A late 19th century sapphire and diamond crescent brooch

An antique diamond riviere with a cluster pendant

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

A Turtle Brooch, 1960s

Cartier

A Demantoid garnet and diamond tortoise brooch, circa 1890

A 1950s gold and diamond clip

Cartier

A Pair of Art Deco Diamond Clips

A Sapphire and Gold 'Lilac Leaf' Brooch

René Boivin

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 Diamond Cluster Pendant

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