AN ANTIQUE DIAMOND STAR BROOCH in yellow gold and silver, designed as a six rayed star set throughout with old and rose cut diamonds, the diamonds all totalling 1.7-1.9 carats, no assay marks, 2.5cm, 8.2g.

Estimate £1,000 - £1,500

AN ANTIQUE  SAPPHIRE AND DIAMOND BOW BROOCH in yellow gold and silver, designed as a bow set with cushion cut sapphires and old cut diamonds, suspending an articulated pear shaped drop set with further old cut diamonds, no assay marks, 3.5cm, 7.7g. 

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND BROOCH in yellow gold and silver, in openwork design and set throughout with old cut diamonds, the diamonds all totalling 5.0-5.3 carats, the principal stone of approximately 0.80 carats, no assay marks, 3.5cm, 5.8g. 

Estimate £6,000 - £8,000

AN ANTIQUE MULTIGEM CLOVER BROOCH in 15ct yellow gold, designed as a three leaf clover set with a pear shaped peridot, pink tourmaline, and aquamarine, accented by a pearl, stamped 15ct, 4.0cm, 3.3g. 

Estimate £200 - £300

AN ANTIQUE TURQUOISE AND PEARL SHELL BROOCH in yellow gold and silver, designed as a seashell set throughout with cabochon turquoise, suspending a pearl, indistinct assay marks, 2.6cm, 9.2g. 

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold, the bar set with a row of rose cut diamonds and an oval cabochon sapphire, terminating at each end with a round cabochon sapphire, no assay marks, 6.1cm, 6.1g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND, PEARL, AND ENAMEL BROOCH in yellow gold and silver, set to the centre with an old cut diamond within a witch's heart motif, accented by further rose cut diamonds on a ground of white enamel and a frame of seed pearls, no assay mar

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND RUBY COCKATOO BROOCH in yellow gold and silver, designed as a cockatoo perching on a branch set throughout with old and rose cut diamonds, the eye set with a cabochon ruby, its foot reaching towards a pearl, no assay marks, 3.5

Estimate £1,200 - £1,800

AN ANTIQUE DIAMOND HORSESHOE BROOCH in 18ct yellow gold and platinum, designed as a horseshoe set with old cut diamonds all totalling 1.0-1.1 carats, signed HOWARD & CO, no assay marks, 2.5cm, 6.5g. 

Estimate £1,500 - £2,500

A DIAMOND, RUBY, AND ENAMEL NOVELTY CAR BROOCH in 18ct yellow gold, designed as a car set with calibre cut rubies and accented by black enamel with diamond set wheels on a diamond set bar, stamped 750 and numbered, 2.8cm, 4.6g. 

Estimate £1,500 - £2,500

AN ANTIQUE EMERALD AND PEARL HARP BROOCH in yellow gold, designed as a harp set with cushion cut emeralds and pearls, no assay marks, 5.3cm, 10.0g. 

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND GARNET FLY BROOCH in yellow gold and silver, the body and wings of the fly set with rose cut diamonds, the eyes set with cabochon garnets, no assay marks, 4.1cm, 3.7g. 

Estimate £300 - £500

AN ANTIQUE GARNET AND DIAMOND STAR BROOCH / PENDANT in yellow gold, set with fancy cut garnets and rose cut diamonds, no assay marks,  2.7cm, 5.2g.

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND PEARL CLOVER BROOCH in yellow gold and silver, designed as a three leaf clover set with old cut diamonds and three pearls, no assay marks, 2.4cm, 3.5g. 

Estimate £1,000 - £1,500

A SHELL CAMEO ZODIAC CALENDAR BROOCH / PENDANT in yellow gold, the shell cameo carved to depict the zodiac calendar around a compass, cameo signed E. Borrelli, Italian assay marks, stamped 750, 8.0cm, 42.6g. 

Estimate £2,000 - £3,000

A TURQUOISE AND DIAMOND BAR BROOCH in yellow gold, set with a row of alternating oval cabochon turquoise and rose cut diamonds, no assay marks, 4.6cm, 3.0g. 

