGEM BROOCH in 18ct yellow gold, designed as a piece of coral set with round brilliant cut diamonds and round cut rubies, emeralds and sapphires, marked indistinctly, 3.8cm, 22.5g. 

Estimate £1,000 - £1,500

CARTIER, A VINTAGE OPAL, EMERALD AND DIAMOND TURTLE BROOCH in 18ct yellow gold, the shell set with an oval cabochon opal in a cluster of rose cut diamonds, the head, limbs and tail set with buff top cabochon emeralds, the eyes set with single cut dia

Estimate £8,000 - £12,000

PALOMA PICASSO FOR TIFFANY & CO., A SHOOTING STAR BROOCH in 18ct yellow gold, designed as a shooting star, signed Paloma Picasso, signed Tiffany & Co., stamped 750, 8.2cm, 17.9g. 

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN CITRINE AND DIAMOND SWEETHEART BROOCH / PENDANT in yellow gold and silver, comprising a bow motif set with rose cut diamonds suspending an articulated heart cut citrine in a border of further rose cut diamonds, no assay marks, 35

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork brooch in scrolling design set throughout with old and rose cut diamonds, suspending three articulated drops set with further old and rose cut diamonds, detachable bail set w

Estimate £10,000 - £15,000

A GEMSET FORTUNE TELLER BROOCH in yellow gold, designed as a fortune teller, the head set with a  carved citrine face, the turban set with a pearl, cabochon jade, round cut pink and blue sapphire, the body set with a faceted onyx, the arms set with p

Estimate £600 - £800

AN ANTIQUE EDWARDIAN DIAMOND AND ENAMEL BROOCH in yellow gold, decorated with blue guilloche enamel with an applied foliate design set with old cut diamonds, in a border of rose cut diamonds, no assay marks, 3.9cm, 11.6g. 

Estimate £1,500 - £2,500

A FINE ANTIQUE AGATE CAMEO, BANDED AGATE AND ENAMEL BROOCH in yellow gold, set with an oval agate cameo carved to depict a cherub in a horse drawn carriage, in a border of round cabochon banded agate accented by black enamel, no assay marks, 3.6cm, 1

Estimate £1,500 - £2,500

A RUBY AND DIAMOND BROOCH in 18ct yellow and white gold, designed as a stylised ribbon set with old cut diamonds, accented by a row of rectangular step cut rubies, ABD maker's mark, partial British hallmarks, 4.4cm, 10.7g. 

Estimate £350 - £450

AN ANTIQUE DIAMOND, RUBY AND PEARL BROOCH / PENDANT in yellow gold and silver, the openwork heart shaped brooch set throughout with old cut diamonds suspending a pear cut ruby in a cluster of further old cut diamonds and a pearl drop, detachable broo

Estimate £800 - £1,200

A DIAMOND AND PEARL BROOCH in openwork scrolling design set throughout with old European, single and rose cut diamonds, suspending two pearl drops, no assay marks, 4.5cm, 8.4g. 

Estimate £3,000 - £5,000

AN ANTIQUE CHALCEDONY, PEARL AND RUBY MALTESE CROSS BROOCH in yellow and rose gold, designed as a Maltese cross of white chalcedony, set with a cushion cut ruby in a border of pearls, accented by foliate and cannetille decoration, with a glass covere

Estimate £1,000 - £1,500

A VINTAGE DIAMOND BROOCH / PENDANT in scrolling design set throughout with round brilliant and tapered baguette cut diamonds, the diamonds all totalling 10.0-11.0 carats, no assay marks, 5.0cm, 25.9g. 

Estimate £6,000 - £8,000

A TURQUOISE AND RUBY BIRD BROOCH in yellow gold, designed as a bird set with an oval cabochon turquoise, the eye set with a cabochon ruby, stamped 750 14K, 4.7cm, 10.4g. 

Estimate £600 - £800

A VINTAGE DIAMOND BROOCH in 18ct white gold, the scrolling body set with old cut diamonds all totalling 4.4-4.7 carats, later British hallmarks, 4.3cm, 11.9g.

Estimate £2,000 - £3,000

AN ANTIQUE SHELL CAMEO BROOCH in yellow gold, set with an oval cameo depicting the bust of a classical woman with a wreath of grapes and vine leaves in her hair, no assay marks, 6.6cm, 32.0g. 

Estimate £600 - £800

AN ANTIQUE CARNELIAN AND AGATE CAMEO BROOCH in yellow gold, set with two agate and a carnelian intaglio depicting the busts of classical men, no assay marks, 7.4cm, 43.5g. 

Estimate £6,000 - £8,000

A VINTAGE RUBY AND DIAMOND FLOWER BROOCH in yellow gold and platinum, designed as a bouquet of three flowers accented by round cut rubies and round brilliant cut diamonds, no assay marks, 8.5cm, 37.8g. 

Estimate £1,500 - £2,500

AN ART NOUVEAU DIAMOND, ENAMEL AND PEARL LILY PAD BROOCH / PENDANT in 18ct yellow gold, designed as a lily pad set throughout with old and single cut diamonds, the lily pad decorated with green and orange enamel, accented by two pearls, suspending a

Estimate £1,500 - £2,500