GUBELIN, A GOLD NECKLACE in 18ct yellow gold, comprising a row of polished and brushed gold curb links, Gubelin maker's mark, stamped 750, 38.0cm, 177.5g. 

Estimate £8,000 - £12,000

AN EMERALD AND DIAMOND PENDANT NECKLACE the pendant set with four marquise cut diamonds and a square step cut emerald of approximately 1.25 carats, suspended from a trace chain, the diamonds totalling 0.7-0.8 carats, chain stamped 925, chain 45.9cm,

Estimate £1,000 - £1,500

AN IMPORTANT DIAMOND RIVIERE NECKLACE in yellow gold and silver, comprising a row of graduating old European cut diamonds in pinched collet settings, the diamonds all totalling 46.0-50.0 carats, no assay marks, 49.0cm, 48.7g. The principal diamonds e

Estimate £70,000 - £90,000

BEN ROSENFELD, A FINE VINTAGE TURQUOISE AND DIAMOND NECKLACE in 18ct yellow gold, comprising a row of scrolling links set with pear shaped, round and oval cabochon turquoise, accented by round brilliant cut diamonds, the diamonds totalling 3.5-4.0 ca

Estimate £6,000 - £8,000

AN ANTIQUE VICTORIAN DIAMOND LOCKET NECKLACE in yellow gold, the oval hinged locket set with an old cut diamond, opening to reveal two locket compartments, suspended from a fancy link collar necklace, no assay marks, locket 6.0cm, necklace 40.0cm, 52

Estimate £2,500 - £3,500

ASPREY, A PEARL AND DIAMOND CHOKER NECKLACE in 18ct yellow gold, comprising three rows of pearls, accented by spacers set with round brilliant cut diamonds, the central stylised pendant accented by further diamonds, A&Co. maker's mark, full British h

Estimate £1,500 - £2,500

A FINE ANTIQUE GEORGIAN BELCHER CHAIN NECKLACE in 15ct yellow gold, comprising a row of belcher links embossed with stars, the clasp with a grape vine motif, no assay marks, 93.0cm, 150.4g. 

Estimate £15,000 - £20,000

AN ANTIQUE BELLE EPOQUE DIAMOND PENDANT NECKLACE in platinum and white gold, the foliate style pendant set with old and rose cut diamonds, suspending an old European cut diamond drop of approximately 3.59 carats, the diamonds totalling 4.3-4.8 carats

Estimate £20,000 - £30,000

NO RESERVE - A CITRINE AND DIAMOND PENDANT NECKLACE the pendant set with a trio of round brilliant cut diamonds and an oval cut citrine, suspended from a trace chain, stamped 750, pendant 1.5cm, chain 41.5cm, 4.9g. 

Estimate £250 - £350

AN ANTIQUE DIAMOND, PEARL AND ENAMEL PENDANT NECKLACE the pendant decorated with lavender guilloche enamel with an applied flower motif set with rose cut diamonds, within a border of laurel leaves and bows set with further rose cut diamonds and pearl

Estimate £6,000 - £8,000

VAN CLEEF & ARPELS, A TURQUOISE AND DIAMOND TWO BUTTERFLY PENDANT NECKLACE in 18ct yellow gold, the pendant designed as a butterfly set with a marquise cut diamond, the petals set with polished turquoise, suspended from a trace chain punctuated by a

Estimate £6,500 - £7,500

BULGARI, A PARENTESI COLLAR NECKLACE in 18ct yellow gold and steel, the collar in modular design, signed Bulgari, Italian assay marks, stamped 750 gold and steel, 37.0cm, 132.5g. 

Estimate £10,000 - £15,000

BOUCHERON, A GOLD COLLAR NECKLACE in 18ct yellow gold, comprising a row of alternating gold beads and fluted gold links, signed Boucheron, French maker's mark, French assay marks, stamped 750, 40.0cm, 69.2g.

Estimate £5,000 - £7,000

A FINE UNHEATED RUBY AND DIAMOND NECKLACE in platinum, set with oval cut rubies, accented by round brilliant and tapered baguette cut diamonds, the rubies all totalling 30.0-32.0 carats, the diamonds all totalling 9.0-10.0 carats, stamped PLAT, 39.5c

Estimate £30,000 - £50,000

AN ANTIQUE DIAMOND TASSEL NECKLACE in yellow gold and silver, the pendant designed as a pair of tassels set throughout with old and rose cut diamonds, suspended from a belcher chain, the diamonds all totalling 2.7-2.9 carats, clasp marked indistinctl

Estimate £4,000 - £6,000

AN ANTIQUE MOONSTONE FRINGE NECKLACE in 9ct yellow gold, comprising a trace chain suspending a series of round cabochon moonstone drops, stamped 9ct, 46.0cm, 15.3g. 

