AN ANTIQUE AUSTRIAN DIAMOND BOW BROOCH in yellow gold and silver, set throughout with old cut diamonds, Austrian assay marks, 3.5cm, 5.3g. 

Estimate £1,000 - £1,500

A SET OF DIAMOND HAIR CLIPS in white gold, each hair clip in a scrolling design set with old cut diamonds, no assay marks, each clip measuring 4.3cm, 15.2g.

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND BROOCH in 14ct yellow and white gold, of ribbon and floral design, set throughout with old mine cut diamonds totalling 2.0-2.5 carats, stamped K14 580, 6.0cm, 10.9g.

Estimate £2,500 - £3,500

AN ANTIQUE EMERALD AND DIAMOND CLOVER BROOCH in yellow gold and silver, designed as a four leaf clover, set to the centre with a step cut emerald and accented by old cut diamonds, no assay marks, 2.1cm, 5.7g. 

Estimate £500 - £700

AN ANTIQUE GEORGIAN DIAMOND PORTRAIT MINIATURE BROOCH in yellow gold and silver, set with a painted portrait miniature of a gentleman beneath a glass panel, in a border of old cut diamonds, no assay marks, 2.0cm, 4.1g. 

Estimate £1,000 - £1,500

CARTIER, A VINTAGE CORAL AND DIAMOND BROOCH in 18ct yellow gold, designed as a stylised heart, set with polished coral batons, engraved leaves and a cluster of round brilliant cut diamonds, signed Cartier and numbered, French assay marks, 4.2cm, 21.3

Estimate £7,000 - £9,000

A VINTAGE MULTIGEM FLORAL SPRAY BROOCH in 14ct yellow gold, designed as a bouquet of flowers, set with round cut blue zircons and garnets and accented by a cluster of round cut amethyst, sapphires, prasiolite, citrine and diamonds, full British hallm

Estimate £800 - £1,200

AN OPAL AND DIAMOND PENDANT NECKLACE in 18ct yellow gold, the pendant set with a princess cut diamond and a pear shaped cabochon opal, suspended from a curb chain, stamped 750, pendant 3.2cm, chain 38.0cm, 4.8g. 

Estimate £1,000 - £1,500

A RUBY AND DIAMOND BROOCH in 18ct yellow and white gold, designed as an open circle set with alternating round brilliant cut diamonds and round cut rubies, the diamonds totalling 1.0-1.2 carats, the rubies totalling approximately 1.8-2.0 carats, 2.6c

Estimate £700 - £900

A SAPPHIRE BROOCH in 18ct tricolour gold, the abstract brooch in yellow, white, and rose gold accented by seven square step cut sapphires, stamped 750, 4.2cm, 10.2g. 

Estimate £400 - £600

AN ART DECO DIAMOND AND ROCK CRYSTAL BROOCH in white gold and platinum, in geometric form set with rock crystal inset with old cut diamonds, accented by further old cut diamonds, the diamonds all totalling 2.5-2.7 carats, French assay marks, 4.0cm, 1

Estimate £3,500 - £4,500

A SAPPHIRE AND DIAMOND BAR BROOCH in platinum, set to the centre with a round cut sapphire of approximately 0.75 carats in a geometric openwork brooch set with round brilliant cut diamonds and calibre cut sapphires, no assay marks, 6.4cm, 7.8g. 

Estimate £1,000 - £1,500

A SYNTHETIC RUBY, ONYX AND DIAMOND FLAG BROOCH in yellow gold, designed as a black and white striped flag set with onyx and rose cut diamonds accented in the corner by a faceted synthetic ruby, no assay marks, 2.3cm, 2.9g. 

Estimate £500 - £700

AN ANTIQUE AMETHYST, PEARL AND ENAMEL BROOCH in yellow gold, set with a round cabochon amethyst, in an openwork foliate style border set with seed pearls accented by red, white and blue enamel, no assay marks, 3.7cm, 12.3g. 

Estimate £800 - £1,200

A RUBY AND DIAMOND FLOWER BROOCH in platinum, designed as a bouquet of hyacinths, the flowers set with round cut rubies, the stems and ribbon set with single cut diamonds, no assay marks, 5.5cm, 11.7g. 

Estimate £400 - £600

NO RESERVE - A FRENCH GOLD BEAVER BROOCH in 18ct yellow gold, designed as a textured beaver holding a branch, French maker's mark, French assay marks, 3.0cm, 5.4g. 

Estimate £100 - £200

AN ANTIQUE OPAL AND DIAMOND BIRD BROOCH in yellow gold, the body of the bird carved from a piece of opal, the eye set with a cabochon cut ruby, the wings and tail feathers set with old cut diamonds and emeralds, French import marks, 4.7cm, 9.9g. 

Estimate £1,200 - £1,800

A DIAMOND AND EMERALD BAR BROOCH in platinum, set with a row of old cut diamonds accented by calibre cut emeralds, no assay marks, 6.6cm, 8.6g. 

Estimate £1,200 - £1,800

AN EMERALD, SAPPHIRE AND DIAMOND BROOCH / PENDANT in 14ct yellow gold, set with a Mughal carved emerald in a border of cabochon sapphires, accented by round cut diamonds, suspending three pear shaped cabochon sapphire drops, stamped 14K, 5.5cm, 24.3g

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a spray of flowers set throughout with rose cut diamonds, no assay marks, 4.3cm, 11.6g. 

