An Art Deco diamond flower brooch, by Hennell, circa 1930 The lotus flower set throughout with old brilliant and single-cut diamonds and a central...

A Belle époque Peridot and diamond brooch, circa 1910 The cut cornered step-cut peridot within a rose-cut diamond garland surround, width 2.8cm,...

An Enamel, Moonstone and diamond brooch, by Carlo Giuliano, circa 1885 The highly stylised peacock tail applied with orangy-red, blue and black e...

An antique amethyst intaglio and diamond cluster ring The oval amethyst carved to depict Mercury holding the caduceus accompanied by his attribute...

A natural pearl and diamond sautoir, circa 1915 The five-strand natural pearl sautoir to a finely pierced cupola surmount of Persian inspiration,...

A gold and gem-set bracelet, circa 1830 Composed of a series of bombé plaques decorated with tri-coloured flowerhead clusters accented by vari-cut...

A diamond single-stone ring The collet-set brilliant-cut diamond, weighing 6.27 carats, within a mount of hoop design, ring size N

An opal bangle, circa 1900 The openwork knife-edge bangle set with a graduated row of oval cabochon opals, inner diameter 6.0cm, cased by F.Aller...

An emerald and diamond pendant The fluted emerald bead, weighing 28.22 carats, suspended from an openwork scrolled surmount set throughout with ol...

An emerald and diamond pendant, circa 1900 The openwork quatrefoil plaque of scrolling wirework set at the centre with a cushion-shaped emerald wi...

An unmounted hardstone intaglio, 19th century The oval hardstone depicting Pan giving advice to Psyche, length 2.7cm

A diamond three-stone ring The cushion-shaped diamond, weighing 1.75 carats, between pear-shaped diamonds, remaining diamonds approximately 2.00 ...

An early 20th century diamond and seed pearl negligée pendant The old brilliant-cut diamond and seed pearl surmount suspending two knifewire drops...

A mid 20th Century pink sapphire and diamond three-stone ring The cushion-shaped pink sapphire, weighing 2.33 carats, between two old brilliant-cu...

A pair of natural pearl and diamond pendent earrings Each cushion-shaped diamond surmount, suspending a natural pearl drop, measuring 8.2mm-8.6mm ...

A cultured pearl necklace with a 19th century natural pearl and diamond clasp The four rows of cultured pearls, measuring 3.4mm-7.0mm, with an ope...

A multi-coloured natural pearl and diamond necklace and earring suite The necklace designed as a graduated series of bouton-shaped natural pearls ...

A diamond necklace and earring suite, by Garrard Converted from a tiara/necklace combination, circa 1890, the necklace of garland design and form...

A diamond single-stone ring The brilliant-cut diamond, weighing 5.37 carats, within a four-claw setting, ring size P½

A diamond tiara, circa 1830 Set with a central old brilliant-cut diamond cluster between a graduated series of openwork scrolls set with old brill...

A diamond bracelet, circa 1800 Formed of interlocking scrolls set with old brilliant-cut diamonds, each central diamond in an openwork surround o...

A diamond brooch, circa 1800 The central cluster between undulating scrolls, set throughout with pear-shaped, cushion-shaped and old brilliant-cut...

An 18th century topaz girandole brooch and a pair of topaz earrings The stylised brooch of foliate design, decorated throughout with vari-cut topa...

A mid 19th century diamond tiara/necklace combination Formed as a graduating series of scrolling volutes, set throughout with cushion-shaped and o...

A pair of Art Deco jadeite and diamond pendent earrings, circa 1930 Each shield-shaped pendant set with an oval jadeite cabochon suspended from an...

An Art Deco ruby and diamond palm tree brooch, circa 1930 The palm tree set throughout with baguette and single-cut diamonds, suspending cabochon ...

An Art Deco onyx and diamond bracelet, circa 1930 Set with a central row of polished onyx plaques, interspersed with old brilliant-cut diamonds an...

An Art Deco gold, enamel and amazonite bracelet, by Lacloche Frères, circa 1930 Each plaited gold link with a black enamel lozenge to the centre, ...

An Art Deco topaz and diamond ring, circa 1930 The cut-cornered step-cut orange topaz, weighing 33.80 carats, between scrolled shoulders set with ...

An Art Deco diamond double-clip brooch, circa 1930 The circular discs of openwork buckle design, set throughout with brilliant-cut diamonds, with ...

