A gold, agate and diamond necklace, circa 1960

Bulgari

A mid-20th century platinum and diamond collar necklace

An emerald and diamond pendant on a diamond set chain, circa 1910

Antique pavé set diamond heart pendant-brooch, circa 1900

An early 20th century scroll and pear shaped diamond pendant

An early 20th century diamond long chain

An emerald heart pendant

A 19th century turquoise and gold tassel necklace, circa 1840

Antique sapphire and diamond cluster heart pendant, circa 1890

A gold & turquoise parure

Cartier

An onyx and gold necklace

Van Cleef & Arpels

A 17th century German gold, & jewelled couchant horse and hound pendant, circa 1650

A sapphire, pearl and gold pendant

An exceptional diamond longchain France, circa 1915

A gold and diamond necklace

Bulgari