This ring has a deeper green hand cut Chrysoprase gemstone from Australia and is set in a medium gage Art Nouveau wave ring design.
This ring is a size 6 3/4 but can be sized from a 5 to an 8.
The stone is a hand cut freeform and measures 22 by 10 mm or about 7/8 by 1/2 by inch.
Chrysoprase is a type of chalcedony in which minute traces of nickel give it its light apple green to darker green color.
This is typical Australian Chrysoprase though a wonderful lighter version is found in the USA and Africa