Bonham's ‘Eight Exceptional Jewels’ sale included this diamond necklace/choker/ bracelet with 22 matched emeralds (47 carats) and 70 carats of diamonds. Between 1959 and 1961 Van-Cleef and Arpels went in search of gems to make this collar necklace that sold for US$1,241,000 (HK$9,620,000; £780,000).