A RUBY AND TSAVORITE GARNET STRAWBERRY BROOCH in 18ct yellow gold, designed as a strawberry set with round cut rubies, the stalk set with round cut tsavorite garnets, stamped 750, 3.5cm, 10.8g. 

Estimate £2,000 - £3,000

BEN ROSENFELD, A VINTAGE DIAMOND AND ENAMEL FLOWER BROOCH, 1967 in 18ct yellow gold, designed as the head of a flower, set to the centre with a cluster of round brilliant cut diamonds and gold stamens, the petals decorated with blue guilloche enamel,

Estimate £800 - £1,200

JOHN DONALD, A VINTAGE CORAL AND PEARL BROOCH, 1970 in 18ct yellow gold, in abstract design, the openwork brooch set with polished coral beads and pearls, signed John Donald, full British hallmarks for London 1970, 6.0cm, 23.9g. 

Estimate £1,000 - £1,500

A DIAMOND, ENAMEL AND RUBY LADYBIRD BROOCH in 18ct yellow gold, designed as a ladybird decorated with red and black enamel, accented by a row of round brilliant cut diamonds, the eyes set with round cut rubies, stamped 750, 2.1cm, 6.5g. 

Estimate £400 - £600

A VINTAGE RUBY, SAPPHIRE, EMERALD AND DIAMOND BROOCH in 18ct yellow gold, designed as a stylised basket of flowers, set with four round brilliant cut diamonds accented by clusters of round cut rubies, sapphires and emeralds, stamped 750, 3.5cm, 10.8g

Estimate £800 - £1,200

CARTIER, A VINTAGE TURQUOISE AND DIAMOND FLOWER BROOCH, CIRCA 1970 in 18ct yellow gold, designed as an exotic flower, set with cabochon turquoise and round brilliant cut diamonds, the diamonds all totalling 3.1-3.3 carats, signed Cartier Paris, Frenc

Estimate £15,000 - £25,000

AN ART DECO DIAMOND BROOCH in geometric form, set with five principal old cut diamonds, accented by further old cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks, 5.4cm, 11.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE PORTUGUESE PINK PASTE GIRANDOLE PENDANT, EARLY 19TH CENTURY in silver, the foliate body set with foiled oval, cushion, pear and fancy cut pink paste stones, suspending three articulated drops set with further pink paste stones, indistinct

Estimate £1,000 - £1,500

TIFFANY & CO, A CITRINE AND DIAMOND BOW BROOCH, CIRCA 1980 in 18ct yellow gold, designed as a bow, set with two trillion cut citrines accented by round brilliant cut diamonds, signed Tiffany & Co., stamped 750, 4.0cm, 16.9g. Accompanied by a Tiffany

Estimate £2,000 - £3,000

AN ANTIQUE PORTUGUESE CHRYSOLITE BROOCH in yellow gold and silver, the oval body set to the centre with an oval cut chrysolite within three concentric rows of cushion and calibre cut chrysolites, no assay marks, 3.0cm, 11.9g. 

Estimate £1,000 - £1,500

BOUCHERON, A VINTAGE DIAMOND CLIP BROOCH, 1950S in 18ct yellow gold, designed as a spray of leaves, set with round brilliant cut diamonds, signed Boucheron Paris, French assay marks, 5.7cm, 23.6g.

Estimate £5,000 - £7,000

A TURQUOISE AND DIAMOND FLORAL SPRAY BROOCH in 18ct yellow gold, designed as an abstract floral spray design modelled from plaited gold wire, set with marquise shaped turquoise and round brilliant cut diamonds, full British hallmarks for London 2001,

Estimate £400 - £600

A SAPPHIRE, TSAVORITE GARNET AND DIAMOND BUTTERFLY BROOCH in 18ct yellow gold, designed as a butterfly, the body set with round brilliant cut brown and fancy coloured diamonds, the wings set with round cut sapphires assented by round and trillion cut

Estimate £6,000 - £8,000

AN ANTIQUE ENAMEL AND PEARL MOURNING BROOCH in yellow gold, the oval body in black enamel with an applied trefoil motif set with pearls and a rose cut diamond, glass locket panel to the reverse, no assay marks, 3.7cm, 16.0g. 

Estimate £250 - £350

A FRENCH ART DECO DIAMOND BAR BROOCH in 18ct yellow and white gold, set with a row of old cut diamonds, French assay marks, 7.2cm, 5.9g. 

Estimate £600 - £800