Van Cleef & Arpels

Gold and diamond necklace, 'Zip'

Natural pearl and diamond necklace

Fancy Intense Pink and Fancy Deep Grayish Blue diamond ring

Sapphire and diamond pendant

Sapphire and diamond ring

Chaumet

Emerald and diamond ring

Fancy yellow and coloured diamond necklace

Cartier

Diamond bracelet, circa 1918

Chaumet

Diamond bracelet, circa 1930

Harry Winston

Sapphire and diamond ring

Cartier

Onyx, emerald and diamond bangle, 'Panthère'

Fancy Vivid Yellow and Fancy Yellow diamond necklace

Fancy Yellow diamond bracelet

Fancy light yellow diamond ring

Harry Winston

Diamond ring

Cartier

Diamond and mother-of-pearl ring

René Boivin

Coloured sapphire, synthetic coloured sapphire and zircon bracelet, circa 1960

Van Cleef & Arpels

Diamond bracelet, circa 1930

Schullin

Spinel and diamond ring

Van Cleef & Arpels

Diamond bracelet, 'Volutes', circa 1954

Van Cleef & Arpels

Gem set and diamond bracelet, circa 1930

Bulgari

Diamond necklace, 1960s

Cartier

Diamond, onyx and emerald necklace, 'Panthère'

Spinel and diamond ring

Fancy Vivid Purplish Pink diamond ring

Bucherer Fine Jewellery

Diamond ring

Harry Winston

Diamond ring