VAN CLEEF & ARPELS, A MOTHER OF PEARL ALHAMBRA NECKLACE in 18ct yellow gold, the chain punctuated by twenty quatrefoil motifs set with mother of pearl, signed Van Cleef & Arpels and numbered, stamped Au750, 86.0cm, 50.5g. 

Estimate £10,000 - £15,000

THEO FENNELL, A GOLD SNAKE CHAIN NECKLACE in 18ct yellow gold, rounded snake link chain, Theo Fennell maker's mark, full British hallmarks, 40.5cm, 8.2g. 

Estimate £300 - £500

AN EMERALD AND DIAMOND PENDANT NECKLACE in 18ct white gold, the trace chain suspending an octagonal step cut emerald in a cluster of round brilliant cut diamonds, accented by two pear cut emerald drops, the emeralds all totalling 3.10 carats, the dia

Estimate £1,500 - £2,500

A DIAMOND PENDANT NECKLACE in 18ct white gold, comprising a trio of round brilliant cut diamonds suspending two rows of further round brilliant cut diamonds, suspended from a fancy link chain, pendant with full British hallmarks, necklace stamped 750

Estimate £500 - £700

A JADEITE JADE, BLUE TOPAZ AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with a carved jadeite jade in a border of round brilliant cut diamonds and fancy cut blue topaz, suspended from a trace chain, inscribed J2.00ct 2.09ct d0.22c

Estimate £700 - £900

A DIAMOND RIVIERE NECKLACE in 18ct yellow gold, comprising a row of bezel set round brilliant cut diamonds, the diamonds all totalling 7.5-8.0 carats, stamped 750, 39.0cm, 66.4g. 

Estimate £8,000 - £12,000

AN ANTIQUE FRENCH GOLD CHAIN NECKLACE in 18ct yellow gold, comprising a row of interlocking textured links, French assay marks, 148.0cm, 14.9g. 

Estimate £2,500 - £3,500

AN ANTIQUE DIAMOND PENDANT NECKLACE in yellow gold and silver, the scrolling openwork pendant set throughout with rose and old cut diamonds, suspending an articulated pear shaped rose cut diamond in a border of further rose cut diamonds and an old cu

Estimate £4,000 - £6,000

LALAOUNIS, A GOLD NECKLACE in 18ct yellow gold, comprising a woven collar, signed Lalaounis, stamped 750, 40.0cm, 19.4g. 

Estimate £1,000 - £1,500

A BLACK PEARL AND DIAMOND NECKLACE in platinum, set with a row of round brilliant cut diamonds and a black pearl drop, suspended from a trace chain, stamped Pt950, 46.0cm, 6.0g. 

Estimate £1,000 - £1,500

A DIAMOND CURB CHAIN NECKLACE in 18ct yellow and white gold, comprising a row of bicolour curb links, the central section set with round brilliant cut diamonds, stamped 750, 43.0cm, 78.6g. 

Estimate £3,000 - £5,000

A DIAMOND, EMERALD AND SAPPHIRE NECKLACE in yellow gold, comprising a single row of graduating round brilliant cut diamonds, the central section set with a heart-shaped cabochon emerald of 2.30 carats accented by three pear cut sapphires and further

Estimate £8,000 - £12,000

A LOCKET / PENDANT NECKLACE in silver, the oval hinged locket in foliate design, opening to reveal a locket compartment, suspended from a fancy link chain, indistinct British hallmarks, pendant 6.3cm, 40.0cm, 37.2g. 

Estimate £200 - £300

AN ANTIQUE YELLOW SAPPHIRE, PEARL, DIAMOND AND TOPAZ NECKLACE in yellow gold and silver, in foliate design set with a cushion cut yellow sapphire of approximately 4.74 carats accented by old cut diamonds and pearls, suspending a pear cut orange topaz

Estimate £3,000 - £5,000

A PEARL, RUBY, EMERALD, DIAMOND AND ENAMEL CHOKER NECKLACE in yellow gold, the openwork clasp in a foliate design set with oval cut rubies, round cut emeralds and old cut diamonds, accented by green enamel clover motifs and bicolour gold thistles, th

Estimate £6,000 - £8,000

A DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with a cluster of round brilliant cut diamonds, suspended from a trace chain, chain stamped 750, pendant 2.0cm, chain 40.0cm, 3.2g. 

Estimate £600 - £800

AN AQUAMARINE AND DIAMOND PENDANT NECKLACE in platinum, set with round brilliant cut diamonds suspending an oval cut aquamarine drop of approximately 2.36 carats, suspended from a trace chain, chain stamped PT950, pendant 2.7cm, chain 46.0cm, 4.6g. 

Estimate £1,500 - £2,500

A TORQUE FEATHER PENDANT NECKLACE in yellow gold and silver, comprising a silver torque necklace with three pendants designed as feathers, necklace with full British hallmarks, pendants 5.5cm and 4.6cm, 36.4g.

