Around 1960/70. Jeweller craft in the manner of Van Cleef and Arpels or Mauboussin. Large Colombian emerald in pear shape in cabochon cut approx. 20 ct. (approx. 21,9 x 12,9 x 10,5 mm). Crowned by 3 rubies in oval cut in total approx. 3,50 ct. and 8 round brillant cut diam. in total approx. 0,55 ct. H-J.vs-si. Matching with pair of earrings lot. 548. With clip eyelet 32 x 19 mm, weight approx. 10 g.