These sweet rings features 6mm crystal beads on sterling silver wire. The rings are both size 7.
 
1. Amethyst
2. Rose Quartz 
 
The ring is open at the top so some flexibility and slight size adjustment is possible, but care must be taken to maintain the shape of the ring.
 
Also please note this style is delicate and needs to be treated with care.
 
Tips about ring sizes can be found HERE