AN ANTIQUE DIAMOND STAR BROOCH in yellow gold and silver, designed as a twelve rayed star set throughout with old and rose cut diamonds, the diamonds all totalling 1.0-1.2 carats, no assay marks, 2.7cm, 4.5g. 

Estimate £600 - £800

AN ANTIQUE DIAMOND BROOCH the circular openwork brooch set to the centre with an old cut diamond of approximately 1.09 carats, accented throughout with further old cut diamonds, suspending a pear shaped old cut diamond drop, the diamonds all totallin

Estimate £3,000 - £5,000

AN ART DECO ONYX, RUBY, DIAMOND AND JADEITE JADE JABOT PIN comprising a polished hoop of onyx, accented by calibre cut jadeite jade, step cut rubies and rose cut diamonds, terminating with further onyx, diamonds and jade, no assay marks, 8.0cm, 6.9g.

Estimate £1,500 - £2,500

A DIAMOND, RUBY AND ENAMEL BUTTERFLY BROOCH designed as a butterfly decorated in cream and blue guilloche enamel, accented by old and round brilliant cut diamonds, the diamonds all totalling 0.7-0.8 carats, the eyes set with round cabochon rubies, st

Estimate £1,500 - £2,500

A PINK AND BLUE SAPPHIRE BOW BROOCH in 18ct yellow gold, designed as a bow set throughout with round cut blue and pink sapphires, stamped 18K, French import marks, 8.3cm, 45.4g. 

Estimate £5,000 - £7,000

A DIAMOND AND GARNET DUCK BROOCK  designed as a duck, pave set with round brilliant cut diamonds, the eye set with a round cut green garnet, stamped PT950, 6.9cm, 33.1g. 

Estimate £2,500 - £3,500

A RUBY AND DIAMOND LEAF BROOCH designed as a leaf set with cabochon rubies, accented by old and rose cut diamonds, no assay marks, 5.5cm, 7.4g. 

Estimate £800 - £1,200

A FINE ANTIQUE NATURAL PEARL AND DIAMOND BROOCH, EARLY 20TH CENTURY comprising a natural pearl drop of 7.67 carats in a wreath style border set with old cut diamonds, accented by a border of further old cut diamonds, no assay marks, 3.0cm, 9.2g. Acco

Estimate £10,000 - £15,000

A VINTAGE EMERALD AND DIAMOND BOW BROOCH in 18ct white and yellow gold, designed as a ribbon tied into a bow, set with square step cut emeralds and round brilliant cut diamonds, indistinct British hallmarks, 4.3cm, 12.6g.

Estimate £1,000 - £1,500

AN ANTIQUE HESSONITE GARNET AND DIAMOND BROOCH set to the centre with a cushion cut hessonite garnet of approximately 5.90 carats, the scrolling border set with old cut diamonds, no assay marks, 2.2cm, 6.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE EMERALD AND DIAMOND BROOCH in silver and yellow gold, the circular brooch set with a step cut emerald in a cluster of rose cut diamonds, the openwork border accented by further diamonds, no assay marks, 2,5cm, 5.7g. 

Estimate £1,000 - £1,500

AN ANTIQUE FRENCH AGATE CAMEO BROOCH in 18ct yellow gold, set with an oval agate cameo carved to depict the bust of a classical woman with a crown of leaves, French assay marks, 5.7cm, 42.0g. 

Estimate £1,200 - £1,600

AN ART DECO SAPPHIRE AND DIAMOND BOW BROOCH in platinum and 18ct white gold, designed as a stylised bow set with calibre cut sapphires and old and single cut diamonds, French import marks, 5.3cm, 8.9g. 

Estimate £2,000 - £3,000

A RUBY AND DIAMOND SPRAY BROOCH set with round cut rubies and accented by baguette and round brilliant cut diamonds, no assay marks, 4.5cm, 11.7g. 

Estimate £1,500 - £2,500

AN OPAL AUSTRALIA BROOCH designed as the outline of Australia, set to the centre with a fancy shaped boulder opal representing the site of Ayres Rock, accented by oval cabochon opals representing Sydney and other major cities, stamped 18K, 8.5cm, 17.

