KNOLL & PREGIZER, A PAIR OF ART DECO PASTE PEACOCK FEATHER BROOCHES each designed as a peacock feather set with blue, green and white paste stones, Knoll & Pregizer maker's mark, stamped 925, 5.1cm, 12.5g.

Estimate £300 - £500

A FINE ANTIQUE GREEN TOURMALINE, DIAMOND AND OPAL INSECT BROOCH in yellow gold and silver, designed as a winged insect, the body set with cushion cut green tourmalines totalling 9.5-10.0 carats, the wings set with old cut diamonds totalling 0.6-0.8 c

Estimate £4,000 - £6,000

TIFFANY & CO, A PINK SAPPHIRE, DIAMOND AND GARNET BEE BROOCH, 1970's designed as a bee, set with a round brilliant cut diamond accented by round cut pink sapphires, the eyes set with round cut garnets, signed Tiffany & Co., stamped 750, 1.9cm, 4.9g. 

Estimate £500 - £700

AN ANTIQUE DIAMOND CRESCENT MOON BROOCH, 19TH CENTURY in yellow gold and silver, designed as a crescent moon set with a row of graduating old cut diamonds, accented by a border of rose cut diamonds, no assay marks, 3.3cm, 7.5g. One diamond missing.

Estimate £600 - £800

A FINE ANTIQUE DIAMOND STAR BROOCH / PENDANT in yellow gold and silver, designed as a twelve rayed star set throughout with old and rose cut diamonds, the principal diamond weighing approximately 1.02 carats, the diamonds all totalling 5.8-6.2 carats

Estimate £5,000 - £7,000

AN ANTIQUE TURQUOISE, DIAMOND AND PEARL CHERUB BROOCH in yellow gold and silver, set with a turquoise carved to depict the face of a cherub, accented by wings set with rose cut diamonds, suspending a pearl drop, no assay marks, 2.7cm, 3.7g. 

Estimate £1,200 - £1,600

A RUBY AND ENAMEL HORSE BROOCH in 14ct yellow gold, designed as a horse head, the eye set with a round cut ruby, the stripe decorated with white enamel, London import marks, 2.5cm, 5.9g. 

Estimate £400 - £600

NO RESERVE - A DUTCH GOLD FROG BROOCH in 14ct yellow gold, designed as a frog on a bar brooch, Dutch assay marks, 4.5cm, 2.8g. 

Estimate £150 - £250

KNOLL & PREGIZER, THREE ANTIQUE PASTE BROOCHES comprising a bar brooch in foliate design set with round cut white paste stones, Knoll & Pregizer maker's mark, stamped 925, 8.7cm, 9.6g, a cluster bar brooch set with blue and white paste stones, Knoll

Estimate £300 - £500

A VINTAGE PINK SAPPHIRE BROOCH in 18ct yellow gold, designed as a pair of stylised openwork wings, set with round cut pink sapphires, stamped 750, 5.0cm, 6.9g. 

Estimate £400 - £600

AN ANTIQUE FOILED ROCK CRYSTAL BEETLE BROOCH in yellow gold, designed as a beetle set with polished pink foiled rock crystal, no assay marks, 3.6cm, 10.9g. 

Estimate £1,200 - £1,600

AN AMERICAN DIAMOND AND ENAMEL PAA AEROPLANE BROOCH designed as a Pan Am Boeing 377 Stratocruiser airliner with articulated propellors, set with single cut diamonds and decorated with enamel, no assay marks, 4.7cm, 12.3g. 

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND AND PEARL BOW BROOCH, 19TH CENTURY in yellow gold and silver, designed as a bow set with old cut diamonds and pearls, suspending two articulated drops set with further diamonds, the diamonds totalling 1.1-1.3 carats, no assay marks

Estimate £1,200 - £1,600

A SET OF THREE ITALIAN ENAMEL LADYBIRD BROOCHES comprising three brooches designed as ladybirds, decorated with red, green, blue, black and white enamel, stamped 18K, 2.0cm, total weight 9.1g. 

Estimate £1,000 - £1,500

CARTIER, A RUBY AND TURQUOISE LIZARD BROOCH in 18ct yellow gold, designed as a lizard set with a row of alternating cabochon rubies and turquoise, the body engraved throughout with scales, inscribed Made in France, signed Cartier Inc. and numbered, F

Estimate £6,000 - £8,000

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, set to the centre with a pearl of 10.6mm, accented throughout with old and rose cut diamonds, the diamonds all totalling 2.5-3.0 carats, no assay marks, 4.