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND CLUSTER PENDANT NECKLACE the pendant set with an octagonal step cut aquamarine of approximately 2.00 carats in a cluster of round brilliant cut diamonds, suspended from a trace chain, the diamonds totalling 0.8-0.9 carats, p

Estimate £1,200 - £1,600

A FINE ANTIQUE DIAMOND PENDANT NECKLACE, EARLY 20TH CENTURY in yellow gold and platinum, comprising a bow motif set with old cut diamonds, suspending an openwork pendant with a central old mine cut diamond of approximately 1.30 carats in cluster of o

Estimate £8,000 - £12,000

A FRENCH PEARL, RUBY AND DIAMOND SAUTOIR TASSEL NECKLACE comprising a trace chain punctuated by cabochon rubies and pearls, terminating at each end with a pearl tassel pendant accented by round and cushion cut rubies and rose cut diamonds, tassels wi

Estimate £10,000 - £15,000

A SYNTHETIC SAPPHIRE AND DIAMOND PENDANT NECKLACE the pendant set with a cabochon synthetic sapphire measuring 21.00mm x 20.00mm in a cluster of round brilliant cut diamonds, suspended from a curb chain accented by further diamonds, the diamonds tota

Estimate £3,000 - £5,000

GAVELLO, A BLACK DIAMOND CROSS NECKLACE the cross pendant pave set with round cut black diamonds, suspended from an oval link chain, signed Gavello, stamped 750, pendant 6.0cm, chain 41.0cm, 79.2g. 

Estimate £4,000 - £6,000

AN AQUAMARINE AND DIAMOND PENDANT NECKLACE set with an oval cut aquamarine in a cluster of round brilliant cut diamonds, suspending a round brilliant cut diamond and a drop of similar design, the trace chain interspersed with four round brilliant cut

Estimate £2,500 - £3,500

A RUBY LINE NECKLACE comprising a row of octagonal step cut rubies totalling 22.0-23.0 carats, stamped 18K, 46.0cm, 29.8g. 

Estimate £12,000 - £16,000

A SAPPHIRE BEAD NECKLACE comprising two rows of faceted sapphire beads, stamped 585, 46.0cm, 24.8g. 

Estimate £400 - £600

A DIAMOND, AQUAMARINE, TOURMALINE AND PRASIOLITE NECKLACE comprising a row of alternating navette shaped textured links and navette shaped links set with round brilliant cut diamonds, suspending a pendant set with a round brilliant cut diamond of app

Estimate £25,000 - £35,000

A BLUE CHALCEDONY AND DIAMOND PENDANT NECKLACE the pendant set with a carved blue chalcedony in a border of round brilliant cut diamonds, suspended from a trace chain, stamped AU750, pendant 2.1cm, chain 46.0cm, 5.3g. 

Estimate £600 - £800

A DIAMOND COLLAR NECKLACE the central section set with pear and marquise cut diamonds leading to a row of pear cut diamonds framed by borders of round brilliant cut diamonds, accented by round brilliant cut diamonds, the diamonds all totalling 13.5-1

Estimate £12,000 - £16,000

ATTR TRIANON, A MUTLI GEM AND FROSTED ROCK CRYSTAL BEAD NECKLACE comprising eleven rows of frosted rock crystal beads, accented by polished sapphire, ruby and emerald beads, the clasp comprising frosted rock crystal set with cabochon rubies, sapphire

Estimate £2,500 - £3,500

A MORGANITE AND DIAMOND PENDANT NECKLACE the pendant set with three pear cut morganites in borders of round brilliant cut diamonds, suspended from a trace chain, stamped 750, pendant 4.7cm, chain 45.5cm, 5.1g. 

Estimate £800 - £1,200

A DIAMOND PENDANT NECKLACE the openwork pendant set with round brilliant and tapered baguette cut diamonds, the diamonds all totalling 1.4-1.5 carats, suspended from a trace chain, chain stamped 750, pendant 2.5cm, chain 43.0cm, 6.6g. 

Estimate £1,000 - £1,500

MAUBOUSSIN, A DIAMOND PENDANT NECKLACE in 18ct yellow gold, the pendant set with a round brilliant cut diamond, suspended from a trace chain, signed Mauboussin, French assay marks, pendant 0.2cm, chain 37.5cm, 1.5g. Accompanied by a jewellery bag and

Estimate £200 - £300

AN AQUAMARINE AND DIAMOND NECKLACE the stylised pendant set with an oval cut aquamarine of approximately 7.86 carats and round brilliant cut diamonds, suspended from a chain, CB maker's mark, no assay marks, pendant 3.6cm, chain 46.0cm, 24.6g. 

Estimate £2,500 - £3,500

AN ANTIQUE SHELL CAMEO NECKLACE in yellow gold, comprising twenty six graduated shell cameos carved to depict mythical scenes and busts of classical figures, no assay marks, 46.0cm, 39.5g.

