A TSAVORITE GARNET AND DIAMOND BROOCH in the form of an ivy leaf, invisibly set with calibre cut tsavorite garnets in a border of round cut diamonds, with further round cut diamonds to the steam and leaves, tsavorite garnets all totalling 9.5-10.5 ca

Estimate £3,000 - £5,000

AN ANTIQUE MICROMOSAIC BROOCH in yellow gold, the geometric body inlaid with various coloured hardstones forming a micro mosaic depicting two birds and 'ROMA' written with applied gold to the centre, no assay marks, 5.5cm, 10.6g.

Estimate £600 - £800

AN ANTIQUE OPAL, RUBY AND DIAMOND WITCH'S HEART BROOCH in yellow gold, set with a heart shaped cabochon opal in a border of round cut rubies, surmounted by an old cut diamond, no assay marks, 2.9cm, 5.0g.

Estimate £2,000 - £3,000

AN ANTIQUE VICTORIAN SUFFRAGETTE HORSESHOE BAR BROOCH in yellow gold, the horseshoe motif set with peridots and diamonds, accented by pearls and amethysts, 4.5cm, 5.1g. 

Estimate £600 - £800

A DIAMOND LAPEL PIN in yellow gold, set with a round brilliant cut diamond of approximately 0.40 carats, no assay marks, 0.9cm, 3.0g. 

Estimate £100 - £150

VAN CLEEF & ARPELS, A PAIR OF TWO VINTAGE DIAMOND LEAF BROOCHES in 18ct yellow gold and platinum, designed as stylised leaves set with rows of round cut diamonds, the smaller with a pendant bail incorporated into the stem of the leaf, the larger sign

Estimate £8,000 - £12,000

A SAPPHIRE AND PEARL FLOWER BROOCH in 9ct yellow gold, each flower set with a round cut sapphire with pearl petals, full British hallmarks, 2.5cm, 3.3g.

Estimate £150 - £250

A VINTAGE CITRINE BAR BROOCH in 9ct yellow gold, set with an oval faceted citrine, stamped 9CT, 6.7cm, 9.6g. 

Estimate £100 - £150

A VINTAGE AQUAMARINE AND DIAMOND BALLERINA BROOCH depicting a lady dancing in a ballgown, jewelled with oval and step cut aquamarines accented by round and single and triangular cut diamonds, with a fringe of articulated baguette cut diamond drops su

Estimate £25,000 - £35,000

A VINTAGE SAPPHIRE AND DIAMOND BOW BROOCH in 18ct yellow gold, designed as a stylised bow in textured yellow gold set to the centre with a cluster of round cut sapphires and single cut diamonds, full British hallmarks for London 1973, 5.5cm, 16.5g. 

Estimate £600 - £800

AN ANTIQUE PEARL STAR BROOCH in yellow gold, designed as a six rayed star set with pearls, no assay marks, 2.0cm, 5.9g. 

Estimate £300 - £500

BOUCHERON, A VINTAGE DIAMOND FLOWER BROOCH, 1960s in 18ct yellow gold, the textured body formed of a series of crescent shaped motifs, accented by round cut diamonds, signed Boucheron, French assay marks, 3.7cm, 21.7g.

Estimate £3,000 - £5,000

AN ANTIQUE VICTORIAN TURQUOISE AND PEARL MOURNING LOCKET BROOCH in 15ct yellow gold, the brooch set to the centre with pearls and turquoise, accented by further pearls, blue enamel and wirework detail, suspending a detachable drop with further turquo

Estimate £500 - £700

VAN CLEEF & ARPELS, AN IMPORTANT DIAMOND BIRD BROOCH designed to depict a stylised crested bird, set with a principal pear shaped old cut diamond of approximately 1.20 carats, accented throughout by further old cut diamonds, signed Van Cleef & Arpels

Estimate £60,000 - £80,000

A DIAMOND BROOCH in platinum, the openwork brooch in geometric form set throughout with old cut and single cut diamonds, no assay marks, 3.0cm, 7.9g. 

Estimate £1,000 - £1,500

AN ANTIQUE VICTORIAN PEARL AND ENAMEL STAR LOCKET BROOCH in 15ct yellow gold, to the centre with a star motif set with pearls and surrounded by a further star in blue enamel, accented by wirework decoration, with a glass locket to the reverse, stampe

Estimate £300 - £500

A VINTAGE BANDED AGATE BROOCH in pinchbeck, the brooch set to the centre with a cabochon cut banded agate to a frame designed as three interlocking rings, with a locket to the back, no assay marks, 3.7cm, 25.3g. 