Estimate £200 - £300

AN ANTIQUE MOONSTONE, GARNET AND DIAMOND INSECT BROOCH in yellow gold and silver, designed as an insect, the body set with an oval cabochon moonstone and oval cut garnet, the eyes set with old cut diamonds, the wings set with rose cut diamonds, no as

Estimate £1,200 - £1,600

A DIAMOND CIRCLE BROOCH in platinum, designed as an open circle set with round brilliant cut diamonds, accented by a pear cut diamond of approximately 1.00 carats and baguette cut diamonds, the diamonds all totalling 2.8-3.0 carats, stamped PLAT, 3.3

Estimate £2,500 - £3,500

AN ART DECO DIAMOND AND PEARL PLAQUE BROOCH in platinum and white gold, the openwork geometric brooch set with a pearl of 5.5mm and old cut diamonds, no assay marks, 4.5cm, 9.1g. 

Estimate £1,200 - £1,600

AN ANTIQUE TURQUOISE AND DIAMOND BAR BROOCH in yellow gold and silver, designed as a bar set with a row of round cabochon turquoise, accented by old cut diamonds, no assay marks, 6.2cm, 10.1g. 

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND BROOCH in 18ct yellow gold and platinum, the openwork design set throughout with old cut diamonds, suspending three articulated diamond drops, no assay marks, 4.5cm, 7.3g. 

Estimate £2,500 - £3,500

AN ANTIQUE EDWARDIAN PEARL HEART BROOCH in yellow gold, the brooch designed as an openwork heart set with seed pearls, no assay marks, 2.1cm, 3.4g. 

Estimate £150 - £250

AN ANTIQUE EDWARDIAN DIAMOND AND PEARL BROOCH / PENDANT rhodium plated, in openwork scrolling design, set with old and rose cut diamonds and accented by pearls, suspending three diamond and pearl drop, no assay marks, 5.5cm, 11.6g. 

Estimate £1,000 - £1,500

A DIAMOND HORSESHOE BROOCH in 14ct yellow gold and silver, designed as a horseshoe, set with rose cut diamonds, stamped 14CT, 4.5cm, 8.4g. 

Estimate £600 - £800

A DIAMOND AND ENAMEL TIGER BROOCH in 14ct yellow gold, designed as a tiger accented by black enamel stripes, green enamel eyes and red enamel mouth, the collar set with single cut diamonds, stamped 585, 4.7cm, 25.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND BROOCH in yellow gold, the openwork brooch in foliate design set throughout with old cut diamonds, suspending two articulated drops set with further old cut diamonds, the diamonds all totalling 3.5-4.0 carats, the principal diamond

Estimate £4,000 - £6,000

A FINE ANTIQUE ARTS AND CRAFTS BLACK OPAL, AMETHYST, PEARL, UNHEATED SAPPHIRE, UNHEATED SPINEL, UNHEATED RUBY, EMERALD AND SYNTHETIC ALEXANDRITE BROOCH, CIRCA 1900 in silver, set with a central cabochon black opal in a border of oval cut amethysts, o

Estimate £8,000 - £12,000

AN ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as an eight rayed star set throughout with old and rose cut diamonds, the diamonds all totalling 3.1-3.3 carats, detachable brooch fittings, no assay marks, 4.6cm, 13.5g. 

Estimate £3,000 - £5,000

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH in yellow gold and silver, the openwork brooch set with a pearl of 10.5mm accented by old cut diamonds all totalling 2.8-3.0 carats, no assay marks, 4.5cm, 9.8g. Accompanied by a gemological repor

Estimate £5,000 - £7,000

AN ANTIQUE FOILED ROCK CRYSTAL AND CHRYSOLITE BROOCH in yellow gold, designed as a trefoil in foliate design set with oval cut pink foiled rock crystal, accented by round and oval cut chrysolite, suspending two swag chains and a pendant set with a fu

Estimate £600 - £800

AN ANTIQUE GEORGIAN MULTIGEM BROOCH in yellow gold, set to the centre with an oval cut aquamarine in a border of oval cut topaz and round cut garnets, accented by a cannetille frame, no assay marks, 3.0cm, 9.1g.  

Estimate £1,200 - £1,800

AN ANTIQUE SAPPHIRE AND DIAMOND CRESCENT MOON BROOCH in yellow gold, set with a round cut sapphire in a cluster of old cut diamonds, the crescent set with alternating round cut sapphires and old cut diamonds, no assay marks, 4.3cm, 3.8g.

