AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold, comprising a row of round cut sapphires and old cut diamonds, no assay marks, 6.3cm, 3.8g. Accompanied by a fitted box. 

Estimate £400 - £600

AN ANTIQUE DIAMOND AND PEARL BAR BROOCH set with a pearl of 5.9mm terminated at each end with an old cut diamond, no assay marks, 5.1cm, 3.7g. 

Estimate £300 - £500

GERTRUDE ROUGIE FOR ANTON MICHELSEN, A VINTAGE LEAF BROOCH, 1950S in silver, designed as three leaves with two articulated drops, signed Gertrude Rougie, Anton Michelsen maker's mark, stamped Sterling Denmark, 5.7cm, 12.3g. 

Estimate £150 - £250

THREE ANTIQUE ONYX AND PEARL BROOCHES one in oval design set with a polished onyx with an applied star motif set with pearls, with a glass covered locket compartment to the reverse, stamped 15CT, 4.3cm, 12.6g, one comprising a polished onyx with an a

Estimate £200 - £300

AN ANTIQUE EMERALD LOCKET BROOCH in yellow gold, designed as a belt buckle with vine leaves, set with clusters of step cut emeralds, suspending swag chains and a drop designed as a bunch of grapes set with further emeralds, with a glass covered locke

Estimate £400 - £600

A RUBY AND DIAMOND DOG BROOCH designed as a stylised dog, the eye set with a cabochon ruby accented by single cut diamonds, no assay marks, 3.7cm, 15.7g. 

Estimate £600 - £800

AN ANTIQUE DIAMOND, TURQUOISE AND PEARL DRAGONFLY BROOCH in yellow gold, designed as two dragonflies connected by a length of chain, one set with a row of old cut diamonds the other set with a row of cabochon turquoise, the wings set with seed pearls

Estimate £800 - £1,200

AN ANTIQUE ENAMEL HEART PENDANT AND BROOCH the heart pendant decorated with two intersecting blue enamel anchor motifs, cracked glass panel to the reverse, no assay marks, 1.5cm, 0.8g, the brooch designed as an engraved knot suspending a heart charm,

Estimate £100 - £150

AN ANTIQUE DIAMOND, CITRINE, RUBY AND ENAMEL HATCHING CHICK BROOCH in 18ct yellow gold and silver, designed as a hatchling chick set with old cut diamonds and round and cushion cut citrine, the eye set with a cabochon ruby, the cracked egg shell deco

Estimate £1,200 - £1,600

A RETRO SYNTHETIC SAPPHIRE AND BLUE TOPAZ BROOCH in scrolling form set with rows of rectangular step cut synthetic sapphires and rectangular step cut blue topaz, no assay marks, 3.7cm, 16.7g. 

Estimate £500 - £700

AN ANTIQUE RUBY MOUSE BROOCH in yellow gold, designed as a mouse, the eyes set with round cut rubies, with an articulated tail, no assay marks, 5.2cm, 5.8g.

Estimate £500 - £700

A PEARL GRAPE BROOCH in silver, designed as a bunch of grapes set with pearls, no assay marks, 6.5cm, 14.7g. 

Estimate £150 - £250

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold and silver, set with a cushion cut sapphire of approximately 1.13 carats in a cluster of old cut diamonds, accented by further old cut diamonds, the diamonds all totalling 1.8-2.0, terminating

Estimate £2,500 - £3,500

AN ANTIQUE CITRINE, PEARL AND DIAMOND PENDANT set with an oval cut citrine in a border of pearls surmounted by a bow set with rose cut diamonds, no assay marks, 3.5cm, 8.2g. 

Estimate £500 - £700

AN ANTIQUE PEARL LYRE MOURNING BROOCH designed as a lyre set with a glass locket panel containing hairwork in a border of pearls, no assay marks, 2.2cm, 2.8g. 

Estimate £350 - £450

AN ANTIQUE RUBY, DIAMOND AND ENAMEL FAN BROOCH in yellow gold, designed as a fan set with an oval cut ruby in a cluster of old cut diamonds, the openwork fan set further clusters of round cut rubies and rose cut diamonds, accented by a border of whit

Estimate £2,000 - £3,000

A FRENCH DIAMOND SPRAY BROOCH in 18ct white gold, designed as an abstract spray set with old European, round brilliant, trillion, single and baguette cut diamonds, the diamonds all totalling 7.5-8.5 carats, French maker's mark, French assay marks, 6.

