A very fine Gübelin 18k gold & emerald cabochon ring. With three smooth oval emerald cabochons bezel set in a regal, signet style 18k gold thick band ring. A wonderful ring from one of the world's finest jewelers! Date: 20th Century Overall Condition: It is in overall good, as-pictured, used estate condition with some very light roughness & surface scratches to the tops of the emeralds, and other signs of expected light wear consistent with age. Fineness: Marked 750 for 18k gold fineness…