A platinum brooch designed as a leaf, invisible set with blue sapphires and with marquise cut diamonds. Signed Van Cleef & Arpels, made in Paris, ca 1950. In the 1930’s Van Cleef & Arpels were the inventors of the Serti Invisible. This revolutionary way of mounting stones is very complicated and time-consuming. The experts of Van Cleef & Arpels still use this beautiful technique.

Ca 47 x 28 mm.