A FINE OPAL, RUBY AND DIAMOND BUTTERFLY BROOCH designed as a butterfly, the body set with old cut diamonds and a pearl of 14.3mm, the wings jewelled with cabochon opals, single cut diamonds and calibre cut rubies, no assay marks, 7.9cm, 26.0g. 

Estimate £4,000 - £6,000

A VINTAGE RUBY, EMERALD AND DIAMOND CAT BROOCH designed as a winking cat, the body set with round cabochon rubies, the eye set with a round cabochon emerald accented by a row of single cut diamonds, stamped 14K, 4.9cm, 10.4g. 

Estimate £800 - £1,200

A RUBY AND PEARL PEARL LEAF BROOCH / PENDANT designed as a stylised leaf set with round cut rubies, accented by a row of pearls, the rubies totalling 5.0-5.5 carats, no assay marks, 2.9cm, 10.4g. 

Estimate £1,500 - £2,500

A SAPPHIRE, DIAMOND AND TSAVORITE GARNET JUG CLIP BROOCH designed as a jug set with oval and cushion cut sapphires, round cut tsavorite garnets and oval cut diamonds, no assay marks, 5.4cm, 21.9g. 

Estimate £3,000 - £5,000

PHILLIPS BROTHERS & SONS, AN ANTIQUE VICTORIAN LAPIS LAZULI, GARNET, DIAMOND AND ENAMEL BROOCH in yellow gold, the domed body comprising polished lapis lazuli with an applied cabochon garnet set with an old cut diamond, accented by a radiating border

Estimate £2,000 - £3,000

AN ANTIQUE DIAMOND AND ENAMEL DOG BROOCH in yellow gold and silver, designed as a dog head set with rose cut diamonds, the eyes decorated with brown and black enamel, no assay marks, 3.1cm, 12.5g. 

Estimate £2,000 - £3,000

CHAUMET, A VINTAGE SAPPHIRE CLIP BROOCH in 18ct yellow gold, designed as an abstract spray set with round cut sapphires, signed Chaumet Paris, Chaumet maker's mark, French assay marks, 4.3cm, 17.1g. 

Estimate £3,000 - £5,000

A FINE WHITE, YELLOW AND ORANGE DIAMOND IRIS CLIP BROOCH designed as an iris set throughout with round brilliant cut white, yellow and orange diamonds, the diamonds all totalling 19.0-20.0 carats, stamped 750 18K, 11.3cm, 44.9g. Accompanied by a facs

Estimate £15,000 - £20,000

A DIAMOND AND RUBY BIRD BROOCH in 18ct white gold, designed as a stylised bird set with a rough diamond body and a round cut ruby eye, accented by a scrolling border set with further diamonds and a cabochon ruby, signed A. REZA, French maker's mark,

Estimate £1,500 - £2,500

CARTIER, A VINTAGE DIAMOND FLOWER BROOCH in 18ct yellow gold, designed as a flower, set with round brilliant cut diamonds, signed Cartier, stamped 18K 750, 5.5cm, 18.3g. 

Estimate £4,000 - £6,000

PERY ET FILS FOR VAN CLEEF & ARPELS, A VINTAGE CORAL, DIAMOND AND ENAMEL JESTER CLIP BROOCH designed as a jester set with round brilliant and single cut diamonds, an articulated coral bead suspended from the cap, the articulated collar and twisted ba

Estimate £8,000 - £12,000

AN ANTIQUE BELLE EPOQUE DIAMOND AND ONYX BROOCH / PENDANT the openwork brooch set with a principal old European cut diamond of approximately 0.92 carats, accented by further old European and round cut diamonds and calibre cut onyx, no assay marks, br

Estimate £1,800 - £2,200

A PAIR OF VINTAGE RUBY AND DIAMOND BUCKLE CLIP EARRINGS in 14ct yellow gold, each designed ad a buckle set with round cut rubies and single cut diamonds, stamped 14K, 2.1cm, 8.5g. 

