AN ANTIQUE BLUE PASTE AND PEARL CRESCENT BROOCH in 9ct yellow gold, designed as a crescent moon, set with alternating round cut blue paste stones and pearls, stamped 9ct, 2.3cm, 2.6g.

Estimate £100 - £150

A VINTAGE GARNET AND PEARL CRESCENT BROOCH in 9ct yellow gold, designed as a crescent moon, set with alternating round cut garnets and pearls, full British hallmarks for London 1972, 3.0cm, 4.0g.

Estimate £80 - £120

A VINTAGE FRENCH DIAMOND BOW BROOCH in 18ct white gold, designed as a ribbon tied into a bow, set throughout with old cut diamonds all totalling 5.0-5.5 carats, French assay marks, stamped 750, 5.3cm, 12.5g.

Estimate £5,000 - £7,000

AN ANTIQUE DIAMOND, RUBY AND EMERALD BROOCH in yellow gold, the circular cannetille body set to the centre with an old cut diamond in a border of alternating cushion cut rubies and emeralds, no assay marks, 2.2cm, 5.7g.

Estimate £1,000 - £1,500

AN ANTIQUE DIAMOND STAR BROOCH / PENDANT AND CHAIN,19TH CENTURY AND LATER in yellow gold and silver, designed as a sixteen rayed star set throughout with old cut diamonds, the diamonds all totalling 5.5-6.0 carats, detachable brooch fitting, accompan

Estimate £4,000 - £6,000

A VINTAGE DIAMOND BROOCH in 18ct white gold, the scrolling body set with old cut diamonds all totalling 4.4-4.7 carats, later British hallmarks, 4.3cm, 11.9g.

Estimate £2,000 - £3,000

AN ANTIQUE GARNET AND DIAMOND BROOCH in yellow gold and silver, designed as an open oval set with rose cut diamonds and fancy cut garnets, no assay marks, 3.0cm, 5.1g.

Estimate £1,000 - £1,500

A ROYAL FUSILIERS BADGE BROOCH in yellow and white gold, designed as the badge of the Royal Fusiliers with a Rose of York in red and green enamel surrounded by a blue enamel Garter belt reading 'HONI SOIT QUI MAL Y PENSE' surmounted by a crown in red

Estimate £600 - £800

J.F. CALDWELL, A DIAMOND BROOCH in white gold, designed as an openwork circle set throughout with old and round brilliant cut diamonds all totalling 4.0-4.2 carats, signed J.F.C & Co, no assay marks, 4.0cm, 10.4g.

Estimate £3,000 - £5,000

AN ART DECO DIAMOND BROOCH in rectangular design, set to the centre with an old European cut diamond of 0.25 carats, within a pierced open framework border set with further single cut diamonds, no assay marks, 4.1cm, 5.7g.

Estimate £800 - £1,200

A PEARL WISHBONE BROOCH in 9ct yellow gold, designed as a wishbone with the letter 'E' to the centre set with seed pearls, stamped 9, 2.8cm, 1.0g.

Estimate £60 - £80

A VINTAGE AQUAMARINE AND PEARL DRAGONFLY BAR BROOCH in 9ct yellow gold, the bar brooch with an applied dragonfly motif, the body set with an oval cut aquamarine, the wings set with seed pearls, stamped 9CT, 5.1cm, 2.5g.

Estimate £60 - £80

AN ANTIQUE PORTRAIT MINIATURE BROOCH in yellow gold, set with a portrait miniature depicting the bust of a woman, accented by a scrolling frame with bow motifs set with step cut garnets, brooch pin deficient, no assay marks, 4.5cm, 19.0g.

