Here is the ring from Vivienne Westwood which is called 'Armour Ring'
£170 each (picture taken from http://www.viviennewestwoodonline.co.uk/)
In addition here are two other rings I picked up yesterday from H&M which I cant wait to wear as I love rings especially big & chunky ones. I cant leave the house without having a ring(s) on my finger.
This one comes in a set of 3 for £3.99
I really like this one & it comes in silver too £3.99