AN ANTIQUE DIAMOND RIVIÈRE NECKLACE
Thirty-three graduated old-cut diamonds, the seven central diamonds weighing (from left to right) 10.03, 10.93, 19.19, 24.38, 17.52, 12.28, and 9.90 carats, gold and silver, 15 ins., late 19th century
AN ANTIQUE DIAMOND RIVIÈRE NECKLACE
Thirty-three graduated old-cut diamonds, the seven central diamonds weighing (from left to right) 10.03, 10.93, 19.19, 24.38, 17.52, 12.28, and 9.90 carats, gold and silver, 15 ins., late 19th century