Estimate £600 - £800

AN ANTIQUE AQUAMARINE AND DIAMOND NECKLACE the fancy link chain set with six cushion cut aquamarines suspending a pendant set with a row of rose cut diamonds and a cushion cut aquamarine drop of approximately 11.38 carats, the aquamarines all totalli

Estimate £5,000 - £7,000

AN ANTIQUE GOLD CHAIN NECKLACE in 9ct yellow gold, comprising a row of fancy links, stamped 9C, 164.0cm, 40.2g. 

Estimate £600 - £800

AN ANTIQUE PEARL FLOWER PENDANT NECKLACE in 18ct yellow gold, the pendant in foliate design set throughout with pearls, suspended from a trace chain, stamped 18ct, 51.0cm, 9.9g. 

Estimate £600 - £800

A DIAMOND RIVIERE NECKLACE in 18ct white gold, set with a row of graduated round brilliant cut diamonds, the diamonds all totalling 6.14 carats, stamped 18K / 750, 43.0cm, 27.2g. 

Estimate £6,000 - £8,000

A GOLD COLLAR NECKLACE in 18ct yellow gold, the collar comprising woven links, stamped 750, 38.0cm, 85.4g. 

Estimate £3,000 - £5,000

AN AQUAMARINE, DIAMOND AND RUBELLITE TOURMALINE PENDANT NECKLACE in 18ct white gold, the pendant set with a rectangular step cut aquamarine in two borders of round brilliant cut diamonds, suspending a briolette cut rubellite tourmaline drop, suspende

Estimate £800 - £1,200

AN IOLITE, AGATE AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with a fancy cut iolite of 3.12 carats in a border of polished white agate, accented by borders of round brilliant cut diamonds, suspended from a trace link chain, insc

Estimate £800 - £1,200

A RUBY AND DIAMOND PENDANT NECKLACE in 18ct white gold, comprising an openwork circle set with round cut rubies intersecting with an openwork circle set with round brilliant cut diamonds, suspended from two rows of trace chains, inscribed D .24 1.59,

Estimate £800 - £1,200

CHIMENTO, A GOLD COLLAR NECKLACE in 18ct yellow and white gold, comprising a row of two tone fancy links, signed Chimento, stamped 750, 46.0cm, 55.2g. 

Estimate £2,000 - £3,000

AN AQUAMARINE AND DIAMOND PENDANT NECKLACE in platinum, comprising a row of round brilliant cut diamonds suspending a pear cut aquamarine drop of approximately 3.60 carats, suspended from a trace chain, chain stamped Pt950, pendant 2.8cm, chain 40.0c

Estimate £1,500 - £2,500

AN ANTIQUE COLOMBIAN EMERALD, NATURAL PEARL, ENAMEL AND DIAMOND NECKLACE in yellow gold, comprising a row of alternating pearls and gold spheres, decorated with green, red, blue and white enamel, suspending a rose cut diamond and pear cut Colombian e

Estimate £8,000 - £12,000

MESSIKA, A DIAMOND EDEN NECKLACE in 18ct white gold, circular the openwork pendant in foliate design set throughout with round brilliant cut diamonds, suspended from a trace chain set with further round brilliant cut diamonds, signed Messika, French

Estimate £1,500 - £2,500

MESSIKA, A DIAMOND NECKLACE in 18ct white gold, set with a row of round brilliant cut diamonds in clusters of further round brilliant cut diamonds, the diamonds all totalling 5.61 carats, signed Messika, stamped 750, 41.0cm, 39.0g. 

Estimate £2,500 - £3,500

A DIAMOND HEART PENDANT NECKLACE in 18ct yellow gold, designed as an openwork heart set with baguette cut diamond, suspended from a curb chain, partial British hallmarks, pendant 1.9cm, chain 45.0cm, 3.0g. 

Estimate £1,500 - £2,500

A DIAMOND CROSS PENDANT NECKLACE in 9ct white gold, the pendant designed as a cross set with round brilliant cut diamonds, the diamonds all totalling 2.41 carats, suspended from a curb link chain, inscribed 2.41, stamped 9K, pendant 3.5cm, 46.0cm, 6.

Estimate £2,000 - £3,000

MESSIKA, A DIAMOND PROMISE PENDANT NECKLACE in 18ct white gold, the pendant of scrolling design set throughout with round brilliant cut diamonds, suspended from a trace chain set with further round brilliant cut diamonds, inscribed D0.95, signed Mess

Estimate £500 - £700

AN OPAL, CITRINE AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with an oval cabochon opal in a cluster of round brilliant cut diamonds and round cut citrines, suspending a drop set with a pear cabochon opal in a cluster of further

Estimate £1,500 - £2,500

A GOLDEN PEARL AND DIAMOND PENDANT NECKLACE in 18ct white gold, comprising a round brilliant cut diamond suspending a row of further round brilliant cut diamonds and a golden pearl drop of 13.8mm, suspended from a trace link chain, chain stamped 750,

Estimate £1,500 - £2,500