AN ANTIQUE EGYPTIAN REVIVAL SAPPHIRE AND ENAMEL WINGED SCARAB BROOCH in yellow gold, set with a cabochon sapphire carved to depict a scarab, accented by wings decorated with blue, green, red and white enamel, signed Negri, no assay marks, 3.2cm, 6.0g

Estimate £2,000 - £3,000

LEE HAVENS, A MULTI GEM, PEARL AND CALICO SHELL BROOCH the brooch set with a calico shell accented by a pearl of 11.1mm, the abstract base set with oval cut citrines, green tourmalines, amethysts, pink tourmalines, garnets and aquamarines, signed Lee

Estimate £3,000 - £5,000

GIULIANO, AN IMPORTANT ANTIQUE MULTI COLOUR SAPPHIRE AND ENAMEL BROOCH in yellow gold, set with a cushion cut pink sapphire of approximately 13.56 carats, accented by a crescent of round cut blue sapphires, within a foliate style border set with oval

Estimate £20,000 - £30,000

SAMISTARD, A DIAMOND PENGUIN BROOCH designed as a penguin pave set with round brilliant cut diamonds, the eye set with a single round cut black diamond, signed SAMISTARD, stamped 18K WG, 3.3cm, 6.0g.

Estimate £1,000 - £1,500

A FINE ART DECO SAPPHIRE AND DIAMOND BROOCH in geometric design, set with rectangular step cut sapphires, accented by old European and round brilliant cut diamonds, no assay marks, 4.7cm, 11.6g. 

Estimate £1,200 - £1,600

A CARVED CORAL AND DIAMOND FLOWER BASKET BROOCH set with coral carved to depict a basket of flowers, accented by single cut diamonds, stamped 14K, 6.0cm, 52.6g. 

Estimate £2,500 - £3,500

AN ANTIQUE VICTORIAN TURQUOISE, PEARL AND DIAMOND FLOWER BROOCH in yellow gold and silver, designed as a flower, the flower head set with three baroque pearls and old cut diamonds, the leaves pave set with round cabochon turquoise, no assay marks, 5.

Estimate £2,000 - £3,000

A LARGE PINK OPAL, PEARL AND DIAMOND BROOCH set with an oval cabochon pink opal of approximately 47.13 carats in a border of round brilliant cut diamonds and pearls, no assay marks, 4.7cm, 22.6g. 

Estimate £1,200 - £1,600

AN ANTIQUE DIAMOND SPRAY BROOCH designed as a foliate spray, comprising three leaves set with old cut diamonds leading to articulated rows set with further old cut diamonds, the diamonds all totalling 2.8-3.2 carats, no assay marks, 9.0cm, 15.0g. 

Estimate £2,500 - £3,500

A SYNTHETIC RUBY, SYNTHETIC SAPPHIRE AND WHITE SAPPHIRE BROOCH / PAIR OF DOUBLE CLIP BROOCHES the octagonal brooch in openwork design, comprising four detachable segments set with octagonal step cut synthetic rubies and round and square step cut synt

Estimate £1,500 - £2,500

A WEDGEWOOD CAMEO BROOCH set with an oval Wedgewood cameo depicting a classical scene, inscribed 'Wedgewood made in England', HSB maker's mark, stamped 14K, 4.2cm, 11.3g. 

Estimate £250 - £350

AN ANTIQUE NATURAL PEARL, DIAMOND AND RUBY COCKATRICE BROOCH in yellow gold, comprising a large baroque pearl surmounted by a cockatrice set with old cut diamonds and cushion cut rubies, the head set with an old cut diamond measuring 6.7mm x 5.5mm, n

Estimate £5,000 - £7,000

DE AMBROSI, AN AQUAMARINE AND DIAMOND FLOWER BROOCH in 18ct white gold, designed as a flower set with a cluster of round brilliant cut diamonds, the petals set with carved aquamarines accented by further round brilliant cut diamonds, the diamonds tot

Estimate £2,000 - £3,000

GEORGES L'ENFANT FOR HERMES, A MULTI GEM AND DIAMOND PHEASANT BROOCH in 18ct yellow gold, designed as a pheasant in flight, set with round cut peridots, hessonite garnets and emeralds, accented by single cut diamonds, signed Hermes Paris, Georges L'e

Estimate £8,000 - £12,000

AN ART DECO PEARL AND DIAMOND CLIP BROOCH the shield shaped brooch set with three pearls, accented by old European, single and a graduating row of trapezoid cut diamonds, no assay marks, 4.4cm, 15.8g. 

Estimate £4,000 - £6,000

VAN CLEEF AND ARPELS, AN ART DECO DIAMOND 'UN CERCLE' BROOCH, CIRCA 1931 in platinum and 18ct white gold, designed as an open hinged circle, set throughout with round brilliant cut diamonds and accented by baguette cut diamonds, the round brilliant c

Estimate £30,000 - £40,000

AN AQUAMARINE AND DIAMOND BROOCH set with an octagonal step cut aquamarine of approximately 24.40 carats, within a double border of round brilliant cut diamonds totalling 1.4-1.6 carats, no assay marks, 3.0cm, 17.2g. 

Estimate £2,500 - £3,500

A DIAMOND, RUBY AND ENAMEL BUTTERFLY BROOCH designed as a butterfly, the body set with round cut diamonds and relieved in green and orange enamel, the wings decorated with blue, green, yellow, red and purple plique a jour enamel, stamped 585, 7.2cm,

Estimate £1,500 - £2,500

AN ANTIQUE PEARL AND DIAMOND BROOCH in yellow gold, the foliate style brooch set with a white, black and pink pearl, accented by rose cut diamonds, no assay marks, 3.0cm, 6.1g. 

Estimate £400 - £600

MAUBOUSSIN, A DIAMOND CLIP BROOCH in 18ct yellow gold, designed as a stylised leaf set with a round brilliant cut diamond, signed Mauboussin Paris and numbered, French assay marks, 5.0cm, 8.2g. 

Estimate £1,500 - £2,500

HAMMERMAN BROTHERS, AN IRRADIATED GREEN DIAMOND AND DIAMOND TURTLE BROOCH designed as a turtle, set throughout with round cut irradiated green diamonds and round brilliant cut white diamonds, the diamonds all totalling 5.3-5.6 carats, Hammerman Broth

Estimate £2,000 - £3,000

BOUCHERON, A RETRO DIAMOND CLIP BROOCH in yellow gold, the scrolling brooch set with old European and single cut diamonds, signed Boucheron Paris and numbered, no assay marks, 6.0cm, 20.2g. Accompanied by a Boucheron jewellery box.

Estimate £3,000 - £5,000

CARTIER, A VINTAGE EMERALD PANTHERE BROOCH in 18ct blackened gold, designed as a prowling panther, the eyes set with round cut emeralds, with pin brooch and clip fittings, signed Cartier and numbered, French maker's mark, French assay marks, stamped

Estimate £5,000 - £7,000

A CORAL CAMEO AND PEARL BROOCH set with an oval coral cameo carved to depict the bust of a classical woman wearing a crown of wheat sheaves, framed by a border of pearls, no assay marks, 3.0cm, 10.6g. 

Estimate £500 - £700

TIFFANY & CO., A DIAMOND CIRCLE BROOCH, 1940's 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 £3,500 - £4,500

A TURBO SHELL, CORAL AND DIAMOND BROOCH comprising a large turbo shell set with a round cabochon coral, accented by rows of round brilliant cut diamonds, stamped 750, 5.7cm, 34.3g. 

Estimate £1,200 - £1,600