BULGARI, A PAIR OF MOTHER OF PEARL, DIAMOND AND ONYX GELATI BROOCHES in 18ct yellow gold, each designed as an ice lolly, one set with mother of pearl and round brilliant cut diamonds, the other set with onyx and round brilliant cut diamonds, signed B

Estimate £4,000 - £6,000

AN ANTIQUE NATURAL SALTWATER PEARL AND DIAMOND BROOCH, 19TH CENTURY in yellow gold and silver, set with three pearls of 7.0mm, 8.2mm and 7.4mm respectively, accented by old and rose cut diamonds, suspending a pearl drop of approximately 9.2mm accente

Estimate £4,000 - £6,000

AN ART DECO PURPURIN AND DIAMOND BUDDHA CLIP BROOCH in white gold, comprising purpurin carved to depict Buddha accented by rose and round cut diamonds, French import marks, 4.0cm, 7.2g. 

Estimate £2,000 - £3,000

DREICER & CO., A FINE ANTIQUE BELLE EPOQUE ONYX AND DIAMOND BOW BROOCH designed as an openwork bow set with old European and round cut diamonds, accented by rows of polished onyx, black satin set to the reverse, signed Dreicer & C., no assay marks, 6

Estimate £2,000 - £3,000

AN IMPORTANT ANTIQUE CEYLON NO HEAT YELLOW SAPPHIRE AND DIAMOND SUNBURST BROOCH, 19TH CENTURY in yellow gold and silver, set with a cushion cut yellow sapphire of 18.66 carats in a cluster of rose cut diamonds, the graduating rays set with further ro

Estimate £20,000 - £30,000

SUZANNE BELPERRON, A DIAMOND BROOCH in platinum and 18ct white gold, the scrolling brooch set throughout with round brilliant cut diamonds, the principal diamond weighting approximately 1.25 carats, the diamonds all totalling 7.0-8.0 carats, French a

Estimate £25,000 - £35,000

AN IMPORTANT ANTIQUE DIAMOND DEVANT DE CORSAGE BROOCH, 19TH CENTURY in yellow gold and silver, the scrolling foliate brooch jewelled throughout with old cut diamonds, suspending three old pear cut diamonds of approximately 3.70 carats, 2.85 carats an

Estimate £60,000 - £80,000

A LARGE ANTIQUE VICTORIAN AMETHYST CROSS BROOCH / PENDANT in yellow gold, designed as a cross set with oval cut amethysts, no assay marks, 8.1cm, 34.6g. 

Estimate £3,000 - £5,000

A FINE PEARL AND DIAMOND CLOVER BROOCH designed as a clover set with old European and old cut diamonds and three pearls measuring 8.0mm, 10.5mm and 8.8mm, the diamonds totalling approximately 4.0-5.0 carats, stamped 585, 4.0cm, 17.2g. 

Estimate £3,000 - £5,000

A RARE ANTIQUE UNHEATED KASHMIR SAPPHIRE, PEARL AND DIAMOND PENDANT in yellow gold and silver, set with cushion cut sapphires of 0.89, 1.14, 1.16, 1.30 and 2.98 carats in a border of rose cut diamonds and pearls, with a laurel wreath frame set with f

Estimate £20,000 - £30,000

A FINE FRENCH SAPPHIRE AND DIAMOND FLOWER BROOCH in 18ct white gold, designed as a flower set with a cluster of oval and round cabochon sapphires accented by round brilliant cut diamonds, the stem set with further sapphires and diamonds, the diamonds

Estimate £6,000 - £8,000

GEORGES LENFANT FOR HERMES, A LOVER'S KNOT BROOCH in 18ct yellow gold, designed as a rope tied into a lover's knot, signed Hermes Paris and numbered, Georges Lenfant maker's mark, French assay marks, 5.0cm, 35.0g. 