Estimate £5,000 - £7,000

VERDURA, A CORAL AND ONYX NECKLACE comprising a row of graduating polished coral beads, accented by ornate gold beads and polished onyx beads, later clasp stamped 925, 79.0cm, 68.4g. Accompanied by a facsimile letter from Verdura detailing that they

Estimate £5,000 - £7,000

GAVELLO, AN ONYX AND DIAMOND CROSS PENDANT NECKLACE the cross pendant set with polished onyx and round brilliant cut diamonds, suspended from a fancy link chain, signed Gavello, stamped 750, pendant 6.5cm, chain 55.0cm, 86.5g. 

Estimate £4,000 - £6,000

BULGARI, A MOTHER OF PEARL OPTICAL ILLUSION PENDANT in 18ct yellow gold and steel, the circular pendant set with mother of pearl, engraved BVGLARI to the sides, suspended from an unrelated fancy link chain, pendant signed Bulgari, Italian assay marks

Estimate £5,000 - £7,000

AN ANTIQUE TURQUOISE AND PEARL HEART PENDANT NECKLACE the heart shaped pendant set with a round cabochon turquoise in a cluster of seed pearls, opening to reveal two locket compartments, suspended from a belcher chain, no assay marks, pendant 2.8cm,

Estimate £250 - £350

AN ANTIQUE ALBERT CHAIN in 9ct yellow gold, comprising a fancy link chain with engraved and cut out decoration, suspending a t-bar pendant, stamped 9c, 35.0cm, 27.2g. 

Estimate £800 - £1,200

A VINTAGE RUBY AND DIAMOND CRESCENT MOON TASSEL NECKLACE in 9ct yellow gold, comprising three rows of fancy links terminating with tassel pendants, the clasp designed as a crescent moon set with round cut rubies and single cut diamonds within star sh

Estimate £2,500 - £3,500

A GREEN TOURMALINE, DIAMOND, MOTHER OF PEARL AND MALACHITE PENDANT NECKLACE the pendant set with a heart cut green tourmaline in a stylised border of mother of pearl and malachite, accented by round brilliant cut diamonds, suspended from a trace chai

Estimate £800 - £1,200

AN EMERALD AND DIAMOND PENDANT NECKLACE the pendant set with a pear cut emerald of 14.42 carats in a border of round brilliant cut diamonds, suspended from a curb chain, chain stamped 925, pendant 4.0cm, chain 44.0cm, 12.5g. 

Estimate £12,000 - £16,000

A RED CORAL BEAD NECKLACE comprising a row of graduating faceted coral beads ranging from 8.4mm-17.1mm, no assay marks, 51.0cm, 98.5g.

Estimate £2,500 - £3,500

A JADEITE JADE PENDANT NECKLACE the pendant set with a jadeite jade plaque carved to depict foliage, suspending a drop of similar design, suspended from a trace chain, no assay marks, pendant 9.0cm, chain 38.0cm, 19.8g. 

Estimate £2,000 - £3,000

AN ANTIQUE EDWARDIAN DIAMOND NEGLIGEE NECKLACE in 15ct yellow gold, the negligee pendant set with old and single cut diamonds, suspending two diamond set drops, suspended from a trace chain, stamped 15ct, pendant 4.7cm, chain 44.0cm, 9.7g. 

Estimate £1,200 - £1,600

A FINE ANTIQUE DIAMOND PENDANT NECKLACE, EARLY 20TH CENTURY the openwork pendant of foliate design, set with round cut diamonds, suspending an old cut diamond drop of approximately 0.65 carats, suspended from a trace chain, no assay marks, pendant 4.

Estimate £4,000 - £6,000

NO RESERVE - A MALACHITE AND DIAMOND PENDANT NECKLACE the pendant comprising a malachite wheel set with a round brilliant cut diamond in a star motif, suspended from a trace chain, pendant stamped 14K, chain stamped 925, pendant 1.6cm, chain 40.0cm,

Estimate £100 - £200

NO RESERVE - A DIAMOND FLOWER PENDANT NECKLACE the pendant designed as two openwork flowers set with round brilliant cut diamonds, suspended from a trace chain, stamped Au750, pendant 2.0cm, chain 41.0cm, 1.7g. 

Estimate £200 - £300

A CORAL BEAD AND PASTE  NECKLACE comprising four rows of graduating polished coral beads, the clasp set with round cut white paste stones, stamped Neumann Metal, 50.0cm, 242.8g. 

Estimate £400 - £600

AN EMERALD AND DIAMOND FLOWER PENDANT NECKLACE the pendant designed as a flower set with a round brilliant cut diamond in a cluster of marquise cut emeralds, suspended from a box chain, chain stamped 750, pendant 1.8cm, chain 49.0cm, 2.0g. 

Estimate £300 - £500