A MOONSTONE, RUBY AND ENAMEL SEAHORSE BROOCH in 18ct yellow gold, designed as a seahorse set with oval and round cabochon cat's eye moonstones, accented by green enamel, the eye set with a round cabochon ruby, stamped 750, 5.6cm, 15.8g. 

Estimate £1,000 - £1,500

AN ANTIQUE PEARL AND EMERALD LILY OF THE VALLEY BROOCH in silver gilt, designed as a spray of lily of the valley, the buds set with pearls accented by cushion cut emeralds, no assay marks, 9.1cm, 17.3g. 

Estimate £1,500 - £2,500

A DIAMOND BOW BROOCH in yellow gold and silver, designed as a bow set throughout with old and rose cut diamonds, no assay marks, 2.6cm, 3.7g. 

Estimate £600 - £800

AN ANTIQUE AMETHYST, PEARL AND DIAMOND BROOCH / PENDANT, EARLY 20TH CENTURY in yellow gold and silver, set with an oval cut amethyst, within a pierced border set with pearls and rose cut diamonds, no assay marks, 3.2cm, 12.0g. 

Estimate £400 - £600

AN ANTIQUE OPAL AND DIAMOND BROOCH, EARLY 20TH CENTURY set with a cabochon opal of approximately 11.68 carats, accented by old and rose cut diamonds, no assay marks, 5.0cm, 10.7g. 

Estimate £3,000 - £5,000

A NATURAL UNTREATED JADEITE JADE AND DIAMOND CLIP BROOCH set with a jadeite jade plaque carved to depict foliage, accented by single and baguette cut diamonds, M&M maker's mark, stamped 18CT, 3.3cm, 9.0g. Accompanied by a gemmological report stating

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a flower set with old cut diamonds over a ground of blue glass, the principal diamond measuring 7.76mm x 7.43mm, within a floral border set with further old and step cut

Estimate £5,000 - £7,000

AN ANTIQUE RUBY AND DIAMOND BUTTERFLY BROOCH in yellow gold, designed as a butterfly set throughout with round and cushion cut rubies and rose cut diamonds, the rubies totalling 2.3-2.6 carats, the diamonds totalling 3.8-4.2 carats, no assay marks, 4

Estimate £3,000 - £5,000

NO RESERVE - A COLLECTION OF JEWELLERY comprising a cameo brooch, no assay marks, 3.4cm, 6.4g, an antique diamond and enamel Etruscan Revival brooch, no assay marks, 3.6cm, 8.2g, a garnet brooch, no assay marks, 3.8cm, 14.4g, a pearl and sapphire clu

Estimate £100 - £200

AN ANTIQUE DIAMOND AND RUBY FLY BROOCH in yellow gold and silver, designed as a fly set throughout with rose cut diamonds, the eyes set with cabochon rubies, no assay marks, 3.0cm, 7.0g. 

Estimate £2,000 - £3,000

AN ONYX, TURQUOISE AND DIAMOND LADYBIRD BROOCH in 18ct yellow and white gold, designed as a ladybird, the wings comprising polished onyx inlaid with polished turquoise, accented by round brilliant cut diamonds, Italian assay marks, stamped 750, 4.3cm

Estimate £1,200 - £1,600

AN EMERALD AND DIAMOND BROOCH the openwork brooch set with a round cabochon emerald of approximately 14.36 carats, accented by round brilliant and single cut diamonds, no assay marks, 4.4cm, 16.7g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN SCOTTISH HARDSTONE GARTER BELT in silver, the circular brooch set with various harstones, no assay marks, 6.5cm, 26.0g. 

Estimate £250 - £350

A BAROQUE PEARL, PINK TOURMALINE, CHRYSOBERYL, CITRINE AND DIAMOND LEAF BROOCH designed as a spray of maple leaves, the leaves set variously with round cut pink tourmalines, chrysoberyls and citrines, the brand set with round cut white and black diam

Estimate £2,000 - £3,000

AN ANTIQUE VICTORIAN PEARL AND ENAMEL HEART AND CRESCENT MOON MOURNING BROOCH in yellow gold, designed as a crescent moon decorated in black enamel, accented by a witches heart set with seed pearls, no assay marks, 4.4cm, 4.1g. 

