AN ANTIQUE DIAMOND FLOWER BROOCH in silver and yellow gold, the brooch designed as a floral spray set with old cut diamonds, the flower set en tremblant, the diamonds totalling 4.0-4.5 carats, no assay marks, 5.4cm, 13.6g.

Estimate £1,000 - £1,500

AN ANTIQUE MOONSTONE, DIAMOND AND ENAMEL BROOCH, 19TH CENTURY in yellow gold and silver, designed as a red enamel ribbon tied in a bow, accented by rose cut diamonds, suspending a drop shaped cabochon moonstone, no assay marks, 3.6cm, 4.2g. 

Estimate £600 - £800

AN ANTIQUE DIAMOND, RUBY AND PEARL CRESCENT MOON BROOCH in 14ct rose gold, designed as a crescent moon set with alternating cushion cut rubies, old cut diamonds and pearls, surrounding a star motif set with an old cut diamond of approximately 0.45 ca

Estimate £2,000 - £3,000

AN ANTIQUE AMETHYST, TURQUOISE AND DIAMOND SWEETHEART BROOCH in yellow gold and silver, set with a heart shaped cabochon amethyst and turquoise in a border of rose cut diamonds surmounted by a bow set with further rose cut diamonds, marked indistinct

Estimate £2,500 - £3,500

AN ANTIQUE PEARL LOCKET BROOCH, 19TH CENTURY in yellow gold, in circular form with a glass covered locket in a border of pearls, engraved to the reverse 'STANLEY 30th Oct. 1854', no assay marks, 2.5cm, 6.1g. 

Estimate £100 - £150

AN ANTIQUE EDWARDIAN AQUAMARINE AND DIAMOND BROOCH in yellow gold and platinum, set with a pear cut aquamarine of approximately 4.60 carats, to a scrolling openwork surround set with rose cut and old cut diamonds suspending a drop of old cut diamonds

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND FLOWER BROOCH in yellow gold and silver, set with old cut and single cut diamonds, the central flower motif set en tremblant, the diamonds totalling 4.3-4.7 carats, no assay marks, 5.9cm, 16.5g.

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN RUBY AND DIAMOND BROOCH / PENDANT, 19TH CENTURY in yellow gold and silver, set with round cut rubies and old cut diamonds in an openwork design, the rubies totalling 2.3-2.5 carats, the diamonds totalling 0.8-1.0 carat, 4.2cm, 11

Estimate £2,000 - £3,000

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH, 19TH CENTURY in silver and yellow gold, in scrolling design, set to the centre with an oval cut sapphire, accented throughout with rose cut diamonds, no assay marks, 3.2cm, 8.2g. 

Estimate £800 - £1,200

AN ANTIQUE PEARL AND DIAMOND BROOCH / PENDANT in yellow gold, designed as a flower set with pearls and rose cut diamonds, no assay marks, 2.8cm, 11.9g. 

Estimate £500 - £700

AN ANTIQUE TURQUOISE AND GARNET SNAKE BROOCH, 19TH CENTURY in yellow gold, designed as a coiling snake, the head set with cabochon turquoise and the eyes set with cabochon garnets, no assay marks, 4.0cm, 14.1g. 

Estimate £1,500 - £2,500

AN ANTIQUE PEARL AND DIAMOND SPRAY BROOCH in silver and yellow gold, designed as a floral spray tied with a bow, set throughout with old cut and rose cut diamonds and two pearls of 8mm and 7.8mm, the diamonds totalling 4.5-5.0 carats, no assay marks,

Estimate £1,500 - £2,500

A RETRO DIAMOND BOW BROOCH in 18ct yellow and white gold, designed as a stylised bow, set with single cut diamonds, full British hallmarks for London 1969, 5.4cm, 17.4g. 

Estimate £500 - £700

AN ANTIQUE PIETRA DURA DOVES OF PLINY BROOCH in yellow gold, the circular face inset with polished pieces of hardstone depicting the doves of Pliny, within a twisted wirework border accented by cushion cut rubies and pearls, marked indistinctly, 3.6c

Estimate £1,000 - £1,500

AN ANTIQUE PORTRAIT MINIATURE BROOCH in yellow gold, set with a portrait miniature depicting the bust of a woman, accented by a scrolling frame with bow motifs set with step cut garnets, brooch pin deficient, no assay marks, 4.5cm, 19.0g.

