A MULTI GEM DOG BROOCH / PENDANT designed as a Scottish terrier set with buff top emeralds, amethysts and rubies, the collar with a bow set with round brilliant cut diamonds, inscribed 1.81 0.61 1.34 0.12, stamped 18K, 3.8cm, 11.8g. 

Estimate £400 - £600

A MODERNIST MALACHITE BROOCH in 18ct yellow gold, the abstract body set with pieces of polished malachite, stamped 750, 4.5cm, 12.9g. 

Estimate £600 - £800

AN OPAL BAR BROOCH the bar set with an oval cabochon opal, no assay marks, 6.9cm, 7.0g. 

Estimate £400 - £600

NO RESERVE - A GEMSET FLOWER VASE BROOCH designed as a vase of flowers, the flowers set with round cut garnets, blue zircon and chrysoberyl, the vase relieved in red, blue, white and green enamel, no assay marks, 3.8cm, 7.3g. 

Estimate £150 - £250

A VINTAGE PEARL BROOCH / PENDANT the stylised brooch set with a cluster of pearls, stamped K14, 4.2cm, 10.0g. 

Estimate £300 - £500

AN ANTIQUE EMERALD AND DIAMOND GRIFFIN BROOCH in yellow gold, designed as a griffin set with a round cabochon emerald and old cut diamonds, no assay marks, 3.2cm, 20.3g. 

Estimate £1,200 - £1,600

AN ANTIQUE SHELL CAMEO BROOCH set with an oval shell cameo carved to depict the Greek God Zeus and Maia with their son Hermes and an eagle, no assay marks, 5.7cm, 13.5g. 

Estimate £300 - £500

MIKIMOTO, A PEARL SPRAY BROOCH designed as a stylised bouquet tied with a bow, set with eight pearls, Mikimoto maker's mark, stamped K14, 3.8cm, 9.5g. 

Estimate £350 - £550

A PINK TOURMALINE, TURQUOISE AND DIAMOND FLOWER BROOCH designed as a flower set with an oval cabochon turquoise, the petals set with carved cabochon pink tourmalines, accented by round cabochon turquoise and round brilliant cut diamonds, no assay mar

Estimate £600 - £800

A DIAMOND AND SAPPHIRE CRESCENT MOON BROOCH designed as a crescent moon set with a row of alternating round brilliant cut diamonds and round cut sapphires, 2.7cm, 7.7g. 

Estimate £400 - £600

NO RESERVE - A CITRINE AND DIAMOND BROOCH set with an octagonal step cut citrine accented by single cut diamonds, no assay marks, 4.1cm, 7.4g. 

Estimate £200 - £300

A CITRINE AND DIAMOND BROOCH the geometric brooch set with two baguette cut citrines in a cluster of oval cut madeira citrines, accented by a border of round and baguette cut diamonds and two fancy cut citrines, no assay marks, 5.5cm, 14.8g. 

Estimate £3,000 - £5,000

A VINTAGE RUBY AND SAPPHIRE BROOCH the scrolling brooch set with round cut rubies and sapphires, no assay marks, 5.0cm, 9.7g. 

Estimate £300 - £500

AN ANTIQUE PINK TOPAZ AND DIAMOND BROOCH / PENDANT the openwork body set with oval and pear cut pink topaz, accented by old and rose cut diamonds, suspending a pear cut pink topaz drop, no assay marks, 6.8cm, 8.3g. 

Estimate £3,000 - £5,000

NO RESERVE - AN EGYPTIAN REVIVAL TURQUOISE SCARAB  BROOCH the openwork bar brooch set with an oval cabochon turquoise carved to depict a scarab, stamped 14K, 6.5cm, 5.2g. 

Estimate £250 - £350

AN ANTIQUE EMERALD AND DIAMOND GIARDINETTO BROOCH in yellow gold and silver, designed as a flower basket set with round cut emeralds and rose cut diamonds, no assay marks, 3.8cm, 7.5g. 

Estimate £500 - £700

A SAPPHIRE AND DIAMOND BROOCH set with a round brilliant cut diamond within concentric borders of further round brilliant cut diamonds and round cut sapphires, no assay marks, 2.9cm, 8.7g.

Estimate £400 - £600

NO RESERVE - A MOTHER OF PEARL AND PEARL BROOCH set with two mother of pearl plaques engraved with foliate and geometric details, accented by pearls, stamped 14K, 6.6cm, 5.6g. 

Estimate £150 - £250

NO RESERVE - TIFFANY & CO., A BOW BROOCH designed as a ropework brooch, signed Tiffany & Co., stamped STERLING 14K, 3.4cm, 6.1g. 

Estimate £200 - £300

AN ANTIQUE DIAMOND AND PASTE BIRD BROOCH designed as a phoenix set throughout with rose cut diamonds, the head set with round cut red and green paste stones, the eye set with a round cabochon red paste stone, 7.7cm, 14.5g. 

Estimate £800 - £1,200

A RETRO SAPPHIRE AND DIAMOND FLOWER BROOCH designed as a flower, the flower head set with a cluster of round cut diamonds, accented by old and rose cut diamonds, no assay marks, 6.4cm, 10.8g. 

Estimate £300 - £500

A DIAMOND AND RUBY DOG BROOCH designed as a cocker spaniel, the eyes set with round cut rubies, the collar set with round cut diamonds, stamped 750, 3.3cm, 14.2g. 

Estimate £600 - £800

AN ANTIQUE ENAMEL, PEARL AND DIAMOND BROOCH / PENDANT, 18TH CENTURY in yellow gold, the navette shaped body comprising a painted miniature mythological scene, with an angel presenting a rose cut diamond to two female figures, in a border of blue and

Estimate £1,200 - £1,600

NO RESERVE - AN ANGEL SKIN CORAL AND DIAMOND BROOCH set with an angel skin coral carved to depict a rose, accented by single cut diamonds, no assay marks, 3.6cm, 13.5g. 

Estimate £200 - £300

MIKIMOTO, A PEARL LEAF BROOCH designed as a stylised leaf set with a pearl, Mikimoto maker's mark, stamped K18, 5.3cm, 4.1g. 

Estimate £300 - £500

AN ANTIQUE MARY, QUEEN OF SCOTS MINIATURE PORTRAIT AND PEARL BROOCH set with a miniature portrait of Mary, Queen of Scots, signed Raynal, within a border of pearls, no assay marks, 3.1cm, 11.0g. 

Estimate £400 - £600

AN ARTS AND CRAFTS MULTI GEM CLIP BROOH in silver, set with citrines, garnets and fire opals, no assay marks, 4.0cm, 18.3g. 

Estimate £600 - £800

THREE CORAL BROOCHES comprising a bar brooch set with a large branch of coral, 9.0cm, a carved coral rose brooch, 5.5cm, and a coral cluster brooch, 5.4cm, total weight 37.7g. 

Estimate £500 - £700

NO RESERVE - A RUBY AND DIAMOND BROOCH designed as the profile of a woman wearing a hair ornament, the hair ornament set with round cut rubies and round brilliant cut diamonds, stamped 14K, 2.4cm, 4.7g. 

Estimate £150 - £250

AN ANTIQUE AMETHYST AND PEARL BROOCH set with a cluster of round cut amethysts within borders of seed pearls, no assay marks, 2.1cm, 4.3g.

Estimate £200 - £300