MAPPIN & WEBB - an 18ct gold diamond necklace. The

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 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 diamond necklace. Designed as a series of five square-shape diamond collets, to the double belcher-link chain. Estimated total diamond weight 0.60ct. Hallmarks for London. Length 51.6cms.

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

A 18CT GOLD AND DIAMOND NECKLACE. Stamped 18K, Pendant 1.7cm x 0.9cm, chain 51cm, weight 4.8g

An 18ct gold diamond and gem-set necklace. Designed as a series of geometric panels, with oval sapphire and ruby cabochon collet detail, to the pave-set diamond highlights. Estimated total diamond 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 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

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

A STYLISH 18CT GOLD SAPPHIRE AND DIAMOND NECKLACE with matching necklace. 7.5 grams. Ring I/J. (2)

AN 18CT GOLD AND DIAMOND CROSS NECKLACE.

An 18ct gold opal and diamond necklace.Estimated diamond weight 0.15ct, H-I colour, SI clarity. Hallmarks for Birmingham. Length 42.5cms. 6gms.

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.

French Art Nouveau 18ct gold diamond set graduating floral necklace, hallmarked

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.

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

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, DIAMOND AND SAPPHIRE CLUSTER PENDANT NECKLACE. Length of chain 40cm, Pendant 7.5mm diameter, weight 4.2g

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

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

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