Estimate £400 - £600

AN ANTQUE DIAMOND EN TREMBLANT FLOWER BROOCH, 19TH CENTURY in 18ct yellow gold and silver, designed as a floral spray, the main flower set en tremblant with a central old cut diamond of approximately 1.10 carat, the brooch set throughout with old cut

Estimate £4,000 - £6,000

AN ANTIQUE CARNELIAN SEAL AND A BELT BROOCH the seal with an engraved classical figure set to a fob decorated with an ouroboros motif, no assay marks, 2.8cm, the brooch with buckle motif set with three turquoise, no assay marks, 3.5cm, total weight 1

Estimate £80 - £120

AN ANTIQUE GEORGIAN GARNET HEART BROOCH in yellow gold, designed as an open heart, set with a border of cushion cut garnets, no assay marks, 2.2cm, 1.6g.

Estimate £250 - £350

A VINTAGE FRENCH DIAMOND SEA URCHIN BROOCH in 18ct yellow gold, designed as a dome with radiating prongs, set with a singular round brilliant cut diamond of approximately 0.20 carats, R D maker's mark, French assay marks, 3.4cm, 17.5g.

Estimate £1,500 - £2,500

A PEARL AND DIAMOND COCKTAIL RING in 18ct yellow gold, set with a pearl of 15.5mm accented by tapered baguette cut diamonds and pave set round brilliant cut diamonds, the diamonds all totalling 3.0-3.2 carats, stamped 750, size M / 6.25, 28.3g.

Estimate £3,000 - £5,000

VAN CLEEF AND ARPELS, A VINTAGE FEUILLE LEAF BROOCH, 1990S in 18ct white gold, designed as a stylised leaf set throughout with round brilliant cut diamonds all totalling 1.0-1.2 carats, with a plain white gold tapered stem, signed VCA, French assay m

Estimate £6,000 - £8,000

A FRENCH ART DECO ONYX AND DIAMOND BOW BROOCH in platinum, designed as a ribbon tied into a bow, set to the centre with an old cut diamond accented by rows of calibre cut onyx and single and old cut diamonds, French assay marks, 4.8cm, 6.7g.

Estimate £1,500 - £2,500

A SAPPHIRE, ONYX AND DIAMOND JABOT PIN BROOCH in 18ct yellow gold, designed as an arrow set with a fancy cut and pear shaped sapphire, polished onyx and round brilliant cut diamonds, stamped 750, 8.5cm, 9.0g.

Estimate £800 - £1,200

AN ANTIQUE OPAL, ENAMEL AND DIAMOND BROOCH / PENDANT in yellow gold, the scrolling body set to the centre with a cabochon opal, accented by blue guilloche enamel and old cut diamonds, with a glass locket panel to the reverse, no assay marks, 4.5cm, 2

Estimate £3,000 - £5,000

AN ANTIQUE PEARL, RUBY, EMERALD AND DIAMOND BUTTERFLY BROOCH in 18ct yellow gold and silver, the body set with a pearl of 7.0mm and rose cut diamonds, the eyes set with two round cut rubies, the openwork wings set throughout with old mine and rose cu

Estimate £4,000 - £6,000

AN ANTIQUE GARNET AND AQUAMARINE BROOCH in yellow gold, set with an oval cut garnet in a cluster of pear cut aquamarines, accented by further round cut garnets, in a rope work border, with a glass locket panel to the reverse, no assay marks, 3.5cm, 8

Estimate £400 - £600

A VINTAGE FLOWER BROOCH in yellow gold, set with a red paste stone, the brooch modelled as a flower and vines within a frame, no assay marks, 3.9cm, 7.0g.

Estimate £150 - £250

AN ANTIQUE SAPPHIRE AND DIAMOND BAR BROOCH in yellow gold, set with a row of alternating groups of old cut diamonds and step cut sapphires, no assay marks, 9.1cm, 8.4g.

Estimate £800 - £1,200

AN ANTIQUE PIETRA DURA DOVES OF PLINY BROOCH in yellow gold, the circular face inset with polished pieces of hardstone depicting the doves of Pliny, within a twisted wirework border accented by cushion cut rubies and pearls, marked indistinctly, 3.6c

Estimate £1,000 - £1,500

AN ANTIQUE JET AND PEARL MONOGRAM BROOCH with an oval shaped piece of jet with a pearl set monogram of the letters 'OMI', no assay marks, 4.0cm, 17.4g.