Estimate £100 - £150

AN ANTIQUE ART NOUVEAU DIAMOND AND PEARL GRIFFIN BROOCH in yellow gold, designed as a griffin holding an old cut diamond in its mouth, suspending a pearl drop, marked indistinctly, 5.1cm, 22.3g. 

Estimate £2,500 - £3,500

AN ANTIQUE VICTORIAN PEARL ARROW BROOCH in 15ct yellow gold, designed as an arrow with a pearl set horseshoe, no assay marks, 5.7cm, 5.7g. 

Estimate £200 - £300

AN ANTIQUE VICTORIAN GARNET MOURNING LOCKET BROOCH set with oval cut garnets surrounding a glass locket, with a further locket to the reverse, no assay marks, 2.7cm, 5.6g. 

Estimate £250 - £350

A CORAL CAMEO BROOCH in yellow gold, with a carved coral cameo of a woman in three-quarter profile, to an engraved yellow gold frame, no assay marks, 3.3cm, 10.2g. 

Estimate £250 - £350

AN ANTIQUE ITALIAN MICROMOSAIC BROOCH in 15ct yellow gold, inlaid with a micro mosaic scene of St Peter's Square, Rome, to an onyx background and a yellow gold frame, 5.2cm, 21.0g. 

Estimate £500 - £700

AN ANTIQUE PIETRA DURA BROOCH with an inlaid floral motif made from various hard stones to a wirework frame, no assay marks, 4.2cm, 15.1g. 

Estimate £300 - £500

AN ANTIQUE DIAMOND, ENAMEL AND RUBY BROOCH in yellow gold, set with a cluster of rose cut diamonds in a scrolling and fan shaped border set with further rose cut diamonds and a round cut ruby, accented by blue enamel, suspending five articulated blue

Estimate £2,500 - £3,500

AN ANTIQUE AMETHYST AND PEARL BROOCH in 15ct yellow gold, set with a round cut amethyst of approximately 15.06 carats, in a border of eight pearls and scrolled detailing, stamped 15CT, 2.8cm, 10.6g.

Estimate £300 - £500

AN ANTIQUE EDWARDIAN HEART BAR BROOCH, 1907 in 9ct yellow gold, the brooch with a heart set to the centre with a rose cut diamond, accented by scroll motifs, full British hallmarks for Birmingham 1907, 4.7cm, 4.2g. 

Estimate £150 - £250

AN ANTIQUE VICTORIAN PEARL STAR BROOCH / PENDANT in yellow gold, designed as a six rayed star set with pearls and accented by further pearls, with detachable brooch fitting and safety chain, no assay marks, 3.5cm, 9.4g. 

Estimate £300 - £500

A VINTAGE TURQUOISE AND PEARL SWEETHEART BROOCH in 15ct yellow gold, designed as two open hearts, one set with turquoise and the other with pearls, no assay marks, 4.2cm, 4.9g. 

Estimate £400 - £600

CARTIER, A BELLE EPOQUE PEARL AND DIAMOND BOW BROOCH, EARLY 20TH CENTURY designed as a ribbon tied in a bow, set to the centre with an old European cut diamond in a border of single cut diamonds, set with rows of pearls, further accented by single cu

Estimate £15,000 - £20,000

DORRIE NOSSITER, AN ARTS & CRAFTS MOONSTONE AND CHALCEDONY BROOCH in silver, set with cabochon moonstones and blue chalcedony to a scroll and ivy design, no assay marks, 3.7cm, 9.9g. 

Estimate £400 - £600

TIFFANY & CO, A VINTAGE SAPPHIRE AND DIAMOND FLOWER BROOCH in 14ct yellow gold and rose gold, designed as a spray of flowers, set with polished cabochon blue sapphires, accented by one round cut diamond, signed Tiffany & Co, stamped 14K, 8.7cm, 15.0g

Estimate £3,000 - £5,000

CARTIER, A VINTAGE DIAMOND LEAF BROOCH in 18ct yellow gold, designed as a trio of textured leaves accented by a cluster of old cut diamonds, the diamonds all totalling 4.2-4.5 carats, signed Cartier Mtg and numbered, 4.3cm, 18.4g.

Estimate £10,000 - £15,000

RENE BOIVIN, A VINTAGE DIAMOND SNAIL BROOCH in 18ct yellow gold, designed as a snail, relieved in detail with alternating matte and polished surfaces, jewelled with a row of graduated round cut diamonds, signed Rene Boivin, French assay marks, 5.8cm,

Estimate £8,000 - £12,000

AN ANTIQUE PEARL AND RUBY MOURNING BROOCH in 15ct yellow gold, set with a round cut ruby accented by further seed pearls, to an Etruscan style body with beaded edges, no assay marks, 4.2cm, 11.1g.