Estimate £200 - £300

AN ANTIQUE PEARL AND DIAMOND BROOCH / PENDANT in yellow gold and silver, the scrolling foliate style brooch set throughout with old cut diamonds and a pearl of 8.2mm, no assay marks, brooch size 4.5cm, pendant size 5.7cm, 16.1g.

Estimate £6,000 - £8,000

AN ANTIQUE VICTORIAN TURQUOISE AND PEARL CROSS BROOCH / PENDANT in yellow gold, designed as a stylised cross set throughout with round cabochon turquoise and pearls, no assay marks, 4.5cm, 9.4g. 

Estimate £1,000 - £1,500

AN ANTIQUE GARNET AND DIAMOND STAR BROOCH in yellow gold, comprising a cabochon garnet with an applied star motif set with rose cut diamonds, the border accented by ropework and beadwork, glass covered locket panel to the reverse, no assay marks, 3.5

Estimate £600 - £800

AN ANTIQUE DIAMOND AND PEARL BAR BROOCH in yellow gold and silver, set with old European cut diamonds, accented by round cut diamonds and a row of pearls, partially obscured assay marks, 6.0cm, 4.9g. 

Estimate £600 - £800

AN ANTIQUE DENDRITIC AGATE BROOCH / PENDANT in yellow gold, set with a polished dendritic agate, the border accented by scallop motifs and beads, glass covered locket panel to the reverse, 4.7cm, 12.8g. 

Estimate £500 - £700

AN ANTIQUE GEORGIAN GARNET CROSS BROOCH / PENDANT set to the centre with an oval cut garnet, the arms of the cross comprising floral clusters of pear cut garnets, no assay marks, 4.5cm, 6.7g. 

Estimate £800 - £1,200

AN ANTIQUE ROCK CRYSTAL, GREEN TOURMALINE, RUBY, DIAMOND AND PEARL BUTTERFLY BROOCH in yellow gold and silver, comprising a polished rock crystal dome with an applied butterfly motif set with cushion cut green tourmaline, rubies, rose cut diamonds an

Estimate £1,500 - £2,500

AN ART DECO JADEITE JADE AND DIAMOND CLIP BROOCH set with a piece of carved jade designed as a monkey holding a piece of fruit, accented by single and rose cut diamonds, no assay marks, 3.3cm, 12.9g. 

Estimate £1,500 - £2,500

AN ANTIQUE GEORGIAN DIAMOND BROOCH in yellow gold and silver, designed as a spray of foliage set throughout with rose cut diamonds, accented by white feathers, no assay marks, brooch 4.5cm, brooch with feather 25.0cm, 10.5g. 

Estimate £4,000 - £6,000

AN ANTIQUE DIAMOND AND ENAMEL BROOCH in yellow gold and silver, the circular brooch decorated with black enamel, with an applied flower motif set with rose cut diamonds, in a border of further rose cut diamonds, no assay marks, 2.5cm, 9.5g. Accompani

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a six rayed star set throughout with old and rose cut diamonds, no assay marks, 4.1cm, 9.4g. 

Estimate £1,800 - £2,200

AN ANTIQUE AGATE CAMEO, DIAMOND AND PEARL BROOCH set with an agate cameo carved to depict a mythological scene, in a border of old cut diamonds and pearls, no assay marks, 3.3cm, 10.8g. 

Estimate £3,000 - £3,500

A FRENCH RUBY, DIAMOND AND EMERALD BIRD BROOCH in 18ct yellow gold, designed as a bird set with round cut rubies and round brilliant cut diamonds, the eye set with a round cut ruby, French maker's mark, French assay marks, 4.1cm, 10.7g. 

Estimate £1,000 - £1,500

A DIAMOND AND ENAMEL TIGER BROOCH designed as a tiger accented by black enamel stripes, green enamel eyes and red enamel mouth, the collar set with single cut diamonds, stamped 585, 4.7cm, 25.6g.

Estimate £800 - £1,200

AN ANTIQUE AGATE CAMEO BROOCH in yellow gold, set with an agate cameo carved to depict the bust of a classical woman, glass covered locket panel to the reverse, no assay marks, 4.5cm, 26.8g. 

Estimate £1,200 - £1,600

AN ANTIQUE PEARL AND DIAMOND BAR BROOCH in yellow gold, the bar set with pearls accented by a row of round cut diamonds, the diamond totalling 0.5-0.6 carats, no assay marks, 5.7cm, 3.4g. 