Estimate £1,200 - £1,800

AN ANTIQUE SAPPHIRE AND PEARL BAR BROOCH in 15ct yellow gold, comprising a row of pearls accented by an open circle of round cut sapphires, stamped 15, 5.6cm, 4.4g. 

Estimate £150 - £250

TIFFANY & CO., A VINTAGE ENAMEL AND DIAMOND ROSE BROOCH / PENDANT in yellow gold, designed as a rose in bloom decorated throughout with white enamel, suspending an old cut diamond drop, signed Tiffany & Co., no assay marks, 3.5cm, 13.4g. 

Estimate £3,000 - £5,000

AN ANTIQUE PASTE AND PEARL BROOCH in 9ct yellow gold, set with fancy cut orange paste stone in a border of pearls, stamped 9CT, 2.0cm, 5.2g. 

Estimate £200 - £300

AN ANTIQUE PEARL AND TURQUOISE BROOCH in yellow gold, the bar brooch set with two cabochon turquoise and an applied knot motif set with a pearl, suspending a heart pendant set to the centre with a cabochon turquoise, no assay marks, 3.9cm, 3.3g. 

Estimate £200 - £300

AN ANTIQUE PEARL, DIAMOND AND ENAMEL BROOCH in yellow gold, the circular body set to the centre with a pearl of 5.9mm within concentric rows of rose cut diamonds and blue enamel, no assay marks, 2.0cm, 7.3g. 

Estimate £800 - £1,200

A PAIR OF VINTAGE SAPPHIRE AND DIAMOND CLIP BROOCHES  in white gold and platinum, each designed as a floral spray set with old, single and French cut diamonds, accented by round cut sapphires, the diamonds all totalling 4.0-4.3 carats, the sapphires

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND AND PEARL BROOCH in yellow gold, designed as a ribbon set with pearls and old cut diamonds, no assay marks, 3.9cm, 3.7g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND, PEARL AND ENAMEL BROOCH in yellow gold, in circular form decorated with blue enamel, with an applied heart surmounted by a bow motif set with old and rose cut diamonds, in a border of blue and white enamel, accented by pearls, wit

Estimate £1,200 - £1,600

A PEARL AND DIAMOND BAR BROOCH in 18ct white gold, the tapering bar set with a row of graduating pearls accented by round brilliant cut diamonds, stamped 750, 9.0cm, 11.5g. 

Estimate £600 - £800

AN ART DECO SAPPHIRE AND DIAMOND BROOCH set with an old European cut diamond of approximately 1.05 carats in a cluster of cabochon sapphires, accented by further old European cut diamonds and rows of cabochon sapphires, no assay marks, 5.2cm, 8.3g. 

Estimate £4,000 - £6,000

A DIAMOND AND ENAMEL NOVELTY BROOCH designed as a rabbit dressed for golf, set throughout with single cut diamonds, the body, bag and clubs decorated with blue, green and brown enamel, no assay marks, 3.8cm, 6.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND, PEARL AND RUBY WREATH BROOCH in yellow gold and silver, designed as a wreath set with rose cut diamonds and pearls, tied together with a bow set with cushion cut rubies, no assay marks, 3.5cm, 6.3g. 

Estimate £1,000 - £1,500

A DIAMOND CORONET BROOCH in 18ct white gold and platinum, set throughout with round brilliant cut diamonds, stamped 18CT PLAT, 2.9cm, 6.0g.  

Estimate £1,000 - £1,500

AN EMERALD AND DIAMOND BROOCH in 14ct white and yellow gold, designed as three interlocking ovals set with round cut diamonds, set to the centre with an octagonal step cut emerald of approximately 2.72 carats, stamped 585, 3.8cm, 6.2g. 

Estimate £1,500 - £2,500

AN ANTIQUE GARNET BROOCH in yellow gold, in scrolling form engraved with foliate details, set with oval and round cabochon garnets, suspending a detachable drop set with a further oval cabochon garnet, no assay marks, 3.8cm, 7.8g. 

Estimate £300 - £500

AN ANTIQUE EMERALD AND DIAMOND FLOWER BROOCH, 19TH CENTURY in yellow gold and silver, designed as a flower set with an octagonal step cut emerald in a border of rose cut diamonds, the leaves set with further rose cut diamonds and a round cut emerald,

Estimate £500 - £700