Estimate £4,000 - £6,000

NO RESERVE - AN EMERALD AND DIAMOND CRESCENT MOON BROOCH designed as a crescent moon set with graduating round cabochon emeralds, accented by rose cut diamonds, the emeralds totalling 3.0-3.5 carats, stamped 925 and 750, 3.0cm, 2.8g. 

Estimate £150 - £250

AN ANTIQUE GEORGIAN DIAMOND MOURNING LEAF BROOCH in yellow gold and silver, designed as a leaf with a central compartment containing hairwork beneath a glass panel, accented by old cut diamonds, inscribed Rebecca Chapman ob 16th June 1829 aet 28, no

Estimate £800 - £1,200

AN ANTIQUE OPAL AND DIAMOND BROOCH / PENDANT, 19TH CENTURY in yellow gold and silver, in scrolling foliate design set with a round cabochon opal of approximately 7.12 carats, accented by old and rose cut diamonds totalling 2.0-2.5 carats, detachable

Estimate £4,000 - £6,000

AN IMPORTANT ANTIQUE EMERALD AND DIAMOND BROOCH / PENDANT in yellow gold and silver, the foliate style brooch set throughout with rose cut diamonds, suspending a polished emerald drop of approximately 36.06 carats accented by further diamonds, no ass

Estimate £10,000 - £15,000

A FINE ANTIQUE VICTORIAN CRESCENT MOON AND HEART BROOCH in yellow gold and silver, designed as a crescent moon set with a row of of old and rose cut diamonds, accented by two rows of further old cut diamonds, suspending a heart shaped pendant set wit

Estimate £4,000 - £6,000

A VINTAGE DIAMOND FLOWER HEART BROOCH designed as a foliate style heart, set with old and single cut diamonds totalling 1.4-1.6 carats, no assay marks, 3.8cm, 14.8g. 

Estimate £1,200 - £1,600

AN ANTIQUE AGATE CAMEO BROOCH / PENDANT, 19TH CENTURY in yellow gold, set with an oval agate cameo carved to depict the bust of a classical woman in profile, no assay marks, 4.1cm, 24.2g. 

Estimate £600 - £800

A VINTAGE ROSE BROOCH designed as a sprig of wild roses, no assay marks, 6.5cm, 17.0g. 

Estimate £600 - £800

AN ANTIQUE VICTORIAN CONCH SHELL CAMEO BROOCH, 19TH CENTURY the oval cameo carved to depict the bust of a classical woman, within a foliate style frame, no assay marks, 5.1cm, 21.9g. 

Estimate £600 - £800

AN ART DECO CHRYSOPRASE, DIAMOND, ONYX AND ROCK CRYSTAL BROOCH comprising a circular frosted rock crystal set with polished onyx and chrysoprase, accented by single cut diamonds, no assay marks, 4.0cm, 17.1g. 

Estimate £800 - £1,200

AN ANTIQUE RUBY AND PEARL BROOCH the circular brooch set with cushion cut rubies in clusters of pearls, no assay marks, 3.0cm, 5.6g. 

Estimate £300 - £500

AN ANTIQUE NATURAL SALTWATER PEARL, DIAMOND AND ENAMEL BOW BROOCH, 19TH CENTURY in yellow gold, designed as a ribbon tied into a bow, relieved in blue guilloche enamel and accented by rose cut diamonds and white enamel, suspending a drop decorated wi

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND FLORAL SPRAY BROOCH in yellow gold and silver, designed as a floral spray set throughout with old and rose cut diamonds totalling 1.6-1.8 carats, no assay marks, 5.5cm, 9.0g. 

Estimate £1,000 - £1,500

NO RESERVE - AN AMETHYST, PERIDOT, RUBY AND DIAMOND INSECT BROOCH / PENDANT designed as a winged insect, the body set with a pear cabochon amethyst and a pear cut peridot, accented by rose cut diamonds, the eyes set with cabochon rubies, stamped 925,

Estimate £300 - £500

A NATURAL SALTWATER PEARL, EMERALD AND DIAMOND PENDANT in yellow gold and silver, set with a pear shaped cabochon emerald of approximately 12.18 carats, in a cluster of pearls, accented by old cut diamonds, the bail set with a further rose cut diamon

Estimate £2,000 - £3,000

NO RESERVE - AN OPAL, EMERALD AND DIAMOND BROOCH the openwork brooch set to the centre with a round cabochon opal in a cluster of pear cut emeralds, accented throughout with rose cut diamonds, pin stamped 585, 5.1cm, 12.4g. 

Estimate £150 - £250

NO RESERVE - A RUBY, DIAMOND AND CHROME TOURMALINE FROG BROOCH / PENDANT designed as a frog set throughout with round cabochon rubies, accented by rose cut diamonds, the eyes set with cabochon chrome tourmalines, stamped 925, 4.5cm, 16.4g. 

