Scandinavian Rock Crystal and Silver Modernist Ring

Incredibly gorgeous cocktail ring by Bengt Hallberg - a Swedish jeweller with resizable band featuring an uber clear and bright rock crystal gemstone. This design has the brutalist elements to it - seen in the textured, bark-like setting. The ring dates to 1970s. 

Measurements: the ring can be stretch to any size, current size L.

Material: silver and rock crystal quartz.