Adina Mills Prehnite Ring Size 8.5. This super cool pyramid-like piece by renowned jewelry creator Adina Mills is a one-of-a-kind. Adina has created jewelry for Lily Tomlin of the Grace & Frankie series seen on Netflix. Adina Mills’ works are tough to come by as she sells out within minutes and is just back from taking maternity break. Worn twice, LIKE NEW!!