Estimate £300 - £500

A SPINEL AND DIAMOND STAR BROOCH designed as an eighteen rayed star set to the centre with a round cut spinel of approximately 1.13 carats, accented by single and round brilliant cut diamonds, the diamonds all totalling 1.5-2.0 carats, no assay marks

Estimate £2,000 - £3,000

AN ANTIQUE PERIDOT AND PEARL BROOCH in yellow gold, set with an octagonal step cut peridot, accented by a border of pearls, no assay marks, 2.0cm, 3.8g. 

Estimate £300 - £500

A RETRO DOUBLE DIAMOND CLIP BROOCH the scrolling brooch set throughout with round brilliant, baguette and single cut diamonds totalling 5.0-5.5 carats, detachable to form a pair of clip brooches, no assay marks, 5.5cm, 24.7g. 

Estimate £4,000 - £6,000

A LARGE ANTIQUE SHELL CAMEO BROOCH the oval shell cameo carved to depict Apollo in his chariot being drawn up to the sun, preceded at the far right by Aurora, whilst Lucifer, personifying the day star, flies above to lead the way, and the Horae and t

Estimate £1,000 - £1,500

AN ANTIQUE FRENCH CORAL CAMEO AND ENAMEL BROOCH in 18ct yellow gold, set with a carved coral cameo depicting a mythological figure with a horse drawn chariot, in a border of black and white enamel depicting dragons and foliage, French assay marks, 4.

Estimate £2,000 - £3,000

AN ANTIQUE PEARL, DIAMOND AND RUBY INSECT BROOCH in yellow gold and silver, designed as a winged insect set with a pearl and rose cut diamonds, the eyes set with round cabochon rubies, on a gold bar brooch set with a further pearl, stamped A370, 3.6c

Estimate £400 - £600

AN ANTIQUE DIAMOND AND ENAMEL PANSY BROOCH in yellow gold and silver, designed as a pansy set to the centre with an old cut diamond, the petals relieved in purple and yellow enamel, accented by further rose cut diamonds, no assay marks, 4.0cm, 5.4g. 

Estimate £500 - £700

AN ANTIQUE VICTORIAN TORTOISESHELL AND TURQUOISE BUTTERFLY BROOCH the wings comprising tortoiseshell with applied filigree work, the eyes set with cabochon garnets, suspending a Maltese cross set with a cabochon turquoise, no assay marks, 6.8cm, 8.3g

Estimate £1,000 - £1,500

AN ANTIQUE TIGER'S EYE, GARNET AND PEARL INSECT BROOCH the body set with a cabochon tiger's eye and round cabochon garnet, the eyes set with further cabochon garnets, the legs set with seed pearls, no assay marks, 4.0cm, 10.9g. 

Estimate £250 - £350

AN ANTIQUE THEWA WORK BROOCH in yellow gold, comprising a sheet of green glass with a gold overlay depicting an Indian goddess, accented by a textured border, no assay marks, 5.0cm, 21.7g. 

Estimate £1,500 - £2,500

AN AQUAMARINE AND DIAMOND BROOCH the openwork geometric brooch set with oval cut aquamarines and accented by old and rose cut diamonds, the aquamarines totalling 2.4-2.6 carats, no assay marks, 4.7cm, 8.5g. 

Estimate £800 - £1,200

AN ANTIQUE GEORGIAN AMETHYST AND TURQUOISE CROSS BROOCH / PENDANT in yellow gold, designed as a cross set with oval and pear cut amethysts and round cabochon turquoise, accented by a border of bead, no assay marks, brooch 3.3cm, pendant 4.0cm, 4.0g. 

Estimate £1,500 - £2,500

NO RESERVE - A CARVED JADEITE JADE BROOCH set with a jadeite jade plaque carved to depict flowers, no assay marks, 3.5cm, 6.5g. 

Estimate £200 - £300

AN ANTIQUE CARVED CORAL BOUQUET BROOCH in yellow gold, comprising a polished coral branch set with carved coral depicting a flower bouquet, French import marks, 5.3cm, 13.0g. 

Estimate £150 - £250

AN ANTIQUE AMETHYST AND DIAMOND BROOCH set with a cushion cut amethyst in a scrolling border set with rose cut diamonds, suspending a detachable drop set with a facetted amethyst of approximately 29.93 carats and further diamonds, 7.0cm, 31.5g. 

Estimate £3,000 - £5,000

TWO ANTIQUE BROOCHES comprising a Victorian brooch in yellow gold, set with a large oval cut citrine, no assay marks, 5.6cm, 20.3g, together with an antique pearl and paste lyre bar brooch, stamped 9ct, 4.5cm, 2.7g. 

Estimate £300 - £500