A late 19th century amethyst and diamond clover brooch

An early 20th century butterfly brooch circa 1910

Art Deco multi-gem-set and enamel brooch, circa 1925

A diamond an onyx bow brooch, circa 1915

Cartier

A Diamond Cluster Pendant

A gold, diamond and citrine flower brooch

Cartier

Set of two graduated 19th century diamond daisy flowerhead brooches, c.1880

A plique a jour, blister pearl and diamond bat brooch, circa 1910

Antique pavé set diamond heart pendant-brooch, circa 1900

A pair of 1940s double clip brooches

A diamond double clip brooch, circa 1930

A ruby and diamond double clip brooch, circa 1945

Boucheron

A diamond and ruby clip, circa 1930

An en tremblant antique flower brooch, circa 1860

A Victorian diamond brooch/pendant

A diamond and sapphire brooch