Estimate £500 - £700

A CORAL CAMEO BROOCH / PENDANT AND CHARM in 18ct yellow gold, the brooch / pendant set with a coral cameo carved to depict the bust of a woman, stamped 750, partial British hallmarks, 3.5cm, 15.0g, accompanied by a small cameo pendant / charm in 9ct

Estimate £400 - £600

A RUBY AND DIAMOND FLORAL SPRAY BROOCH in 18ct yellow, rose, and white gold, designed as a bouquet of flowers set with round cut rubies and accented by round brilliant cut diamonds, no assay marks, 7.0cm, 30.6g. 

Estimate £1,200 - £1,800

AN ANTIQUE FRENCH ONYX AND DIAMOND JABOT PIN in 18ct yellow gold, set with a cabochon cut onyx in a border of rose cut diamonds, terminating in a further row of rose cut diamonds and a polished onyx cabochon, French assay marks, 9.0cm, 5.0g. 

Estimate £1,500 - £2,500

AN ANTIQUE VICTORIAN GARNET MOURNING BROOCH designed as an interlocking knot, set with oval and round cut garnets and accented by twisted wirework, with a small glass locket containing hairwork to the reverse, no assay marks, 5.5cm, 15.8g. 

Estimate £600 - £800

NO RESERVE - A CAMEO PENDANT / BROOCH in 9ct yellow gold, set with a blue moulded glass cameo depicting a woman in profile accented by flowers, Cropp & Farr maker's mark, full hallmarks for Birmingham 1964, 3.9cm, 9.1g. 

Estimate £100 - £150

AN ANTIQUE FRENCH SAPPHIRE AND DIAMOND CLOVER SPRAY BROOCH in 18ct yellow gold and silver, designed as a spray of clovers set with round cut sapphires accented by old and rose cut diamonds, the diamonds all totalling 1.4-1.7 carats, French assay mark

Estimate £3,000 - £5,000

A TOPAZ, DIAMOND AND ENAMEL EN TREMBLANT FLOWER BROOCH in yellow gold, designed as a floral spray, the en tremblant flower head set with pear cut topaz and old cut diamonds, the stem and leaves decorated with green enamel accented by further old cut

Estimate £6,000 - £8,000

AN ART DECO DIAMOND BAR BROOCH in platinum, set with old cut diamonds in a pierced geometric design, the diamonds totalling 2.5 - 3.0 carats, no assay marks, 8.7cm, 12.4g. 

Estimate £1,500 - £2,500

AN EMERALD, DIAMOND, AND PEARL BAR BROOCH in 18ct white gold, set to the centre with a cabochon cut emerald flanked by two rows of alternating rose cut diamonds and emeralds, terminating in two pearls, no assay marks, 8.1cm, 7.6g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN CARNELIAN, DIAMOND AND PEARL CAMEO BROOCH in 18ct yellow gold, set with a kite shaped carnelian cameo depicting a classical woman in an ornate frame decorated with rose gold and silver rose motifs, old cut diamonds, and pearls, s

Estimate £700 - £900

A SAPPHIRE, DIAMOND AND PEARL BROOCH in 18ct yellow gold, set to the centre with an oval cut sapphire of approximately 3.40 carats in a border of round brilliant cut diamonds in an openwork surround of round brilliant cut diamonds and pearls, stamped

Estimate £1,500 - £2,500

NO RESERVE - A VINTAGE MARCASITE AND PASTE DACHSHUND BROOCH in silver, designed as a dachshund the eye set with a round cut red paste gemstone, the collar set with rose cut marcasite, stamped 935, 2.8cm, 4.2g. 

Estimate £60 - £80

A DIAMOND SPRAY BROOCH in platinum, designed as an abstract floral bouquet set with round brilliant cut and baguette cut diamonds, the diamonds all totalling 4.5-5.0 carats, no assay marks, 6.2cm, 19.1g. 

Estimate £2,000 - £3,000

A BURMA NO HEAT RUBY, JADEITE JADE AND DIAMOND PENDANT in platinum and yellow gold, set with a section of carved jadeite jade and accented by rubies and diamonds, within an openwork border of rose cut diamonds, no assay marks, 5.0cm, 9.2g. 

Estimate £1,200 - £1,600

A SYNTHETIC RUBY AND DIAMOND SPRAY BROOCH in 14ct yellow gold, set to the centre with an oval cut synthetic ruby in a border of round brilliant cut diamonds, accented radiating spokes set with baguette cut diamonds and round cut rubies, no assay mark

Estimate £1,000 - £1,500

AN ANTIQUE GEMSET BUTTERFLY BROOCH set throughout with round cut multicoloured paste stones and opalescent glass, one stone missing, no assay marks, 5.0cm, 13.9g. 

Estimate £400 - £600

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH in yellow gold, set with a cushion cut sapphire in a border of rose cut diamonds, no assay marks, 4.9cm, 5.5g. 

Estimate £300 - £500

A PASTE FLY BROOCH in yellow gold and silver, designed as a fly set with colourless paste and green paste stones, indistinct assay marks, 2.9cm, 10.8g. 

Estimate £400 - £600