Van Cleef & Arpels - A 18k yellow gold, onyx, white coral and diamond necklace, Van Cleef & ArpelsVan Cleef & Arpels - A 18k yellow gold, onyx, white coral and diamond necklace, Van Cleef & Arpels White coral Onyx Brilliant cut diamonds approx. ct 9,00 Weight h 46,80  cm 83,00