An early 20th century diamond bar brooch The shaped plaque set with an old oval-cut diamond between old cushion-shaped diamonds, within a pierced ...

An early 20th century diamond bow pendant necklace The old cushion-shaped diamond within an openwork ribbon bow surround and drop set throughout w...

An Art Deco diamond bracelet, circa 1920 The bracelet composed of scalloped pierced links, set throughout with old brilliant-cut diamonds, between...

A diamond three-stone ring Set with three old cushion-shaped diamonds, to a plain shank(Ring size: K½)Property from a private collection ...[more]

A pair of diamond clip brooches Each scrolling spray set throughout with old brilliant-cut diamonds with brilliant, single and rose-cut diamond po...

A diamond single-stone ring The rectangular step-cut diamond, to a plain band(Ring size: H)Property from a private collection ...[more]

A diamond single-stone ring The cut-cornered rectangular-cut diamond, between baguette-cut diamond three-stone shoulders(Ring size: L)Property fro...

A cultured pearl and diamond necklace Designed as a continuous row of 10.0-10.5mm cultured pearls of various cream, grey, golden and brown tints, ...

A kunzite and diamond pendant The oval-cut kunzite, within a pierced undulating surround, set with brilliant-cut diamonds, to an 18ct white gold f...

A diamond-set 'Attrape-moi si tu m'aimes' ring, by Chaumet The wide openwork band of stylised spider's web design, set throughout with brilliant-c...

A pair of diamond cluster earrings Each brilliant-cut diamond within a similarly-cut diamond halo surround, post fittings(Length: 1.0cm) ...[more]

A rose quartz and diamond pendant The sugar-loaf cabochon rose quartz to a pavé-set brilliant-cut diamond four-claw mount and suspension loop, sus...

A diamond-set tri-coloured ring, by Bulgari The stepped tri-coloured band, inset with three rectangular step-cut diamonds, partial signature, numb...

A mother-of-pearl ring, by Bulgari The circular mother-of-pearl plaque within a polished border, engraved 'Bvlgari Bvlgari', signed, numbered(Ring...

A diamond-set necklace, by Nicola Appleby Designed as three 18ct gold circular plaques, the centre collet-set with a brilliant-cut diamond on a ma...

A brooch, by Buccellati Designed as a cluster of finely textured leaves, on a branch, signed Buccellati(Length: 3.5cm) ...[more]

Y A coral, sapphire and diamond pendant The oval cabochon coral, corallium rubrum, within a pierced bi-coloured bombé surround, set with circular-...

A gem-set dress ring The wide tapering band pierced with scroll motifs, collet-set with circular-cut sapphires, diamonds, emeralds and turquoise, ...

Y A coral, onyx and diamond necklace Composed of four rows of coral, corallium rubrum, beads, with brilliant-cut diamond line spacers, clasp and f...

A diamond-set bangle The openwork torc of bi-coloured design, modelled as prowling panthers with brilliant-cut diamond eyes, amongst a foliate sur...

A 'Trinity' ring, by Cartier Composed of three interlocking bands, signed Cartier, numbered, maker's mark, French assay mark(Ring size: S/T) ...[...

An aquamarine, onyx and diamond cocktail ring The cut-cornered rectangular-cut aquamarine, within a scissor-cut onyx and brilliant-cut diamond two...

Y A 19th century diamond-set pendant necklace The cut-cornered rectangular glazed locket, containing a later carved coral, corallium rubrum, panel...

A lava cameo, diamond and onyx pendant necklace Designed as a graduated row of onyx beads, suspending an oval onyx pendant, inset with a lava came...

A late 19th century pearl and diamond stick pin Modelled as an acorn, the ovoid pearl above a rose-cut diamond base, and old brilliant-cut diamond...

A late 19th century diamond-set novelty brooch, circa 1890 Modelled as a poodle, with old brilliant and rose-cut diamond fur and a ruby eye, mount...

A pair of early 20th century opal and diamond pendent earrings, circa 1900 Each oval cabochon opal, suspended from an old brilliant and single-cut...

A late 19th century pink spinel and diamond ring The oval-cut pink spinel, between rose-cut diamond three-stone shoulders, mounted in 18ct gold, U...

A diamond horseshoe brooch, circa 1900 Set with a graduated row of old brilliant-cut diamonds, mounted in silver and gold(Length: 3.3cm) ...[more]

An Art Nouveau enamel, opal and diamond pendant necklace, circa 1900 The scrolling openwork cartouche of foliate design, with freshwater pearl bud...

