AN ANTIQUE ART DECO RUBY AND DIAMOND BAR BROOCH in yellow gold, comprising a row of square step cut rubies and rose cut diamonds, no assay marks, 7.7cm, 4.7g. 

Estimate £300 - £500

A DIAMOND ARROW BROOCH in yellow and white gold, set with an old cut diamond of approximately 0.50 carats, accented by further single cut diamonds, no assay marks, 5.8cm, 5.7g.

Estimate £1,000 - £1,500

AN ANTIQUE ART NOUVEAU PASTE AND PLIQUE A JOUR ENAMEL BROOCH in yellow gold, set with a purple paste cabochon accented on each side by a bird with outstretched wings, the wings decorated with purple and green plique a jour enamel, marked indistinctly

Estimate £500 - £700

A FROSTED ROCK CRYSTAL AND DIAMOND BROOCH in 18ct white gold, set with a circular ring of frosted rock crystal accented by two openwork diamond set sections, no assay marks, 4.8cm, 13.3g. 

Estimate £1,200 - £1,800

A MULTICOLOUR TOURMALINE, DIAMOND AND PERIDOT LEAF BROOCH in 18ct yellow gold, designed as a stylised leaf set with oval cut green, blue, pink and red tourmalines, a round cut peridot and round brilliant diamonds, stamped 750, 7.8cm, 15.1g.

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

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

A NATURAL SALTWATER PEARL AND DIAMOND BROOCH / PENDANT in 18ct yellow gold, set with a natural saltwater pearl of 8.7mm in a cluster of rose and old cut diamonds, in a border of further pearls, no assay marks, 2.5cm, 10.3g. Accompanied by two gemmolo

Estimate £1,500 - £2,500

A VINTAGE DIAMOND & SYNTHETIC SAPPHIRE BOW BROOCH in platinum, set with a central old cut diamond accented by step cut synthetic sapphires and old cut diamonds, the diamonds all totalling 2.0-2.5 carats, no assay marks, 7.5cm, 14.2g.

Estimate £1,500 - £2,500

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

AN ANTIQUE EDWARDIAN DIAMOND BROOCH in rhodium plated gold, the openwork scrolling brooch set throughout with old and rose cut diamonds, suspending an old European cut diamond and a pear shaped drop set with further old European cut diamonds, the dia

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND FLORAL SPRAY BROOCH in yellow gold and silver, set throughout with old mine cut diamonds totalling 2.5-3.0 carats, no assay marks, 7.5cm, 11.8g.

Estimate £700 - £900

A DIAMOND AND PEARL BIRD BROOCH in 14ct yellow gold, designed as two birds perched on a branch, the body of one bird set with a grey pearl and the body of the other pearl set with a white pearl, the heads and branch pave set with single cut diamonds,

Estimate £500 - £700

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

A RUBY AND DIAMOND BROOCH in 18ct yellow and white gold, designed as a stylised ribbon set with old cut diamonds, accented by a row of rectangular step cut rubies, ABD maker's mark, partial British hallmarks, 4.4cm, 10.7g. 

Estimate £350 - £450

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

AN ANTIQUE FRENCH GARNET BROOCH in 18ct yellow gold, the domed openwork body set with round cut garnets accented by engraved foliate details, suspending three drops set with further garnets, French assay mark, 7.5cm, 26.8g. Accompanied by a fitted Ga

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND, RUBY AND PEARL BROOCH / PENDANT in yellow gold and silver, the openwork heart shaped brooch set throughout with old cut diamonds suspending a pear cut ruby in a cluster of further old cut diamonds and a pearl drop, detachable broo

Estimate £600 - £800

AN ANTIQUE ART DECO DIAMOND BROOCH in platinum, the pierced openwork brooch set throughout with old cut diamonds, the diamonds all totalling 4.0-4.2 carats, no assay marks, 4.5cm, 7.5g. 

Estimate £1,500 - £2,000

A VINTAGE DIAMOND BROOCH in 18ct yellow gold, designed as a stylised basket of flowers, set with marquise, baguette and round brilliant cut diamonds totalling 2.04 carats, partial British hallmarks, stamped 18K 750, 3.4cm, 8.1g.

Estimate £800 - £1,200

A VINTAGE TURQUOISE AND RUBY BROOCH in 18ct yellow gold, designed as a stylised horse accented with cabochon turquoise and a round cut ruby, and enamel detailing, signed RHB, Birmingham import marks, 4.0cm, 15.6g. 

Estimate £700 - £900

A RIVER PEARL, AQUAMARINE AND DIAMOND BROOCH in 14ct yellow gold, set with a river pearl with an inlaid round brilliant cut diamond to a stylised twisted bar terminated with a pear cut aquamarine, full British hallmarks, 8.8cm, 11.8g.

Estimate £400 - £600

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

A PINK SAPPHIRE, DIAMOND AND PEARL HEART BROOCH in white gold, the openwork heart set to the centre with a cushion cut pink sapphire of approximately 1.10 carats accented by round brilliant cut diamonds, suspending a pearl drop, no assay marks, 3.8cm

Estimate £400 - £600

NO RESERVE - A CAMEO BROOCH in 9ct yellow gold, comprising an oval shell cameo carved to depict Nike pulling the reins of three horses, full British hallmarks, 6.2cm, 21.2g. 

Estimate £150 - £250

NO RESERVE - AN ANTIQUE PINK TOPAZ AND CHRYSOBERYL BROOCH set with an oval cut pink topaz accented by oval cut chrysoberyls, no assay marks, 3.1cm, 4.9g. 

Estimate £200 - £300

NARDI, A TURQUOISE, AMBER AND GARNET BLACKAMOOR BROOCH in 18ct yellow gold, the carved amber face surmounted by a turban set with an oval cut garnet and cabochon turquoise, the garments accented by further cabochon turquoise, signed Nardi, stamped 75

Estimate £2,000 - £3,000

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 GARNET GRAPE LOCKET / BROOCH in yellow gold, the oval body with an applied bunch of grapes set with round cut garnets, accented by twisted wirework and engraved decoration, the reverse with a glass covered locket compartment containing a p

Estimate £600 - £800

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

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 DIAMOND FEATHER BROOCH in platinum and yellow gold, designed as a feather pave set with single cut yellow, brown, and white diamonds, no assay marks, 6.0cm, 10.9g. 

Estimate £400 - £600