These are the mini/ring versions of traditional biras: heavily ornamented bangles worn by both men and women in the Caribbean and often passed on as heirlooms. Each bangle, and the ring is this case, is chiseled, or stamped, by handmade. The traditional cocoa pod and ball heads/caps are the most popular styles.
This ring is adjustable and comes in three general sizes:
Small - Ring size 4-6.5
Medium - Ring size 7 - 10
Large - 10 - 13