Estimate £500 - £700

A DIAMOND BROOCH / PENDANT the openwork scrolling body set throughout with round brilliant and single cut diamonds, suspending a series of pear cut diamond drops, the diamonds all totalling 4.0-4.5 carats, no assay marks, 5.5cm, 15.6g. 

Estimate £3,000 - £5,000

A DIAMOND AND RUBY BROOCH the scrolling brooch set with round brilliant, single and marquise cut diamonds, accented by round cut rubies, no assay marks, 3.0cm, 6.0g. 

Estimate £500 - £700

AN ANTIQUE RUBY, SAPPHIRE, DIAMOND AND PEARL INSECT BROOCH in yellow gold and silver, designed as an insect set with cushion cut rubies and sapphires, rose cut diamonds and pearls, the eyes set with round cabochon rubies, no assay marks, 4.4cm, 13.3g

Estimate £1,200 - £1,600

A COLLECTION OF ANTIQUE JEWELLERY comprising two carnelian brooches, one carved with the initials MI to the reverse, no assay marks, 2.5cm and 2.0cm, together with a rock crystal pool of light and old cut paste pendant, reverse inscribed 'Frances Dow

Estimate £250 - £350

A GEMSET PARROT BROOCH designed as a parrot perching on a pearl, the body set throughout with rose cut diamonds, the wings and tail set with sapphires, rubies, and emeralds, no assay marks, 5.1cm, 6.0g.

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND BAR BROOCH comprising a row of old European, old and rose cur diamonds, the diamonds totalling 0.5-0.6 carats, no assay marks, 8.0cm, 7.5g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN BANDED AGATE BROOCH in yellow gold, set with a round cabochon banded agate, in a border of further round cabochon banded agate, accented by beadwork, glass covered locket panel to the reverse, no assay marks, 4.0cm, 13.0g. 

Estimate £800 - £1,200

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND EN TREMBLANT FLORAL SPRAY BROOCH in yellow gold, designed as a floral spray set throughout with old and rose cut diamonds and pearls, the flower heads set en tremblant, the diamonds all totalling 8.0-9.0

Estimate £15,000 - £20,000

A VINTAGE MULTIGEM AND ENAMEL HARLEQUIN BROOCH in yellow gold, designed as the bust of a Venetian harlequin, set throughout with round cut diamonds, emeralds, sapphires, rubies and pearls, accented by black, white, green and brown enamel, no assay ma

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND HORSESHOE AND HUNTING HORN BROOCH designed as a horseshoe and hunting horn, the horseshoe set with old cut diamonds, no assay marks, 4.0cm, 3.1g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the lozenge shaped brooch set with old and rose cut diamonds, suspending three old cut diamond drops, no assay marks, 3.1cm, 4.4g. 

Estimate £800 - £1,200

A PEARL BROOCH comprising a bow motif in a border of pearls, no assay marks, 2.8cm, 5.4g.

Estimate £100 - £150

AN ANTIQUE ESSEX CRYSTAL INTAGLIO AND PEARL BROOCH in yellow gold, set with a carved Essex crystal intaglio carved and painted to depict a horse and jockey, in a border of pearls, no assay marks, 2.4cm, 8.4g. 

Estimate £600 - £800

AN ANTIQUE GARNET AND PEARL BROOCH / PENDANT in yellow gold, set with an oval cabochon garnet within a cluster of pearls, accented by ropework, suspending a round cabochon garnet drop accented by further pearls and a fringe of tassels, glass covered

Estimate £800 - £1,200

AN ANTIQUE RUBY, EMERALD, SAPPHIRE AND DIAMOND FLORAL SPRAY BROOCH in yellow gold, comprising a bunch of flowers including a daisy, thistle, lily of the valley and a sheaf of wheat tied with a ribbon, set with calibre cut rubies, emeralds, sapphires

Estimate £2,000 - £3,000

AN ANTIQUE ESSEX CRYSTAL AND DIAMOND BROOCH in yellow gold, comprising an Essex crystal carved and painted to depict a duck flying over a pond, in a twisted border accented by rose cut diamonds, no assay marks, 3.0cm, 10.3g.