Estimate £1,200 - £1,800

TIFFANY & CO., AN EMERALD AND ENAMEL CHEETAH BROOCH designed as a cheetah, the spots relieved in brown enamel, the eyes set with round cabochon emeralds, signed Tiffany, stamped 18K, 5.4cm, 19.9g. 

Estimate £2,500 - £3,500

A RETRO DIAMOND BOW BROOCH / PENDANT in yellow gold, designed as a stylised bow set with single cut diamonds, suspending two rows of snake links terminating with tapering drops set with further single cut diamonds, no assay marks, 8.1cm, 28.2g. 

Estimate £2,000 - £2,500

AN ANTIQUE SWISS ENAMEL BROOCH, CIRCA 1840 in yellow gold, of oval outline, set with an enamelled miniature of a man blowing a horn, with a reclining woman and goat, with a backdrop of mountains and a chalet, the setting with a scalloped border, no a

Estimate £400 - £600

A LAPIS LAZULI, CORAL, TURQUOISE AND DIAMOND BROOCH / PENDANT set to the centre with a pear cabochon lapis lazuli, accented throughout with cabochon coral, lapis lazuli and turquoise and round brilliant cut diamonds, stamped K18, 8.3cm, 45.1g. 

Estimate £2,000 - £3,000

AN ORANGE AND YELLOW SAPPHIRE ROSE BROOCH designed as a rose set with various shaked of round cut orange and yellow sapphires, stamped 750, 5.8cm, 43.1g. 

Estimate £1,200 - £1,600

AN ANTIQUE CAMEO BROOCH in 9ct yellow gold, set with an oval shell cameo carved to depict the Biblical scene of the finding of Moses, stamped 9C, 5.8cm, 22.4g. 

Estimate £1,200 - £1,600

AN ANTIQUE STAR SAPPHIRE AND PASTE BROOCH in yellow gold and silver, set with a cabochon star sapphire of approximately 13.00 carats in a border of old cut diamonds, no assay marks, 1.9cm, 4.5g. 

Estimate £400 - £600

AN ANTIQUE GEORGIAN AMETHYST AND CITRINE RHINOCEROS BEETLE BROOCH jewelled with amethysts and citrines, no assay marks, 6.5cm, 32.3g. 

Estimate £3,000 - £5,000

AN ANTIQUE SWISS ENAMEL BROOCH in 18ct yellow gold, set with an oval plaque enamelled with a view of people in a field, against a backdrop of a Swiss town with mountains and a lake in the distance, within a border of vine design accented with green e

Estimate £400 - £600

AN ANTIQUE ESSEX CRYSTAL INTAGLIO BROOCH set with an oval Essex crystal intaglio carved and painted to depict a family of ducks on a river, marked indistinctly, 4.0cm, 19.6g. 

Estimate £2,000 - £3,000

AN ANTIQUE OPAL AND DIAMOND BAR BROOCH in yellow gold, set with an oval cabochon opal accented by single and rose cut diamonds, French import marks, 7.3cm, 8.9g. 

Estimate £600 - £800

AN ANTIQUE SHELL CAMEO PENDANT / BROOCH, LATE 19TH CENTURY in yellow gold, set with an oval shell cameo of a woman in classical dress, within an open work border, the reverse with a hinged pendant fitting, no assay marks, 5.1cm, 10.7g.

Estimate £100 - £150

CHILD & CHILD, AN ANTIQUE ENAMEL DAISY BROOCH designed as a bow decorated with turquoise and white enamel, suspending an enamelled daisy motif, maker's mark, no assay marks, 4.0cm, 6.9g. Accompanied by a fitted Child & Child box. 

Estimate £300 - £500

AN ANTIQUE SAPPHIRE AND DIAMOND CIRCLE BROOCH in yellow gold and silver, designed as an open circle set with round cut sapphires and rose cut diamonds, no assay marks, 2.6cm, 6.2g. 

Estimate £500 - £700

A FINE ANTIQUE AGATE, DIAMOND AND ENAMEL CAMEO BROOCH, 19TH CENTURY in high carat yellow gold, set with a carved agate cameo depicting the bust of a classical woman wearing a pair of earrings and a necklace, within a black enamel border set with a ro

Estimate £1,500 - £2,500