An emerald and diamond pendant necklace The heart-shaped bombé 18ct gold pendant set with circular-cut emeralds and brilliant-cut diamonds in squa...

An emerald and diamond ring, by W.A Bolin, 1984 Collet-set with an oval cabochon emerald within a pavé-set brilliant-cut diamond surround, mounted...

An emerald single-stone ring The oval cabochon emerald collet-set within an 18ct gold mount of hammered finish, UK hallmark(Ring size: N) ...[mor...

A tanzanite and diamond ring The oval-cut tanzanite between brilliant-cut diamond shaped borders, mounted in 18ct gold, UK hallmark(Ring size: P) ...

A lapis lazuli bracelet, by Seaman Schepps Designed as alternating carved lapis lazuli and polished curb links, signed Seaman Schepps(Length: 21.0...

A pair of retro sapphire and diamond earclips, 1940s Each designed as a polished scroll, set with circular and calibré-cut sapphires and single-cu...

An onyx fancy-link bracelet, circa 1950 Designed as a series of square links with reeded connectors, interspersed with four onyx circlets, French ...

An amethyst and diamond dress ring The cut-cornered rectangular-cut amethyst, between brilliant and marquise-cut diamond cluster shoulders, to a b...

A retro diamond-set necklace The V-shaped front of stylised feather design linking, with single-cut diamond-set centre, suspending twin conical dr...

An aquamarine and diamond ring The rectangular step-cut aquamarine, between brilliant-cut diamond three-stone shoulders(Ring size: N) ...[more]

A pair of citrine and diamond pendent earrings Each pear-shaped citrine surmount suspending a brilliant-cut diamond frame with pear-shaped citrine...

A pair of gem-set earrings Each oval cabochon opal, within a brilliant-cut diamond surround and openwork kite-shaped blue topaz frame, post fittin...

An enamel and diamond dress ring The domed centre within a tiered circlet surround decorated with yellow guilloché enamel and accented with brilli...

A topaz and diamond brooch, by John Donald, 1969 Randomly-set with a number of topaz crystals, within a textured surround accented with brilliant-...

A topaz and diamond bracelet, by John Donald, 1969 Randomly-set with a number of rough topaz crystals, within a textured cube surround accented wi...

A pair of topaz and diamond pendants, by John Donald, circa 1969 Each topaz crystal within a textured surround, accented with brilliant-cut diamon...

A cultured pearl and diamond ring, by John Donald, 1971 Designed as a cluster of cultured pearls interspersed with single-cut diamond points, to a...

A cultured pearl and diamond necklace and bracelet combination, 1970s The single row of 8.80-9.55mm cultured pearls interspersed with diamond-set ...

An opal and diamond-set necklace, 1970s Of openwork design, composed of cups and beads, set with circular cabochon opals and brilliant-cut diamond...

A diamond-set necklace, 1970s Of 18ct gold molten rod link design, accented with a single brilliant-cut diamond, partial UK hallmark(Length: 37.0c...

A topaz watch pendant/brooch, by Corum and John Donald, 1969 The swivel centre set to the front with a cluster of topaz crystals, the reverse with...

A pair of lapis lazuli earrings, 1970s Each carved lapis lazuli bead within a bi-coloured swirl surround of textured finish, clip fittings, one cl...

A lapis lazuli and diamond brooch and pair of earrings, by John Donald Each carved square lapis lazuli plaque, within a geometric surround of 18ct...

A tiger's eye quartz longchain, by David Morris, 1971 The oval-link chain of hammered finish, set with seven oval tiger's eye quartz plaques in ha...

A tiger's eye quartz and diamond dress ring The oval tiger's eye quartz plaque, applied with an abstract mount pavé-set with brilliant-cut diamond...

§ A sapphire and diamond-set pendant/brooch, by Andrew Grima, 1979 Designed as an openwork cluster of overlapping gold batons, accented by circula...

§ A ruby and diamond flower brooch, by H J Company, 1962 Set with a cluster of brilliant-cut diamonds and circular cabochon rubies, within a textu...

A diamond cluster ring, by Rudolph Heltzel, 1976 Collet-set to the centre with a marquise-cut diamond, within a similarly-set brilliant-cut diamon...

A tourmaline and diamond pendant/brooch, by Alan Martin Gard, circa 1980 The pear-shaped green tourmaline, within a tiered textured tendril-design...

A ruby and diamond ribbon brooch, by Kutchinsky, circa 1965 The circular-cut ruby and brilliant-cut diamond cluster, within a textured rosette sur...