Ring, gemstone, silver tone, Sz 7 jewelry

Ring is in good condition and kept in a clean smoke free home. Marked inside KCR , Sz 7, silver tone, larger stone tested as a gemstone in the tourmaline category but it could be a different stone. The smaller is not. Larger is faceted light aqua color and the small is a round slate blue color. Tested negative gif silver— only silver tone. #ring #silver-tone #gemstone #blue #KCR