Estimate £400 - £600

A VINTAGE FRENCH RUBY AND DIAMOND TIMEPIECE BROOCH in 18ct yellow gold, designed as a lady holding a parasol standing beneath a lamp post, the lampost set with a round clock face accented by single cut diamonds, the figure of a lady set with further

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND, RUBY AND EMERALD BROOCH in yellow gold, the circular cannetille body set to the centre with an old cut diamond in a border of alternating cushion cut rubies and emeralds, no assay marks, 2.2cm, 5.7g.

Estimate £1,000 - £1,500

AN ART DECO DIAMOND BROOCH the geometric body set throughout with old cut diamonds totalling 3.5-4.0 carats, no assay marks, 4.4cm, 9.3g. 

Estimate £2,500 - £3,500

A VINTAGE ONYX AND DIAMOND BOW BROOCH designed as an openwork bow set with round cut and rose cut diamonds, accented by step cut onyx, no assay marks, 5.0cm, 9.1g. 

Estimate £1,000 - £1,500

AN ANTIQUE BELLE EPOQUE DIAMOND AND PEARL BROOCH / PENDANT in silver and yellow gold, set with old cut and rose cut diamonds, suspending a pearl drop, no assay marks, 3.7cm, 6.4g. 

Estimate £500 - £700

A SAPPHIRE, ONYX AND DIAMOND JABOT PIN BROOCH in 18ct yellow gold, designed as an arrow set with a fancy cut and pear shaped sapphire, polished onyx and round brilliant cut diamonds, stamped 750, 8.5cm, 9.0g.

Estimate £800 - £1,200

BOUCHERON, A DIAMOND FLOWER BROOCH in platinum, designed as a spray of foliage, set throughout with old cut diamonds all totalling 2.0-2.5 carats, signed Boucheron Paris, French assay marks, 4.4cm, 10.2g. 

Estimate £2,000 - £3,000

A DIAMOND OTTER BROOCH in yellow gold, designed as the head of an otter, rose cut diamonds set to the eyes, no assay marks, 4.4cm, 4.3g. 

Estimate £400 - £600

AN ANTIQUE AQUAMARINE BROOCH, 19TH CENTURY in yellow gold, the scrolling openwork body set with five oval cut aquamarines suspending two swag chains and a pear shaped aquamarine drop, no assay marks, 8.0cm, 15.9g. 

Estimate £1,200 - £1,600

AN ANTIQUE OPAL, ENAMEL AND DIAMOND BROOCH / PENDANT in yellow gold, the scrolling body set to the centre with a cabochon opal, accented by blue guilloche enamel and old cut diamonds, with a glass locket panel to the reverse, no assay marks, 4.5cm, 2

Estimate £3,000 - £5,000

AN ANTIQUE GARNET AND DIAMOND BROOCH in yellow gold and silver, designed as an open oval set with rose cut diamonds and fancy cut garnets, no assay marks, 3.0cm, 5.1g.

Estimate £1,000 - £1,500

AN ART DECO DIAMOND BROOCH in rectangular design, set to the centre with an old European cut diamond of 0.25 carats, within a pierced open framework border set with further single cut diamonds, no assay marks, 4.1cm, 5.7g.

Estimate £800 - £1,200

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

Estimate £300 - £500

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 £500 - £700

A VINTAGE FRENCH DIAMOND SEA URCHIN BROOCH in 18ct yellow gold, designed as a dome with radiating prongs, set with a singular round brilliant cut diamond of approximately 0.20 carats, R D maker's mark, French assay marks, 3.4cm, 17.5g.

Estimate £1,500 - £2,500

AN ANTIQUE PEARL, TURQUOISE AND ENAMEL BAR BROOCH in yellow gold, comprising a central fan motif set with a painted miniature of a cherub, accented by pearls and cabochon turquoise, the bar set with a row of pearls and cabochon turquoise, suspending

Estimate £1,000 - £1,500