Georges Lenfant jade ring. Set with an oval cabochon natural unenhanced jade in an open back rubover setting with an approximate weight of 12.07 carats, to an impressive signet ring featuring a recessed central collet framed by a polished border and fitted to reverse with intricately pierced backholing, the integrated trumpeting shoulders are decorated with a fine riven pattern which continues to a broad shank. Marked 18 carat yellow gold, maker's mark for Georges Lenfant, French, circa 1945.