Estimate £300 - £500

AN ANTIQUE GARNET BROOCH in yellow gold, set with a cluster of round and oval cut garnets, no assay marks, 4.2cm, 10.5g. 

Estimate £600 - £800

AN ANTIQUE BANDED AGATE AND PEARL CAMEO BROOCH / PENDANT in yellow gold, set with a banded agate cameo carved to depict the bust of a classical woman, within a border of pearls, no assay marks, 4.4cm, 18.6g. 

Estimate £1,000 - £1,500

AN ANTIQUE RUSSIAN DIAMOND BOAR AND ARROW BROOCH in silver, designed as an arrow set with rose cut diamonds, with an applied boar motif set with rose cut diamond eyes, Russian assay marks, 7.5cm, 15.2g. 

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND BAR BROOCH comprising a row of old European and old cut diamonds accented by rose cut diamonds, no assay marks, 7.0cm, 6.4g. 

Estimate £1,200 - £1,600

AN ANTIQUE VICTORIAN GARNET MOURNING BROOCH in yellow gold, the scrolling brooch set with three cabochon garnets, with a glass covered locket compartment to the reverse containing hairwork, suspending swag chain and a heart shaped pendant set with a

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN GARNET BROOCH in yellow gold, the scrolling foliate style brooch set with round and pear shaped cabochon garnets, suspending three articulated drops of similar design, glass covered locket panel to the reverse, no assay marks, 5.

Estimate £800 - £1,200

AN ANTIQUE VICTORIAN PEARL CRESCENT MOON BROOCH in yellow gold, designed as a crescent moon set with a row of graduating pearls, accented by a foliate style spray set with further pearls, inscribed '26/6/95', no assay marks, 5.1cm, 7.7g. 

Estimate £400 - £600

A MULTIGEM FLOWER BROOCH designed as an iris set with variously cut aquamarines, sapphires, pink tourmalines, emeralds and rubies, no assay marks, 10.7cm, 35.2g. 

Estimate £1,500 - £2,500

AN ANTIQUE DIAMOND AND PEARL BROOCH in yellow gold, set with a cluster of rose cut diamonds in a star motif, accented by seed pearls, locket compartment to the reverse, glass not present, no assay marks, 4.1cm, 9.4g. 

Estimate £400 - £600

AN ANTIQUE HORN BROOCH in yellow gold, set with horn carved to depict flowers, within a border of ropework, no assay marks, 2.6cm, 7.1g. 

Estimate £400 - £600

AN ANTIQUE PEARL FLORAL SPRAY BROOCH designed as a floral spray set throughout with pearls, no assay marks, 5.2cm, 10.7g. 

Estimate £400 - £600

AN ANTIQUE VICTORIAN GARNET BROOCH in yellow gold, the scrolling brooch set with an oval cabochon garnet, engraved with foliate motifs, suspending a detachable drop of similar design, no assay marks, 6.0cm, 9.0g. 

Estimate £600 - £800

AN ANTIQUE GARNET BROOCH in yellow gold, set with round and cushion cut garnets accented by ropework and beadwork, suspending two snake link swag chains and a tassel pendant, glass covered locket panel to the reverse, no assay marks, 7.3cm, 15.7g.

Estimate £1,000 - £1,500

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 PURPLE PASTE BAR BROOCH set with round cut purple paste stones in a cross formation, accented on each end with trios of round cut purple paste stones, no assay marks, 3.5cm, 1.8g. 

Estimate £100 - £150

AN ANTIQUE SAPPHIRE, DIAMOND AND PEARL BROOCH in 18ct yellow gold, the navette shaped brooch set with a cushion cut sapphire accented by pearls and rose cut diamonds, in a frame of calibre cut sapphires and further rose cut diamonds, stamped 18C, 3.7

Estimate £600 - £800

AN ANTIQUE SAPPHIRE AND DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a stylised flower set with cushion cut sapphires accented by old, round and rose cut diamonds, the sapphires totalling 2.5-2.8 carats, the diamonds totalling 1.1-1.3

Estimate £1,000 - £1,500

AN ANTIQUE CARNELIAN, AGATE AND PEARL INTAGLIO BROOCH in yellow gold, the cannetille style brooch set with three agate and carnelian intaglios carved to depict classical warriors, accented by pearls, no assay marks, 6.5cm, 12.6g. 

Estimate £2,000 - £3,000