An 18ct gold diamond and gem-set necklace. Designed as

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 diamond and gem-set brooch. Designed as a giardinetti, with brilliant-cut diamond openwork basket and marquise-shape ruby, sapphire and emerald flowers. Estimated total diamond weight 0.2

A composite early 20th century gold diamond and gem-set negligee necklace. Designed as two goldstone bead and seed pearl drops, suspended from a rose-cut diamond bar, with integral fancy-link chain. L

A tanzanite necklace and two 9ct gold diamond and gem-set pendants. The necklace designed as a series of tanzanite faceted beads, with a tanzanite pendant and an amethyst and diamond pendant. Hallmark

An 18ct gold opal and diamond novelty brooch, and an 18ct gold gem-set cluster ring. The brooch designed as a pair of sunglasses with oval opal cabochon lenses and brilliant-cut diamond bridge, the ri

Two late Victorian gold gem-set mourning rings. The first designed as an 18ct gold old-cut diamond atop a square-shape black enamel panel with circular-shape paste and black enamel line shoulders, the

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 lapis lazuli, diamond, sapphire, ruby, emerald gold necklace 14K, designed as a 36" double strand, knotted beaded necklace with gold spacers and a figural clasp, designed as a panther gem-set with d

Tests 18k yellow gold Designed with a colorful braided silk necklace suspending a domed pendant embellished with red and green enamel floral motif terminating with a cluster of tablet-cut diamonds an

A VINTAGE GEMSET FLOWER BASKET BROOCH in 18ct yellow gold and platinum, designed as a basket of flowers, set with single cut diamonds, round cut rubies, emeralds and sapphires, stamped 18ct PLAT, 4.0c

NO RESERVE - A VINTAGE GEMSET FLOWER SPRAY BROOCH in 18ct yellow gold, designed as a bouquet of flowers, set with round cut rubies, sapphires and diamonds, full British import assay marks, 5.5cm, 9.6g

AN ONYX, DIAMOND AND EMERALD BIRD PENDANT NECKLACE in 18ct rose gold, designed as a bird, set with round cut diamonds, emeralds and polished onyx, to a beaded chain, stamped 750, pendant 5.8cm, chain

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

designed with Mississippi river pearls, seed pearls, diamonds and amethyst; mounted in 14k and 10k gold; length: 16in.

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,

A YELLOW DIAMOND CROSS PENDANT NECKLACE in 18ct yellow gold, the pendant designed as a cross set with princess cut yellow diamonds all totalling 3.5-3.8 carats, suspended from a trace chain, stamped 7

AN ENAMEL AND DIAMOND MAN IN THE MOON NECKLACE in 18ct yellow gold and silver, the pendant designed as a man in the moon decorated with light blue enamel, the eyes set with rose cut diamonds, suspende

NO RESERVE - A GLASS FILLED RUBY AND DIAMOND PENDANT NECKLACE in 18ct white gold, the pendant designed as a bow set with round cut diamonds and a pear cut glass filled ruby, suspended from a curb chai

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.

A pair of 18ct gold diamond and gem-set earrings. Each of openwork design, the oval-shape sapphire, with calibre-cut ruby chevron and brilliant-cut diamond geometric surround. Estimated total diamond

A 1950's 18ct gold diamond and gem-set bird brooch. The bird, comprising textured feathers with openwork breast, emerald eye and ruby and turquoise tail feathers, resting on a diamond accent branch. M

An 18ct gold diamond and gem-set bombe ring. Signed Ritz London, 2.18.1-4. Gems to include ruby, pink tourmaline, amethyst and aquamarine. Hallmarks for London, 2012. Ring size L. 12.5gms.

A diamond and gem-set necklace. Designed as a square-shape emerald, sapphire and ruby swag, gathered by brilliant-cut diamond highlights, to the figaro-link back-chain. One sapphire deficient. Estimat