Estimate £4,000 - £6,000

CARTIER, A VINTAGE SAPPHIRE AND DIAMOND FLOWER BROOCH / PENDANT in 18ct yellow gold, designed as a stylised flower set to the centre with a round brilliant cut diamond, accented by round cut sapphires, signed Cartier and numbered, no assay marks, 4.0

Estimate £7,000 - £9,000

A FINE ANTIQUE EMERALD, RUBY, DIAMOND PEARL BROOCH / PENDANT, 19TH CENTURY in yellow gold, set with a cushion cut emerald of approximately 4.33 carats in a cluster of old cut diamonds, the scrolling body set with round cut rubies and rose cut diamond

Estimate £5,000 - £7,000

BULGARI, A FINE VINTAGE DIAMOND BROOCH the scrolling brooch set throughout with round brilliant and baguette cut diamonds, the diamonds all totalling 10.0-11.0 carats, signed Bulgari, no assay marks, 6.7cm, 27.9g. Accompanied by a Bulgari jewellery b

Estimate £10,000 - £15,000

A FINE DIAMOND BELL FLOWER BROOCH in platinum, designed as a bell flower set throughout with round brilliant and baguette cut diamonds, suspending an articulated spray of marquise cut diamonds, the marquise cut diamonds totalling 8.5-9.5 carats, the

Estimate £20,000 - £25,000

VAN CLEEF & ARPELS, AN IMPORTANT DIAMOND FLOWER CLIP BROOCH in platinum and 18ct white gold, designed as a stylised flower set with a cluster of round brilliant cut diamonds, the petals set with further round brilliant, marquise and baguette cut diam

Estimate £50,000 - £70,000

A SAPPHIRE, DIAMOND AND RUBY BUTTERFLY BROOCH designed as a butterfly with openwork wings, set with cushion cut sapphires, round cut rubies and old and round brilliant cut diamonds, accented by a border of rose cut diamonds, no assay marks, 5.8cm, 17

Estimate £1,500 - £2,500

A JADEITE JADE AND DIAMOND FLOWER BROOCH designed as a flower, set with a cluster of round brilliant cut diamonds, the petals set with marquise cabochon jadeite jade, the petals pave set with single cut diamonds, the stem set with baguette cut diamon

Estimate £2,000 - £3,000

AN ANTIQUE SAPPHIRE, DIAMOND AND PEARL BROOCH in yellow gold and silver, the openwork body set with two cushion cut sapphires of approximately 2.38 and 2.62 carats, accented by rose cut diamonds and pearls, suspending a pearl drop, with loops for use

Estimate £4,000 - £6,000

A FINE ANTIQUE DIAMOND EN TREMBLANT BROOCH, 19TH CENTURY in yellow gold and silver, designed as a spray of foliage set throughout with old cut diamonds, the principal flower set en tremblant, the diamonds totalling 13.5-14.5 carats, no assay marks, 7

Estimate £10,000 - £15,000

A FINE FRENCH ART DECO NATURAL SALTWATER PEARL AND DIAMOND BROOCH in 18ct white gold, the geometric brooch set with rose cut diamonds and pearls, suspending an articulated fringe of further pearls, French makers mark, French assay marks, 4.4cm, 8.6g.

Estimate £6,000 - £8,000

A RETRO DIAMOND FLOWER BROOCH designed as a stylised flower set throughout with single and baguette cut diamonds, no assay marks, 4.5cm, 14.6g. 

Estimate £2,500 - £3,500

PERY ET FILS FOR VAN CLEEF & ARPELS, A GOLD LEAF BROOCH in 18ct yellow gold, designed as a leaf, signed VCA and numbered, Pery et Fils maker's mark, French assay marks, stamped 750, 6.1cm, 9.2g. 

Estimate £3,500 - £5,500

AN IMPORTANT ANTIQUE DIAMOND AND ENAMEL BROOCH, LATE 18TH CENTURY in yellow gold, set to the centre with a rose cut diamond on a ground of blue guilloche enamel accented by graduating rows of rose cut diamonds in a further border of rose cut diamonds

Estimate £20,000 - £25,000

BUCCELLATI, A VINTAGE PEA POD BROOCH in 18ct yellow gold, designed as a trio of pea pods, signed Buccellati, stamped 18K, 8.0cm, 48.0g. 

