BUCHERER, A MALACHITE AND DIAMOND HEART PENDANT NECKLACE in 18ct yellow gold, the pendant designed as a heart set with polished malachite, in a border of round brilliant cut diamonds, suspended from a trace chain, CB maker's mark, Swiss assay marks,

Estimate £500 - £700

VAN CLEEF & ARPELS, A CORAL AND DIAMOND BOW NECKLACE in 18ct yellow gold, the pendant designed as a bow set with polished coral and round brilliant cut diamonds, suspended from a trace chain, signed VCA and numbered, French assay marks, 40.0cm, 5.6g.

Estimate £1,500 - £2,500

A TYPE A JADEITE JADE AND DIAMOND NECKLACE comprising a trace chain set with a row of round cabochon jadeite jades accented by round cut diamonds, suspending a round cabochon jadeite jade drop, stamped 750, 45.0cm, 6.2g. Accompanied by a gemmological

Estimate £500 - £700

PRAGNELL, A DIAMOND PENDANT NECKLACE the pendant set with a round brilliant cut diamond of 0.50 carats, suspended from a trace chain, signed Pragnell, chain with partial British hallmarks for 18ct gold, pendant 1.1cm, chain 45.0cm, 4.7g. Accompanied

Estimate £800 - £1,200

SABADDINI, A TURQUOISE BEAD NECKLACE comprising a row of polished turquoise beads of 18.0mm, signed Sabaddini, stamped 750, 48.0cm, 165.7g. 

Estimate £1,000 - £1,500

A DIAMOND NECKLACE comprising a row of princess cut diamonds, the diamonds all totalling 3.6-4.0 carats, stamped K18, 42.5cm, 16.5g. 

Estimate £2,500 - £3,500

A MOONSTONE CHAIN NECKLACE comprising a trace chain set with round cabochon moonstones, stamped 585, 45.0cm, 5.0g. 

Estimate £800 - £1,200

A YELLOW SAPPHIRE AND DIAMOND PENDANT NECKLACE the pendant set with a round brilliant cut diamond of approximately 0.30 carats suspending a pear cut yellow sapphire drop of approximately 4.04 carats, suspended from a trace chain, chain stamped 750, p

Estimate £1,800 - £2,200

A CORAL NECKLACE in 14ct yellow gold, comprising a row of coral beads, accented by gold spacers, stamped 585, 43.0cm, 29.6g. 

Estimate £700 - £900

AN AMETHYST RIVIERE NECKLACE set with a row of faceted oval cut amethysts, stamped 750, 46.0cm, 23.4g.

Estimate £1,500 - £2,500

A MULTICOLOUR PEARL AND DIAMOND NECKLACE comprising a graduating row of black, white and golden pearls, the clasp set with round cut diamonds, stamped 750, 46.0cm, 73.3g. 

Estimate £1,000 - £1,500

A TYPE A JADEITE JADE AND DIAMOND BUDDHA PENDANT NECKLACE the pendant set with a round cabochon jadeite jade accented by round cut diamonds, suspending a jadeite jade drop carved to depict Buddha, stamped Au750, pendant 3.5cm, chain 41.0cm, 9.5g. Acc

Estimate £500 - £700

AN AQUAMARINE, LAPIS LAZULI, BLUE TOPAZ AND DIAMOND NECKLACE comprising three rows of alternating faceted aquamarine beads and polished lapis lazuli discs, the clasp set with an octagonal step cut blue topaz accented by round cut diamonds, stamped 14

Estimate £1,000 - £1,500

A SOLITAIRE DIAMOND NECKLACE comprising a trace chain set with a round brilliant cut diamond of 1.62 carats, no assay marks, 41.5cm, 9.6g. 

Estimate £4,000 - £6,000

AN ICY JADE BEAD NECKLACE comprising a single row of icy jade beads of 9.3mm, stamped silver, 43.0cm, 61.6g. 

Estimate £500 - £700

A DIAMOND CURB CHAIN NECKLACE comprising a flat curb link chain accented by three round brilliant cut diamonds, the diamonds all totalling approximately 1.00 carat, stamped 750, 43.0cm, 34.7g. 

Estimate £2,000 - £3,000

FOPE, A DIAMOND NECKLACE in 18ct white gold, the fancy link chain set with a circular slider of round brilliant cut diamonds, suspending a silver sphere drop, signed Fope, stamped 750, 41.0cm, 18.9g.

Estimate £1,500 - £2,500

A SAPPHIRE AND DIAMOND NECKLACE set throughout with round cabochon sapphires and accented by round brilliant cut diamonds, the diamonds all totalling 50.0-60.0 carats, no assay marks, 42.0cm, 23.7g. 

