PALOMA PICASSO FOR TIFFANY & CO., A LOVING HEART BROOCH designed as a heart shaped ribbon, signed Paloma Picasso, signed Tiffany & Co., stamped 750, 3.2cm, 9.0g. 

Estimate £500 - £700

A RETRO DIAMOND BOW BROOCH in yellow gold, designed as a stylised bow set with round brilliant cut diamonds, no assay marks, 7.6cm, 32.0g. 

Estimate £2,000 - £3,000

A FINE RETRO DIAMOND FLORAL SPRAY BROOCH in yellow gold, designed as a floral spray set with floral clusters of old cut diamonds, the sprays set with further old cut diamonds, the diamonds totalling 8.0-9.0 carats, no assay marks, 7.4cm, 45.5g.

Estimate £3,500 - £5,500

A VINTAGE SAPPHIRE AND DIAMOND FLOWER BROOCH the scrolling brooch set throughout with single cut diamonds, accented by a flower motif set with a single cut diamonds in a cluster of pear cut sapphires, stamped 750, 5.0cm, 9.5g. 

Estimate £450 - £550

AN EMERALD, DIAMOND AND OPAL BAR BROOCH designed as a bar set to each end with a round brilliant cut diamond, suspending two articulated drops set with round and oval cabochon opals and round and rectangular step cut emeralds, pin with full British h

Estimate £400 - £600

A DIAMOND AND RUBY POLO BROOCH / PENDANT designed as a polo shirt, hat, polo mallet and horseshoe, the shirt pave set with round brilliant cut diamonds, the collar set with calibre cut rubies, no assay marks, 3.6cm, 17.1g. 

Estimate £2,500 - £3,500

A TURQUOISE, SAPPHIRE AND DIAMOND FOUR LEAF CLOVER BROOCH designed as a four leaf clover set with a cluster of round brilliant cut diamonds, the leaves set with a pear shaped cabochon turquoise in a border of round cut sapphires, the stem set with si

Estimate £1,200 - £1,600

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH comprising a row of pearls in a border of rose cut diamonds, pin with French import mark for 18ct white gold, 6.0cm, 6.0g. Accompanied by a fitted antique jewellery box. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND AND PEARL BROOCH / PENDANT NECKLACE the openwork brooch / pendant set with old cut diamonds, suspending an old cut diamond and pearl drop, suspended from a later belcher chain, chain stamped 750, pendant 4.0cm, chain 43.0cm, 9.8g. 

Estimate £400 - £600

NO RESERVE - AN ANTIQUE MICROMOSAIC BROOCH comprising a polished onyx plaque inlaid with variously coloured pieces of glass depicting the Roman Colosseum, no assay marks, 2.6cm, 7.8g. 

Estimate £100 - £150

AN ANTIQUE CAMEO LOCKET PENDANT the oval pendant set with a cameo carved to depict the Greek God Hermes wooing the Goddess Aphrodite beneath a glass panel, within a border of pearls, with a portrait of an Edwardian woman to the reverse, no assay mark

Estimate £1,200 - £1,600

JANESICH, AN ANTIQUE DIAMOND BAR BROOCH comprising a row of old and round cut diamonds, signed Janesich, no assay marks, 7.9cm, 6.5g. 

Estimate £2,500 - £3,500

NO RESERVE - AN ANTIQUE GARNET HALLEY'S COMET BROOCH designed as Halley's Comet, set with round and cushion cut garnets, no assay marks, 2.7cm, 2.6g. 

Estimate £100 - £150

AN ANTIQUE PEARL AND ENAMEL BROOCH decorated in blue guilloche enamel set to the centre with a pearl, in a border of further pearls, no assay marks, 3.8cm, 7.8g. 

Estimate £150 - £250

AN ANTIQUE PEARL AND DIAMOND CRESCENT MOON AND STAR BROOCH designed as a crescent moon set with two rows of seed pearls, accented by a star motif set with an old cut diamond, no assay marks, 2.9cm, 7.1g. 

Estimate £250 - £350

AN ANTIQUE AQUAMARINE BROOCH in yellow gold, set with five oval cut aquamarines, suspending a woven chain terminating with a foliate style pendant set with a further oval cut aquamarine, no assay marks, 8.8cm, 15.2g.

Estimate £700 - £900

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH comprising a row of alternating pearls and rose cut diamonds, no assay marks, 3.1cm, 2.0g. 

Estimate £80 - £120