SALVADOR DALI, A MADONNA DE PORT LLIGAT NECKLACE, 1970S in 18ct yellow gold, the pendant designed as Dali's Madonna De Port Lilgat, suspended from a fancy link chain, signed Dali and numbered, pendant 4.0cm, chain 71.0cm, adjustable to form two short

Estimate £6,000 - £8,000

BUCCELLATI, A GOLD LEAF NECKLACE comprising a row of links designed as pierced leaves, signed M. Buccellati Italy, stamped 750, stamped 1961 2001, 41.0cm, 59.6g. 

Estimate £7,000 - £9,000

LALAOUNIS, A DIAMOND HERCULES KNOT NECKLACE in 18ct yellow gold, designed as a Hercules knot, the knot set with round brilliant cut diamonds, Lalaounis maker's mark, French assay marks, 37.0cm, 56.3g. 

Estimate £3,000 - £5,000

MARINA B, A CITRINE AND GREEN QUARTZ NECKLACE the collar necklace comprising alternating polished citrine and green quartz beads, signed Marina B and numbered, stamped 750, 41.0cm, 105.3g. 

Estimate £2,500 - £3,500

A DIAMOND AND ENAMEL PENDANT NECKLACE the pendant set with a round brilliant cut diamond in a circular border of black enamel, suspended from a trace chain, stamped 750, pendant 1.2cm, chain 46.0cm, 5.1g. 

Estimate £1,200 - £1,600

ELSA PERETTI FOR TIFFANY & CO., AN OPEN HEART NECKLACE the pendant designed as an open heart, suspended from a fancy link chain, signed Elsa Peretti and Tiffany & Co., pendant 3.4cm, chain 41.0cm, 23.7g. 

Estimate £2,000 - £3,000

A RECONSTITUTED TURQUOISE AND DIAMOND FLORAL DROP NECKLACE comprising two rows of trace chain with reconstituted turquoise quatrefoil motifs set with marquise cut diamonds, suspending a drop of further reconstituted turquoise quatrefoil motifs set wi

Estimate £2,000 - £3,000

TIFFANY & CO., A GREEN TOURMALINE PENDANT the pendant set with a pear cut green tourmaline, suspended from an unrelated snake chain, pendant signed Tiffany & Co., stamped 750, chain stamped RG 18K, pendant 2.5cm, chain 47.5cm, 19.6g. 

Estimate £1,200 - £1,600

MAUBOUSSIN, A RUBY, SAPPHIRE, EMERALD AND DIAMOND NECKLACE set with trios of square step cut rubies, sapphires and emeralds, accented by carre cut diamonds, signed Mauboussin Paris, no assay marks, 37.0cm 50.1g. 

Estimate £6,000 - £8,000

A DIAMOND, RUBY AND ENAMEL SNAKE NECKLACE the pendant designed as a coiled snake set with rose cut diamonds, the eyes set with round cut rubies, the tail decorated with scrolling black and white enamel, suspended from a curb chain, stamped 750, Itali

Estimate £1,500 - £2,500

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, 39.0cm, 5.4g.

Estimate £1,500 - £2,500

A PINK TOURMALINE, SPESSARTINE GARNET, TSAVORITE GARNET, TANZANITE AND DIAMOND NECKLACE set with cabochon pink tourmalines, spessartine garnets, tsavorite garnets and tanzanites in frames of round brilliant cut diamonds, suspending a drop of similar

Estimate £15,000 - £20,000

VAN CLEEF & ARPELS, A VINTAGE WHITE CORAL ALHAMBRA NECKLACE in 18ct yellow gold, the chain punctuated by twenty quatrefoil motifs set with polished white coral, signed VCA and numbered, French assay marks, stamped 18K, 8.0cm, 89.0cm, 43.8g.

Estimate £20,000 - £30,000

A PERIDOT AND DIAMOND NECKLACE set with a row of cushion cut peridots in borders of round brilliant cut diamonds, stamped 18K 750, 43.0cm, 74.2g. 

