The beautiful little emerald (.98 ct) emerald comes from the rainforest deep in the Andes Mountains in Columbia... the blue opal (9.7 ct) ,, one of the nicest I have ever laid my eyes and then hands upon is from neighboring Peru and was cut in Milan, Italy by some really nice folks I met at a show in France I attend every year... I designed this so that the opal swivels a bit. it measures about 12mm wide by 35mm long...