[From the article on the meaning of the ring on a certain finger of the hand]:

"If the ring is worn on the middle finger (Finger of Saturn) - The ring resolution: "I am beautiful!".. The longest and most central, it best demonstrates the jewelry and how much we like ourselves. The aggressive superiority of the ring on the index finger is replaced by a more polite sense of self-worth and forgiving self-esteem. The larger and more noticeable the ring, the stronger its owner tries to convince others of its irresistibility.

Interestingly, it was on the middle finger that the legendary Ring of Almighty from Tolkien's trilogy was worn. The question is, by what gesture did Sauron greet the enemy's troops, if that finger with the ring was immediately cut off? ..."