Estimate £3,000 - £5,000

AN ANTIQUE ENAMEL DIAMOND AND ENAMEL LOCKET PENDANT NECKLACE the circular hinged locket set with an old cut diamonds over a ground of pearlescent blue enamel, in a border of rose cut diamonds, opening to reveal a glass covered locket compartment, sus

Estimate £2,000 - £3,000

A PEARL AND DIAMOND NECKLACE comprising a row of pearls, the clasp pave set with round cut diamonds, no assay marks, 46.0cm, 108.2g. 

Estimate £1,800 - £2,200

A MULTICOLOUR TOURMALINE AND DIAMOND PENDANT NECKLACE comprising three flower motifs set with round brilliant cut diamonds and oval cut green, pink, orange and yellow tourmaline petals, suspended from a trace chain, stamped 750, 41.0cm, 2.8g.

Estimate £400 - £600

AN EMERALD AND DIAMOND FRINGE NECKLACE in yellow and white gold, comprising a row of round cut diamonds suspending a series of drops pave set with round cut diamonds, pear cut emeralds and rose cut diamonds, the emeralds all totalling 9.0-9.5 carats,

Estimate £8,000 - £12,000

VAN CLEEF & ARPELS, A MOTHER OF PEARL SWEET ALHAMBRA PENDANT NECKLACE in 18ct yellow gold, the pendant set with a quatrefoil shaped mother of pearl, suspended from a trace chain, signed VCA and numbered, French assay marks, pendant 1.1cm, chain 41.0c

Estimate £1,000 - £1,500

A GARNET CHAIN NECKLACE the trace chain set with oval cut garnets, stamped 14K, 45.5cm, 3.9g.

Estimate £250 - £350

A YELLOW AND ORANGE SAPPHIRE CHAIN NECKLACE the trace chain set with a row of oval cut yellow and orange sapphires, stamped 750, 46.0cm, 4.1g.

Estimate £500 - £700

A RUBY BEAD AND DIAMOND NECKLACE comprising two rows of faceted ruby beads leading to spacers set with marquise cut rubies and round cut diamonds, suspending five rows of further ruby beads, clasp stamped 18K, 47.0cm, 75.7g. 

Estimate £600 - £800

A MULTIGEM PENDANT NECKLACE comprising a flat curb chain set with round brilliant cut diamonds, marquise cut sapphires and, suspending a pendant set with further round brilliant cut diamonds, marquise cut sapphires and oval cut emeralds and oval cut

Estimate £1,200 - £1,600

NO RESERVE - BUCHERER, A PAIR OF AKOYA PEARL STUD EARRINGS in 18ct white gold, each set with a pearl of 5.7mm, CB maker's mark, Swiss assay marks, 1.7cm, 1.2g. Accompanied by a Bucherer jewellery box. Current retail price: £330. 

Estimate £80 - £120

A DIAMOND, SAPPHIRE AND PEARL NECKLACE comprising two rows of pearls, the clasp set with old cut diamonds and cushion cut sapphires, no assay marks, 62.0cm, 105.6g. 

Estimate £1,000 - £1,500

NO RESERVE - MAPPIN & WEBB, A SOLITAIRE DIAMOND NECKLACE in 18ct white gold, comprising a trace chain set with a round brilliant cut diamond, inscribed 0.07, Mappin & Webb maker's mark, partial British hallmarks, 45.0cm, 2.0g. Accompanied by a Mappin

Estimate £150 - £250

A SAPPHIRE AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with an octagonal step cut sapphire in a border of round cut diamonds, the bail set with further round cut diamonds, suspended from a trace chain, pendant with full British h

Estimate £800 - £1,200

A CEYLON NO HEAT STAR SAPPHIRE AND DIAMOND TURTLE PENDANT NECKLACE the pendant designed as a turtle set with cabochon star sapphire of approximately 19.14 carats, the head and feet set with round cut diamonds, suspended from a curb chain, chain stamp

Estimate £3,000 - £5,000

MAPPIN & WEBB, A DIAMOND PENDANT NECKLACE in 18ct white gold, the openwork circular pendant set with round brilliant cut diamonds, suspended from a trace chain, Mappin & Webb maker's mark, partial British hallmarks, pendant 1.5cm, chain 45.0cm, 5.0g.

Estimate £400 - £600

A SAPPHIRE CHAIN NECKLACE the trace chain set with a row of fifteen fancy shaped mixed cut sapphires all totalling 11.65 carats, stamped 18K, 46.0cm, 4.7g. 

Estimate £800 - £1,200

A CORAL NECKLACE comprising a row of polished coral beads, suspending a carved coral pineapple pendant, no assay marks, 41.5cm, 14.0g. 

Estimate £200 - £300