An 18ct gold diamond necklace. The brilliant-cut

MAPPIN & WEBB - an 18ct gold diamond necklace. The brilliant-cut diamond lariat motif drop, with integral trace-link double chain. Maker's marks for Mappin & Webb. Estimated total diamond weight 0.70c

An 18ct gold diamond single-stone necklace. The brilliant-cut diamond collet and crossover bar, to the belcher-link chain with tubular and sphere beads. Hallmarks for Edinburgh. Length 45cms. Weight 1

An 18ct gold diamond necklace. Designed as a series of brilliant-cut diamond collets, spaced along a trace-link chain. Estimated total diamond weight 0.45ct. Hallmarks for Sheffield. Length 56cms. Wei

An 18ct gold sapphire and diamond necklace. Designed as a series of brilliant-cut diamond bar links, each with circular-shape sapphire terminal and circular spacer, to the similarly-shaped, polished b

An 18ct gold sapphire and diamond necklace. The oval-shape sapphire and brilliant-cut diamond cluster, with baguette and brilliant-cut diamond swag sides, suspended from a curb-link back-chain. Estima

An 18ct gold brilliant-cut diamond highlight bead-link necklace, by Jennifer Meyer.Estimated diamond weight 0.40ct, G-H colour, SI clarity.Hallmarks for London. Length 36.7cms. 14.8gms.

An 18ct gold emerald and diamond necklace. The pear-shape emerald collet, suspended from a brilliant-cut diamond foliate chevron, to the integral fancy-link back-chain. Estimated total diamond weight

An 18ct gold ruby and diamond necklace, set to the front with a graduated trio of flower motifs set throughout with round brilliant cut diamonds and similar rubies to a fine belcher link backchain; Lo

AN 18CT WHITE GOLD DIAMOND ENCRUSTED KEY PENDANT AND CHAIN NECKLACE the pendant set with brilliant cut diamonds with pierced centre suspended on an 18ct white gold chain, total weight 6.25g, length of

CHOPARD - AN 18CT GOLD DIAMOND AND ONYX HAPPY DIAMONDS NECKLACE ON CHAIN, the lozenge-shaped pendant with five floating round brilliant-cut diamonds to an onyx ground, to an 18ct gold thick chain neck

AN 18CT WHITE GOLD AND DIAMOND PENDANT ON A 14CT WHITE GOLD CHAIN NECKLACE set with 18 brilliant cut diamonds on a curled mount, total weight app. 6g

A set of 18ct gold cultured pearl and diamond jewellery. The necklace designed as a dark grey cultured pearl, suspended within a graduated brilliant-cut diamond pear-shape surround, to the similarly-c

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 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

DE BEERS, A DIAMOND NECKLACE in 18ct yellow gold, comprising a bezel set round brilliant cut diamond on a fine link chain, signed De Beers and numbered, stamped 750, 41.0cm, 2.9g.

DIAMOND PENDANT/NECKLACE The openwork hoop set with brilliant-cut diamonds, diamonds approx. 1.50cts total, chain with UK hallmark for 18ct white gold, lengths: pendant 2.1cm, chain 39.0cm

A LARGE 18CT WHITE GOLD TEARDROP ZULTANITE AND DIAMOND PENDENT ON FIVE CHAIN NECKLACE The large zultanite with faceted cut edge mounted in a quality setting with 35 brilliant cut diamonds and pieced g

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

CARTIER, A DIAMOND LOVE NECKLACE in 18ct rose gold, comprising a double row chain set with a round cut diamond and a circular pendant with screw motifs, one of which is set with a round brilliant cut

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

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

A SAPPHIRE AND DIAMOND NECKLACE in 18ct and 9ct white gold, the pendant set with a row of round brilliant cut diamonds, suspending a cushion cut sapphire 2.25 carats, suspended from a belcher link cha

A DIAMOND CROSS PENDANT NECKLACE in 18ct white gold, designed as a stylised cross set throughout with round brilliant cut diamonds, stamped ABD, partial British hallmarks, pendant 5.1m, chain 42.2cm,

THEO FENNEL, AN AQUAMARINE, DIAMOND AND PEARL CHOKER NECKLACE, 1991 in 18ct white gold, set with a central oval cut aquamarine of 14.00 carats in a border of round brilliant cut diamonds, the necklace