Oval bronze ring with shimmering stone by Pentti Sarpaneva Finland 1960s

Vintage bronze ring oval shaped with lovely a green/blue shimmering nature stone by designer Pentti Sarpaneeva, Finland 1960s. Natural nice patina with decor around the stone. Size: 18 cmD. 2.5 cmH. Size of stone:  1 cm x 1.3 cm. Good vintage condition. Not signed. 

"A Scandinavian midcentury modern jewelry you will be able to enjoy your whole life!"