Estimate £60 - £80

A MOONSTONE AND GARNET BAR BROOCH in yellow gold, set to the centre with a cabochon moonstone, each side terminated with an oval cut garnet, no assay marks, 3.7cm, 2.0g.

Estimate £100 - £150

AN ANTIQUE FRENCH DIAMOND MINIATURE PORTRAIT BROOCH in yellow gold, in foliate design set with a painted miniature portrait of a lady, accented by flowers and leaves set with rose cut diamonds, stamped Depose, French assay marks, 5.0cm, 7.2g. Accompa

Estimate £800 - £1,200

A VINTAGE DIAMOND AND PEARL BIRD BROOCH in yellow, white and rose gold, designed as an abstract bird, the body set with a pearl of 5.25mm with a round cut diamond eye, the feathers in yellow, white and rose gold accented by round brilliant cut diamon

Estimate £1,500 - £2,500

A VINTAGE DIAMOND CLIP BROOCH in white gold, designed as a stylised bow, set with an old cut diamond of 2.18 carats accented by round brilliant and baguette cut diamonds and further old cut diamonds, the diamonds all totalling 7.0-7.5 carats, no assa

Estimate £15,000 - £20,000

AN ANTIQUE RUBY, SAPPHIRE, DIAMOND AND PEARL BROOCH in yellow gold, in abstract foliate design, set with a trio of an old cut diamond, round cut sapphire and a round cut ruby, accented by further diamonds, pearls and a ruby, marked indistinctly, 3.8c

Estimate £800 - £1,200

A RETRO RUBY AND DIAMOND DOUBLE CLIP BROOCH in 14ct rose gold, the scrolling body set with round cut rubies and round brilliant cut diamonds, the two clips detachable from the frame as a pair of clip brooches, the rubies all totalling 1.2-1.5 carats,

Estimate £1,000 - £1,500

A VINTAGE GARNET AND PEARL CRESCENT BROOCH in 9ct yellow gold, designed as a crescent moon set with alternating round cut garnets and pearls, full British hallmarks for Birmingham 1975, 3.1cm, 4.6g.

Estimate £80 - £120

AN AMETHYST AND DIAMOND BROOCH in yellow and white gold, set with a round brilliant cut diamond accented by rose cut diamonds in a border of pear shaped amethysts, pin deficient, no assay marks, 4.1cm, 9.1g.

Estimate £400 - £600

AN ANTIQUE ENAMEL SWORD BROOCH in yellow gold, designed as two crossed swords, the handles decorated with black and red enamel, no assay marks, 8.0cm, 6.8g.

Estimate £300 - £500

AN ANTIQUE DIAMOND, PEARL, SPINEL AND LAPIS LAZULI BROOCH in yellow gold, designed as a pair of wings surmounted by a crown set with rose cut diamonds, pearls, cushion and round cut spinel, and a polished lapis lazuli bead, no assay marks, 6.2cm, 8.6

Estimate £400 - £600

AN ANTIQUE TURQUOISE AND DIAMOND BROOCH / PENDANT in yellow gold, in scrolling form set with cabochon turquoise and old cut diamonds, detachable brooch fittings, no assay marks, 2.5cm, 5.9g.

Estimate £800 - £1,200

AN ANTIQUE SAPPHIRE AND DIAMOND BROOCH / PENDANT AND CHAIN in yellow gold and silver, the pendant designed as a flower set with a round cut sapphire, accented old cut and rose cut diamonds and further round cut sapphires, detachable brooch fittings,

Estimate £800 - £1,200

AN ANTIQUE JET MOURNING BROOCH comprising a painted skull within a frame set with faceted jet, no assay marks, 2.3cm, 5.2g.

Estimate £40 - £60