CHILD & CHILD, AN ANTIQUE AQUAMARINE AND ENAMEL WING BROOCH, 19TH CENTURY in silver, designed to depict wings relieved in turquoise and green enamel, accented by an oval cut aquamarine, the reverse decorated with further blue enamel, no assay marks,

Estimate £1,500 - £2,500

A RETRO DIAMOND BROOCH the scrolling brooch in lattice design accented by single cut diamonds, suspending three articulated drops set with round brilliant cut diamonds, no assay marks, 7.1cm, 11.7g. 

Estimate £1,800 - £2,200

JEAN SCHLUMBERGER FOR TIFFANY & CO., A VINTAGE PERIDOT AND DIAMOND FLOWER BROOCH in 18ct yellow gold, the domed body set with oval and round cut peridots, accented by flower motifs set with round brilliant cut diamonds, signed Tiffany, signed Schlumb

Estimate £20,000 - £25,000

JEAN SCHLUMBERGER FOR TIFFANY & CO., A VINTAGE LAPIS LAZULI, RUBY, DIAMOND AND PEARL CAMEL BROOCH in 18ct yellow gold, designed as a camel, the hump set with an oval cabochon lapis lazuli accented by round brilliant cut diamonds, with a headdress set

Estimate £12,000 - £16,000

AN ANTIQUE DIAMOND CLOVER BROOCH designed as a sprig of clovers, set throughout with old and rose cut diamonds, the diamonds all totalling 2.5-3.0 carats, no assay marks, 5.4cm, 8.2g. 

Estimate £1,500 - £2,500

AN ENAMEL AND DIAMOND MOTORCAR BROOCH designed as an antique motorcar set with single cut diamonds and relieved in red and black enamel, the articulated wheels set with a round cut ruby and further single cut diamonds, no assay marks, 5.1cm, 13.4g. 

Estimate £1,600 - £2,200

TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940S in platinum, designed as an open circle set throughout with old European cut diamonds, the diamonds all totalling 4.3-4.5 carats, signed Tiffany & Co., no assay marks, 4.3cm, 7.2g. 

Estimate £3,000 - £5,000

CARTIER, AN ANTIQUE ART DECO JADEITE JADE, ONYX AND DIAMOND JABOT PIN BROOCH in 18ct white gold, each end of the pin set with polished onyx accented by rose cut diamonds, suspending a jadeite jade pendant carved to depict foliage, signed Cartier Pari

Estimate £4,000 - £6,000

VAN CLEEF & ARPELS, A FOLIE DES PRES MULTICOLOUR SAPPHIRE AND DIAMOND FAIRY BROOCH in 18ct yellow gold, designed as a fairy with a wreath of flowers, the head set with a rose cut diamond, the wings set with round brilliant cut diamonds, the floral wr

Estimate £25,000 - £30,000

LALIQUE, AN ART NOUVEAU MOONSTONE AND SAPPHIRE PENDANT in yellow gold, the openwork pendant set with a sugarloaf cabochon moonstone accented by sugarloaf and round cabochon sapphires, signed Lalique, no assay marks, 5.8cm, 6.8g. 

Estimate £6,000 - £8,000

ELIZABETH GAGE, A ROCK CRYSTAL INTAGLIO, PEARL AND DIAMOND BROOCH in 18ct yellow and white gold, set with two rock crystal intaglios carved to depict a running stag and flowers, in a foliate style border set with round brilliant cut diamonds, accente

Estimate £4,000 - £6,000

A ROCK CRYSTAL, SAPPHIRE AND DIAMOND BROOCH set with an oval rock crystal carved to depict classical figures dancing, in an openwork border set with calibre cut sapphires and round cut diamonds, no assay marks, 6.0cm, 14.0g. 

Estimate £1,200 - £1,600

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 FINE ANTIQUE DIAMOND MALTESE CROSS BROOCH / PENDANT in yellow gold and silver, designed as a Maltese cross, set to the centre with an old cut diamond of approximately 1.10 carats in a cluster of old cut diamonds, accented throughout with further ol

Estimate £6,000 - £8,000

A FINE ANTIQUE CHRYSOBERYL, ENAMEL AND AGATE CAMEO BROOCH, 19TH CENTURY in yellow gold, set with an agate cameo carved to depict the bust of a classical woman, her hair adorned with grapevine wreath and bunches of grapes, in a border of blue, green a

Estimate £3,000 - £5,000

AN ANTIQUE DIAMOND EN TREMBLANT FLORAL SPRAY BROOCH in yellow gold and silver, designed as a floral spray, set throughout with old, cushion and single cut diamonds, the central flower set en tremblant, the diamonds all totalling 8.0-9.0 carats, no as

Estimate £8,000 - £12,000

VAN CLEEF & ARPELS, AN UNHEATED SAPPHIRE, EMERALD AND DIAMOND FLORAL SPRAY BROOCH, 1950S in platinum, designed as a floral spray set throughout with round brilliant, marquise and baguette cut diamonds, accented by round cut emeralds and oval and cush

Estimate £25,000 - £30,000

A FRENCH ART DECO EMERALD AND DIAMOND PLAQUE BROOCH in 18ct white gold and platinum, set with a rectangular step cut emerald accented on each side by a baguette cut diamond, accented by single and calibre cut emeralds, French assay marks, 5.0cm, 14.8

Estimate £8,000 - £12,000

A JADEITE JADE AND DIAMOND FLOWER BROOCH designed as two flowers set with round and pear shaped cabochon jadeite jades, accented by round brilliant cut diamonds, the stem and leaves set with further round brilliant and baguette cut diamonds, the diam

Estimate £1,800 - £2,200

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

CARTIER, A DIAMOND AND EMERALD ELEPHANT BROOCH in 18ct yellow gold, designed as an elephant set throughout with round brilliant cut diamonds, the eyes set with round cut emeralds, the diamonds all totalling 2.5-3.0 carats, signed Cartier and numbered

Estimate £15,000 - £20,000

SEAMAN SCHEPPS, A GEMSET TEMPLE BROOCH designed as an Eastern temple scene with three Gods, set with cabochon emeralds, rose cut diamonds, round cut demantoid garnets, square step, round and cabochon sapphires, and round cut rubies, signed Seaman Sch

Estimate £1,000 - £1,500

A YELLOW SAPPHIRE AND DIAMOND ARROW BROOCH designed as an arrow set with an oval cut yellow sapphire of approximately 19.03 carats, the arrow head and tail set with rose cut diamonds, no assay marks, 6.4cm, 10.5g. 

Estimate £5,000 - £7,000

A DIAMOND FLOWER BROOCH designed as a flower, the centre of the flower and stem set with single cut diamonds, no assay marks, 7.0cm, 22.6g. 

Estimate £3,000 - £5,000

A YELLOW AND WHITE DIAMOND ROSE CLIP BROOCH designed as a rose bud set with round brilliant cut yellow and white diamonds, no assay marks, 3.3cm, 23.9g. 

Estimate £8,000 - £12,000

A NATURAL SALTWATER PEARL AND DIAMOND BROOCH in yellow and white gold, the openwork brooch in foliate design, set with a pearl of 10.7mm and accented throughout with old cut diamonds, the diamonds all totalling 3.0-3.0 carats, no assay marks, 7.4cm,

Estimate £4,000 - £6,000