An Art Deco fire opal, onyx and diamond ring, circa 1920 The step-cut fire opal within a surround of single-cut diamonds, between shoulders set w...

An Art Deco sapphire and diamond brooch and bracelet, circa 1930 The openwork plaque set with a cushion-shaped sapphire within a surround of old b...

An art deco emerald and diamond bracelet, circa 1920 The central lozenge set with a square step-cut emerald between calibré-cut emeralds and old b...

A sapphire and diamond ring, circa 1950 The step-cut sapphire, weighing 3.51 carats, between baguette-cut diamond shoulders, ring size Q

An art deco rock crystal and diamond 'éventail' clip brooch, by Suzanne Belperron, circa 1935 The carved rock crystal shield highlighted by old br...

A ruby and gem-set ring, by Cartier Set with a cushion-shaped ruby between carved sapphires and emeralds, the tapering mount highlighted with step...

A sapphire single-stone ring The cabochon sapphire, weighing 28.75 carats, on a scrolling foliate gallery, ring size L½

A Mid 20th Century ruby and diamond flower brooch The flowerhead set with an oval-cut ruby, weighing 2.88 carats, within a surround of pavé-set br...

An Art Deco sapphire and diamond ring, Circa 1930 The step-cut sapphire within an old brilliant-cut diamond surround, sapphire approximately 4.50...

A mid 20th century sapphire and diamond bangle The hinged bangle of openwork foliate design, set with six circular and oval-cut sapphires between ...

A diamond cuff, circa 1935 The front of undulating design and with a raised central section pavé-set with old brilliant-cut diamonds, the bangle h...

An emerald and diamond pendant Designed as a flowerhead, set with an oval-cut emerald to the centre within a petal surround of brilliant-cut diamo...

A corallium rubrum, emerald and diamond brooch, by David Webb Designed as an exotic flower, pavé-set throughout with brilliant-cut diamonds, with...

A diamond fringe necklace, by Cartier, circa 1960 The front designed as a graduated series of openwork lozenges with polished bead and ropetwist d...

A diamond single-stone ring The step-cut diamond, weighing 2.89 carats, in a faceted bicoloured mount, ring size approx. M (sizing beads)

A diamond necklace The continuous row of brilliant-cut diamonds suspending a heart-shaped diamond, weighing 2.86 carats, remaining diamonds app...

A diamond pendant The brilliant-cut diamond, weighing 6.18 carats, within a four-claw setting, length 2.0cm

A pair of diamond earclips Each pierced hoop pavé-set with brilliant-cut diamonds, diamonds approximately 7.50 carats total, maker's mark, Fren...

A diamond bracelet, by Cartier Set with twenty-nine heart-shaped diamonds, diamonds approximately 14.90 carats total, signed Cartier, numbered 73...

A cultured pearl and diamond necklace and earring suite, mounted by Van Cleef & Arpels, circa 1990 The detachable bombé drop pavé-set with brillia...

A diamond single-stone ring The brilliant-cut diamond, weighing 5.17 carats, between baguette-cut diamond shoulders, ring size Q

A fancy-coloured diamond ring The brilliant-cut diamond of orange-brown tint, weighing 5.56 carats, within a four-claw setting inlaid with brillia...

A diamond pendant The heart-shaped diamond, weighing 3.42 carats, on a trace-link chain, accompanied by a ring mount set with pear-cut diamonds to...

A fancy-coloured diamond and diamond ring The oval-cut diamond of yellow tint, weighing 2.05 carats, between pavé-set brilliant-cut diamond should...

A fancy-coloured diamond and diamond line bracelet Set with trios of square-cut diamonds, interspersed by trios of square-cut diamonds of yellow t...

A ruby and diamond watch/bracelet, by Kutchinsky, 1977 The cover set with a scroll of brilliant-cut diamonds between polished gold batons, opening...

A sapphire and diamond ring, circa 1950 The cabochon sapphire, weighing 9.28 carats, within a surround of single-cut diamonds, to a reeded mount,...

A ruby and diamond ring, by Cartier Composed of three bombé hoops pavé-set with brilliant-cut diamonds, each highlighted by a cabochon ruby, sign...

A ruby and diamond ring Of bombé design, the oval-cut ruby set on pavé-set brilliant cut diamonds, French marks, ring size M½

A ruby and diamond brooch, circa 1960 The textured openwork buds with bombé tops pavé-set with circular-cut rubies or brilliant-cut diamonds, to p...