Estimate £300 - £500

AN ANTIQUE SCOTTISH HARDSTONE AND CITRINE BROOCH in silver, the circular brooch set with multicoloured hard stones and set to the centre with a round faceted citrine, no assay marks, 4.3cm, 17.5g. 

Estimate £100 - £150

AN ESSEX CRYSTAL DUCK BROOCH in 18ct yellow gold, in circular form set with a reverse carved intaglio depicting a duck in flight, in a braided border, stamped 750, 3.0cm, 15.3g. 

Estimate £1,500 - £2,500

AN ANTIQUE VICTORIAN MICROMOSAIC BROOCH in 15ct yellow gold, with a floral micro mosaic set into an oval piece of onyx to an engraved gold frame, 4.6cm, 17.9g. 

Estimate £500 - £700

AN ANTIQUE VICTORIAN PORTRAIT MINIATURE BROOCH in yellow gold, with a portrait of a gentleman to a surround of pearls and a frame accented by vine leaves, 6.2cm, 50.6g. 

Estimate £1,500 - £2,500

A PAIR OF GLASS-FILLED RUBY AND PEARL DRESS CLIPS in yellow gold, each clip in an abstract design set with glass-filled rubies and accented with pearls, no assay marks, 3.3cm, 9.3g. 

Estimate £300 - £500

AN ANTIQUE VICTORIAN AMETHYST BROOCH in yellow gold, designed as a lovers' knot with a vine leaf and grape motif, the grapes represented by faceted oval amethysts, suspending a wirework drop, no assay marks, 3.9cm, 9.5g. 

Estimate £300 - £500

AN ANTIQUE AMETHYST BROOCH in yellow gold, the brooch in a knot design in textured gold accented by oval cut amethysts, 6.0cm, 11.9g

Estimate £400 - £600

AN ANTIQUE VICTORIAN PIQUE BROOCH in ebony wood inlaid with yellow and white metal in a floral design, no assay marks, 4.3cm, 7.7g. 

Estimate £250 - £350

AN ANTIQUE VICTORIAN HAIRWORK MOURNING BROOCH in yellow gold, the brooch centrally set with hairwork to a filigree surround set with a ruby, two amethysts, a garnet, an emerald, and a ruby, to a hairwork frame, the back engraved 'W.T. 1861', no assay

Estimate £500 - £700

AN ANTIQUE BOHEMIAN GARNET BROOCH set to the centre with a cabochon cut garnet in a double border of rose cut garnets, no assay marks, 2.7cm, 6.6g. 

Estimate £300 - £500

NARDI, A VINTAGE RUBY, PEARL, TURQUOISE AND WOOD BLACKAMOOR BROOCH in 18ct yellow gold and silver, designed to depict a bust, the face carved from ebony, jewelled with turquoise, rubies, pearl and a garnet to the head, signed Nardi, stamped 750, 5.7c

Estimate £4,000 - £6,000

A CITRINE BROOCH in yellow gold, set with an oval cut citrine of approximately 115.0 carats, no assay marks, 4.7cm, 39.5g.

Estimate £400 - £600

A VINTAGE CAMEO BROOCH in 15ct yellow gold, with a shell cameo depicting a maenad to a yellow gold frame accented by a leaf motif, no assay marks, 6.4cm, 26.0g. 

Estimate £500 - £700

A VINTAGE FLAG BROOCH in 9ct yellow gold, designed as a mast with seven nautical flags in white, blue, red, yellow, and black enamel, stamped 9ct, 5.6cm, 6.8g. 

Estimate £200 - £300

CARTIER, A RARE TURQUOISE, DIAMOND AND ENAMEL NATIVE AMERICAN SIOUX BROOCH in 18ct yellow gold and silver, designed to depict the head of a Native American chief, the face with red enamel, accented by a cream and black enamel feather headdress, with

Estimate £6,000 - £8,000

AN ANTIQUE VICTORIAN SWEETHEART BROOCH in 18ct yellow gold, with a twin heart motif to blue glass and a surround of half pearls to a further surround of engraved gold, the back with an engraving reading 'Her Children arise up and call her blessed, pr

Estimate £1,000 - £1,500

AN ANTIQUE GEORGIAN GARNET MOURNING LOCKET BROOCH with a small glass locket to a surround of faceted garnets, no assay marks, 2.0cm, 3.4g. 

Estimate £150 - £250

AN ANTIQUE MICROMOSAIC BROOCH in yellow gold, with a multicoloured floral micro mosaic image set into a piece of oval onyx to a yellow gold frame, no assay marks, 4.8cm, 18.2g. 

Estimate £500 - £700