Theo Fennell, 'Memento Mori' ring

Theo Fennell, a tourmaline and diamond 'Memento Mori' ring, the circular faceted red tourmaline is set within a border with the inscription 'Memento Mori' in black enamel, set with two black diamonds and a border of small white diamonds, a skull applied to each shoulder in yellow gold, stamped Fennel to inside shank, with inner re-sizing balls, approximately size N