Estimate £500 - £700

NARDI, A DIAMOND, EBONY AND PEARL BLACKAMOOR BROOCH designed as the bust of a Blackamoor, the face carved from ebony, the headdress and garments accented by round brilliant cut diamonds, the headdress accented by a pearl, signed G. NARDI, no assay ma

Estimate £2,500 - £3,500

ELIZABETH GAGE, A DIAMOND AND PEARL OAK LEAF BROOCH in 18ct white and yellow gold, designed as oak leaves set with round brilliant cut diamonds, accented by acorns set with pearls, the diamonds totalling 7.0-8.0 carats, signed Gage, full British hall

Estimate £6,000 - £8,000

JULIETTE MOUTARD FOR RENE BOIVIN, A DIAMOND FLOWER CLIP BROOCH, 1935 in 18ct yellow gold, designed as a flower set with old European and rose cut diamonds, suspending old European cut diamond drops, the diamonds totalling 3.4-3.8 carats, French assay

Estimate £6,000 - £8,000

KIESELSTEIN, A RUBY AND DIAMOND HEART BROOCH designed as three hearts pave set with round cut rubies and round brilliant cut diamonds, surmounted by crowns set with further diamonds, the rubies totalling 3.8-4.1 carats, the diamonds totalling 2.8-3.0

Estimate £2,000 - £3,000

A MULTICOLOUR SAPPHIRE AND RUBY BROOCH comprising bone carved to depict a horse, mounted by a rider, set with round and cabochon cut rubies and sapphires and a cushion cut pink sapphire of approximately 0.90 carats, the base set with cushion cut blue

Estimate £1,800 - £2,200

A RUBY AND DIAMOND FLORAL BOUQUET BROOCH designed as a bouquet of flowers set with round cut rubies and round brilliant cut diamonds, the stem set with baguette cut diamonds, the diamonds all totalling 3.0-3.5 carats, the rubies all totalling 2.0-2.5

Estimate £1,800 - £2,200

AN ANTIQUE VICTORIAN BANDED AGATE BROOCH set with a round cabochon banded agate, accented by ropework and beadwork, no assay marks, 4.7cm, 33.6g. 

Estimate £2,000 - £3,000

ASPREY, A BLUE TOPAZ AND DIAMOND JABOT PIN BROOCH in 18ct white gold, designed as four flowers set with round brilliant cut diamonds in clusters of marquise cut blue topaz, the clasp designed as a flower set with round brilliant and marquise cut diam

Estimate £2,500 - £3,500

AN ONYX AND DIAMOND BROOCH comprising polished onyx accented by a segment of pave set round brilliant cut diamonds, stamped 14K, 6.0cm, 14.8g. 

Estimate £600 - £800

A PEARL AND DIAMOND BAR BROOCH comprising a row of alternating pearls and old European cut diamonds, within a border of transitional and old European cut diamonds, no assay marks, 7.0cm, 9.6g. 

Estimate £2,000 - £3,000

A CARVED CORAL GEISHA BROOCH comprising a piece of coral carved to depict a geisha, no assay marks, 5.2cm, 9.3g. 

Estimate £800 - £1,200

ANTIQUE RUBY AND DIAMOND BROOCH in yellow gold and silver, the scrolling brooch in foliate design set with an oval cut ruby of approximately 2.16 carats, accented by old European and rose cut diamonds, suspending a peat shaped old cut diamond drop, t

Estimate £3,000 - £5,000

AN ANTIQUE ART NOUVEAU BAROQUE PEARL, DIAMOND AND ENAMEL BROOCH the foliate style brooch set with a baroque pearl of 19.4mm, within a frame of green enamel leaves accented by old cut diamonds, stamped 18K, 4.0cm, 11.4g. 

Estimate £2,000 - £3,000

AN ANTIQUE CORAL AND ENAMEL CAMEO BROOCH in yellow gold, set with a coral cameo carved to depict a lion head accented by white enamel rays, the brooch accented by leaf motifs, rope work and beadwork, glass covered locket panel to the reverse, no assa

Estimate £3,000 - £5,000