A turn of the century emerald and diamond plaque dress ring, the central emerald estimated to weigh 0.35 carat, vertically set with 4 old brilliant cut diamonds on the top, bottom and sides with further surround of smaller single cut diamonds estimated to weigh a total of 1.00 carats, rubover and grain set in platinum mount, circa 1900, the head measuring approximately 1.7x1.2cm, finger size L, gross weight 3.4 grams. This antique ring is in very good condition for its age. Unmarked, tested…