A diamond double clip brooch, circa 1925

An early 20th century diamond and pearl fringe brooch

An art deco emerald and diamond double clip

An Early 19th century oval diamond cluster link collar necklace, circa 1820

A pair of platinum and diamond double clip brooches, circa 1935

A Georgian garnet suite, circa 1820

A 1930s diamond bird brooch

An art deco diamond double clip brooch

An art deco ruby and diamond brooch, circa 1930

A late 19th century sapphire and diamond crescent brooch

An early 20th century ruby and diamond arrow and heart brooch

A mid-century gem-set butterfly brooch, circa 1940

An art deco diamond brooch

Lacloche Frères

A Demantoid garnet and diamond tortoise brooch, circa 1890

A gold and diamond clip, 1950s

Cartier

Citrine and Gold Flower Brooch

Citrine Flower Brooch

Cartier

Art Deco Diamond Penannular Brooch

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 gold, diamond and citrine flower brooch

Cartier

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

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

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 diamond and sapphire brooch