John Donald: An 18ct white gold necklace, 1970s

JOHN DONALD: GOLD NECKLACE, 2001 Of 18 carat gold openwork leaf-linking, maker's mark JAD, London hallmark, length 39.5cm Footnotes: From a Private Collection of Jewellery by John Donald

JOHN DONALD: GOLD TORQUE NECKLACE Mounted in polished 18 carat yellow gold, makers mark JAD, European convention mark, partial London hallmark, inner circumference approx. 40.0cm Footnotes: From a Pr

JOHN DONALD: GOLD 'TUBE' NECKLACE, 2001 Of 18 carat gold abstract 'tube' linking, maker's mark JAD, London hallmark, length 41.0cm Footnotes: From a Private Collection of Jewellery by John Donald

A VINTAGE 18CT WHITE GOLD AND DIAMOND NECKLACE. 8.6 grams. Pendant 2 cm x 1.75 cm.

AN 18CT WHITE GOLD MOUNTED JADEITE NECKLACE the pendant formed as Guanyin. Jadeite 1.5ins long.

99 brilliant cut diamonds set in 3 prong heavy basket heads tapering in size from clasp to center from 3.2mm to 5.1mm. All stones are H-I color, SI1-SI2 clarity totaling approximately 18.72ctw. Neckla

Approx. 16" L.

A DIAMOND, ONYX AND EMERALD PANTHER PENDANT NECKLACE in 18ct white gold, designed as a panthers head, pave set with round brilliant cut diamonds accented by pear cut emeralds and polished onyx, suspen

A DIAMOND NECKLACE in 18ct white gold, comprising a row of round brilliant cut diamonds, suspending a swag of further round brilliant cut diamonds, accented by baguette cut diamonds, the diamonds all

A DIAMOND, EMERALD AND ONYX PANTHER PENDANT NECKLACE in 18ct white gold, the panther set with round cut diamonds, pear cut emeralds and polished onyx, on a polished onyx ball, stamped 750, 3.8cm, 28.9

AN EMERALD BEAD AND DIAMOND NECKLACE in 18ct white gold, comprising seven rows of graduated faceted emerald beads, the clasp in scrolling design set with round cut diamonds, stamped 18k 750, 39.0cm, 4

BULGARI, A B.ZERO 1 DIAMOND PENDANT NECKLACE in 18ct white gold, the rounded pendant jewelled with round cut diamonds and with engraved logo, signed BVLGARI, Italian assay marks, 47.0cm, 15.8g.

A FINE OPAL AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a cabochon opal of 9.40 carats accented by round cut diamonds, stamped Au750, pendant 3.7cm, chain 45.0cm, 5.4g.

A TANZANITE AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a heart shaped tanzanite of 14.5 carats in a border of round brilliant cut diamonds suspended from a sterling silver chain, pendan

A DIAMOND LONGCHAIN NECKLACE in 18ct white gold, in the manner of Diamonds by the Yard, comprising of forty round cut diamonds totalling 2.0-2.2 carats, between belcher link chain, stamped 750, 46cm,

AN 18CT WHITE GOLD CULTURED PEARL AND DIAMOND NECKLACE, the cultured pearl drops each suspending on articulated links from a single diamond highlight, on lobster catch. Stamped 750. Total length 41cm.

MIKIMOTO, A SINGLE ROW AKOYA PEARL NECKLACE in 18ct white gold, comprising a row of pearls ranging from 7.0mm to 7.5 mm, the clasp set with a further pearl, clasp stamped 750, 46.5cm, 33.4g. Accompani

A KUNZITE, SAPPHIRE AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant set with a round cut sapphire in a cluster of round cut diamonds, suspending a pear cut kunzite drop in a border of fur

A PEARL AND DIAMOND NECKLACE in 18ct white gold, comprising a single row of graduated pearls ranging from 2.3mm to 6.5mm, the clasp set set with a pearl in a cluster of round brilliant cut diamonds, M

18ct white gold diamond and topaz pendant necklace: Gross weight 5.8g, chain length 44cm, stone size 9.5mm x 7mm.

A DIAMOND PENDANT NECKLACE in 18ct white gold, designed as a ribbon tied in a bow, jewelled throughout with round cut diamonds, the diamonds all totalling 1.1-1.3 carats, full British hallmarks, 3.5cm

AN OPAL AND DIAMOND PENDANT NECKLACE in 18ct white gold, set with a pear shaped cabochon opal in a border of round brilliant cut diamonds, suspended from a chain, full British hallmarks, pendant 2.3cm

A FINE 18CT GOLD WHITE GOLD 2CT COLUMBIAN EMERALD NECKLACE. 4 grams. 40 cm long.

A PEARL, SAPPHIRE AND DIAMOND NECKLACE in 18ct white gold, comprising two rows of graduated pearls ranging 3.0mm to 7.2mm, the clasp set with round cut and single cut diamonds and round cut sapphires,