Vintage Colombian emerald and diamond coronet cluster ring, French, circa 1950s.
Antique Burmese ruby and diamond three stone ring, circa 1905.
Van Cleef & Arpels turquoise and diamond Sultana ring, circa 1970s.
Art Deco Imperial precious topaz and diamond ring, circa 1930.
Fred ruby and diamond cluster ring, French, circa 1960.
Opal and diamond coronet cluster ring, circa 1950.