A diamond tiara / necklace, early 20th century The tiara designed as a series of ten-ray stars...

A diamond cluster ring, circa 1910 The collet-set rectangular cushion-shaped diamond within an...

A diamond crescent brooch, circa 1890 Set with a continuous row of graduated rose-cut diamonds...

A sapphire and diamond cluster ring The cut-cornered step-cut sapphire to a surround of brilliant...

A ‘Love’ ring, by Cartier The polished band decorated with screwhead motifs, signed Cartier, maker’s...

An enamel and diamond ‘Nuit Noire’ pendant necklace, by Chanel The filed belcher-link chain...

A ‘Love’ bangle, by Cartier The polished bangle decorated at intervals with screwhead motifs, signed...

A diamond-set ‘Anniversary’ ring, by Cartier Designed as a polished overlapping band centrally...

A diamond single-stone ring The central brilliant-cut diamond, between baguette-cut diamond...

A diamond-set ‘Logo’ ring, by Cartier The brushed band framed by polished borders, with...

A diamond necklace and earring suite 1st: The necklace centrally collet-set with a brilliant-cut...

An emerald and diamond ring Set with an oval-cut emerald, within a tiered double-surround of...

A pair of diamond earrings Each surmount hoop, set with brilliant-cut diamonds, suspending an...

A diamond-set ‘Class One’ earring and pendant necklace suite, by Chaumet The cylindrical pendant...

A ‘Logo’ ring, by Cartier The split opening designed as opposing Cs, to a brushed band between...

A B.Zero ring, by Bulgari The sprung coiled band, engraved BVLGARI to the borders, signed Bulgari...

A diamond-set evening bag, circa 1960 The textured basket-weave clutch, with a brilliant and...

A diamond tassel brooch, circa 1940 The polished scroll, inset with old-brilliant and single-cut...

An emerald and diamond dress ring The octagonal-cut emerald, within a surround of collet-set old...

A diamond necklace and bangle suite, retailed by Mappin & Webb, 1998 The basket-weave 18 carat gold...

A pair of emerald, diamond and enamel pendent earrings Each suspending a pear-shaped emerald, within...

An emerald dress ring The circular cabochon emerald in a ribbed collet-setting, to a ropetwist...

A sapphire and diamond three-stone ring The central square step-cut sapphire between old...

A pair of cultured pearl and diamond earclips, circa 1960 Each set to the centre with a 8.0mm...

An aquamarine bead necklace The strand of aquamarine briolettes, to a polished spherical clasp...

A sapphire and diamond cluster ring The oval-cut sapphire, in a four-claw setting, within tiered...

A pair of aquamarine and diamond pendent earrings Each set with a pear-shaped aquamarine, within a...

An enamel and diamond charm / pendant, by Fabergé The detachable Russian doll pendant, decorated...

A diamond and blue topaz cluster ring The central pear-shaped blue topaz within a double border of...

A diamond pendant necklace The pendant composed of five graduated pavé-set brilliant-cut diamond...