Size L in UK ring size.
 
Delicate pale green sea glass ring, made in sterling silver. Please measure your ring size carefully, follow the links below if you are unsure:
 
Link to measure ring size at home: https://www.youtube.com/watch?v=U_v_BI_ENAo
 
Link to download ring sizing guide: https://quickjewelryrepairs.com/articles/how-to-measure-my-ring-size/