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND BROOCH in 18ct yellow gold, the oval brooch set with an old European cut diamond accented by two rows of old cut diamonds in a laurel wreath style border set with further old European and single cut diamonds, the diamonds all total

Estimate £1,500 - £2,500

AN ART NOUVEAU PLIQUE A JOUR BROOCH in silver, designed as a woman holding a billowing cloak, decorated with green and pink plique a jour enamel, stamped 900, 3.5cm, 6.6g. 

Estimate £400 - £600

AN ANTIQUE PEARL BAR BROOCH in 9ct rose gold, the bar set with a pearl, stamped 9, 7.4cm, 3.0g. 

Estimate £100 - £150

AN ANTIQUE PEARL AND DIAMOND SWORD BROOCH in yellow gold and silver, designed as a sword intersecting a crown, set with pearls and old and rose cut diamonds, no assay marks, 9.0cm, 10.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE PEARL AND DIAMOND HORSESHOE ARROW BROOCH designed as an arrow with an applied horseshoe motif set with alternating pearls and rose cut diamonds, no assay marks, 5.4cm, 3.8g. 

Estimate £100 - £150

AN ANTIQUE SAPPHIRE BAR BROOCH in yellow gold, set with a round cut sapphire, no assay marks, 5.2cm, 2.9g. 

Estimate £150 - £250

AN ANTIQUE CITRINE, PEARL AND DIAMOND BROOCH / PENDANT in yellow gold, set with an oval cut citrine of approximately 17.38 carats in a foliate style border set with pearls and an old cut diamond, suspending a round cut citrine drop, no assay marks, 5

Estimate £600 - £800

AN ART DECO DIAMOND BROOCH the openwork brooch set with a central old European cut diamond of approximately 0.72 carats accented by single cut diamonds, no assay marks, 5.0cm, 11.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE FRENCH GARNET AND PEARL INSECT BROOCH designed as a winged insect, the body set with oval cut garnets accented by pearls, the eyes set with cabochon garnets, the wings set with rows of pearls, French assay marks, 3.6cm, 8.7g. 

Estimate £600 - £800

A VINTAGE DIAMOND BROOCH in 14ct white gold, designed as an abstract floral spray set throughout with round brilliant and single cut diamonds, the diamonds all totalling 2.0-2.4 carats, stamped 14K, 5.2cm, 11.7g. 

Estimate £600 - £800

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 £800 - £1,200

A VINTAGE SHELL CAMEO BROOCH in yellow gold, set with a shell cameo carved to depict the profile of a lady, within a twisted gold frame, no assay marks, 4.0cm, 9.5g. 

Estimate £100 - £150

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 AQUAMARINE AND PINK TOPAZ BROOCH in yellow gold, in foliate design, set with pear shaped aquamarines suspending a swag chain and articulated pear shaped pink topaz drop, no assay marks, 4.6cm, 5.5g.

Estimate £250 - £350

AN ANTIQUE DIAMOND, TIGER'S EYE, PEARL, EMERALD AND ENAMEL BEE BROOCH in yellow gold and silver, designed as a bee, the body set with rows of rose cut diamonds and black enamel, the head set with a cabochon tiger's eye, the eyes set with round cut em

Estimate £800 - £1,200

AN ANTIQUE DIAMOND AND PEARL BROOCH / PENDANT in yellow gold and silver, designed as two wing motifs set with old cut diamonds, accented by further old cut diamonds and pearls, no assay marks, 2.5cm, 7.9g. 

Estimate £1,500 - £2,500

A VINTAGE DIAMOND BROOCH in scrolling form, set with single and baguette cut diamonds all totalling 1.3-1.5 carats, no assay marks, 3.5cm, 7.2g. 

Estimate £1,000 - £1,500

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

AN ANTIQUE SHELL CAMEO BROOCH in 9ct yellow gold, set with a shell cameo carved to depict The Three Graces, stamped 9ct, 5.2cm, 13.0g. 

Estimate £100 - £150