Estimate £3,000 - £5,000

A DIAMOND, EMERALD, SAPPHIRE AND PLIQUE A JOUR ENAMEL DRAGONFLY BROOCH the body set with a row of single cut diamonds, the eyes set with oval cabochon emeralds, the wings decorated with blue and green plique a jour enamel accented by round cabochon s

Estimate £5,000 - £7,000

AN ANTIQUE NATURAL PEARL, RUBY AND DIAMOND TURTLE BROOCH in yellow gold and silver, set with a baroque pearl of 29.9mm in a border of round cut rubies, the articulated body set with rose cut diamonds, the eyes set with round cut rubies, the diamonds

Estimate £10,000 - £15,000

HERMES, A VINTAGE STIRRUP BROOCH in 18ct yellow and white gold, suspending two articulated stirrups, signed Hermes, French assay marks, 5.0cm, 19.4g. 

Estimate £2,000 - £3,000

A FINE 5.96 CARAT CEYLON NO HEAT SAPPHIRE AND DIAMOND BROOCH, MID 20TH CENTURY in 18ct white gold, set with a cushion cut sapphire of 5.96 carats accented by transitional, carre and baguette cut diamonds, French import marks, 4.3cm, 13.7g.

Estimate £10,000 - £15,000

CARTIER, AN ART DECO DIAMOND AND ONYX BROOCH, EARLY 20TH CENTURY the curved body set with a trio of principal old cut diamonds accented by onyx, in a border of single cut diamonds, signed Cartier (part rubbed), 4.2cm, 5.1g.

Estimate £3,000 - £5,000

VAN CLEEF & ARPELS, A DIAMOND FLOWER BROOCH designed as an openwork stylised flower, set throughout with round brilliant cut diamonds, the diamonds all totalling 4.5-5.0 carats, signed VCA 1998 and numbered, stamped 750, 4.0cm, 17.5g. 

Estimate £15,000 - £20,000

AN IMPORTANT BELLE EPOQUE CEYLON NO HEAT SAPPHIRE, DIAMOND AND PEARL BROOCH in platinum and yellow gold, in foliate design set with an oval cut sapphire of 14.80 carats accented by round brilliant, old and rose cut diamonds, the diamonds totalling ap

Estimate £40,000 - £60,000

AN ONYX, DIAMOND AND RUBY SKIER BROOCH designed as a skier, the body formed of polished onyx accented by round brilliant cut diamonds, the head set with an oval cabochon ruby, no assay marks, 6.5cm, 12.9g. 

Estimate £1,500 - £2,500

CARTIER, A RUBY, CHRYSOPRASE AND DIAMOND BONSAI TREE BROOCH, 1930's designed as a Japanese bonsai tree, the body jewelled with round cut diamonds, the leaves and flowers set with cabochon chrysoprase and rubies, signed Cartier and numbered, 2.7cm, 7.

Estimate £10,000 - £15,000

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 FINE ANTIQUE CAT'S EYE CHRYSOBERYL AND DIAMOND CLUSTER BROOCH in yellow gold and silver, set with an oval cat's eye chrysoberyl of approximately 19.00 carats in a cluster of old cut diamonds, the diamonds all totalling 4.0-4.5 carats, no assay mark

Estimate £20,000 - £30,000

A DIAMOND FLOWER BROOCH in platinum and 18ct yellow gold, designed as a stylised flower set with round brilliant and marquise cut diamonds, the diamonds totalling 3.0-3.2 carats, stamped PLAT 18K, 4.0cm, 11.8g. 

Estimate £2,500 - £3,500

BLACK STARR & FROST, AN ANTIQUE DIAMOND BROOCH, EARLY 20TH CENTURY designed as a scrolling ribbon suspending a laurel wreath and flower, set throughout with old cut diamonds, Black Starr & Frost maker's mark, no assay marks, 7.7cm, 13.2g. 

Estimate £3,000 - £5,000