early 1900s
This antique ring features a big cabochon cut natural emerald of a nice Alpine green color surrounded by old cushion cut diamonds (H-I color, SI clarity) set in silver over 14K gold.
The emerald measures 21.2 x 13 x 9.3 mm and is approximately 19.17 ct.
Estimated total diamond weight is 2.20 ct.
Ring size 7.25 (18 mm) sizable