Estimate £20,000 - £30,000

BULGARI, AN ONYX AND DIAMOND LION PENDANT NECKLACE the necklace comprising hexagonal links set with polished onyx and square links set with round brilliant cut diamonds, suspending a detachable lozenge shaped pendant / brooch designed as a lion head,

Estimate £40,000 - £60,000

VAN CLEEF & ARPELS, A DIAMOND PENDANT NECKLACE the openwork pendant set with round brilliant cut diamonds, suspended from a fancy chain, signed Van Cleef & Arpels and numbered, French assay marks, stamped 750, pendant 2.1cm, chain 38.0cm, 40.9g. 

Estimate £4,500 - £5,500

TIFFANY & CO., A DIAMOND ATLAS COLLAR NECKLACE, 1995 comprising a row of links with embossed Roman numerals, accented by trios of round brilliant cut diamonds, signed Tiffany & Co., stamped 750, stamped 1995, 40.0cm, 63.2g. 

Estimate £6,000 - £8,000

BUCCELLATI, A GOLD NECKLACE comprising a row of graduating domed guilloche links, accented by smaller links of similar design, signed M. Buccellati, Italian assay marks, 37.0cm, 229.0g. 

Estimate £25,000 - £30,000

A KUNZITE AND DIAMOND NECKLACE comprising a trace chain set with round brilliant cut diamonds, suspending an octagonal step cut kunzite of 11.42 carats, stamped 750, 46.0cm, 8.8g. 

Estimate £2,000 - £3,000

A WATERMELON TOURMALINE AND DIAMOND NECKLACE comprising a trace chain set with round brilliant cut diamonds, the pendant set with an elongated octagonal step cut watermelon tourmaline of 12.30 carats in a border of round brilliant cut diamonds, stamp

Estimate £4,000 - £6,000

BULGARI, A FISH TONDO PENDANT NECKLACE the circular pendant designed as a fish, suspended from a leather necklace, signed Bulgari, pendant stamped 750 STEEL, chain stamped METAL, pendant 4.3cm, necklace 39.0cm, 24.5g. 

Estimate £1,000 - £1,500

A TURQUOISE AND DIAMOND BEAD NECKLACE comprising a row of polished turquoise beads, accented by beads pave set with round brilliant cut diamonds, stamped 18K, 50.0cm, 61.0g. 

Estimate £8,000 - £12,000

BULGARI, A LAVA CAMEO AND DIAMOND PENDANT NECKLACE the pendant set with a carved lava cameo depicting the bust of Zeus in a border of round brilliant cut diamonds and rope work, suspended from a curb chain, signed Bvlgari, stamped 750, pendant 3.5cm,

Estimate £6,000 - £8,000

A DIAMOND PENDANT NECKLACE the pendant set with a fancy cut diamond of approximately 4.00 carats accented by round brilliant cut diamonds, suspended from a trace chain, no assay marks, pendant 2.3cm, chain 42.0cm, 5.7g. 

Estimate £20,000 - £25,000

A COLOMBIAN EMERALD AND DIAMOND NECKLACE in 18ct white gold, comprising five articulated rows of round brilliant cut diamonds, suspending a geometric pendant set with a square step cut emerald and single and carre cut diamonds, suspending a pear cut

Estimate £25,000 - £35,000

A LAPIS LAZULI, WHITE CORAL AND DIAMOND NECKLACE comprising a row of polished lapis lazuli beads, accented by a Chinese carved white coral bead and rondelles set with round cut diamonds, no assay marks, 48.0cm, 297.1g. 

Estimate £3,000 - £5,000

A JADEITE JADE, CORAL AND DIAMOND NECKLACE comprising a row of jadeite jade beads and polished coral beads, the clasp set with further polished coral beads and round brilliant cut diamonds, no assay marks, 61.0cm, 66.2g. 

Estimate £3,000 - £5,000

TIFFANY & CO, A DIAMOND SOMERSET PENDANT NECKLACE the rectangular mesh pendant accented by round brilliant cut diamonds, suspended from a trace chain, signed Tiffany & Co., stamped 750, pendant 3.7cm, chain 20.0cm, 6.6g. Accompanied by a Tiffany & Co

Estimate £1,000 - £1,500