The Great Serpent™ Ring is awarded to women who have been raised to the Accepted™ among the Aes Sedai™. The Great Serpent is a symbol for time and eternity. The Great Serpent Ring is officially licensed with Robert Jordan. The ring is available in sterling silver in US sizes 4 to 13, in whole and half sizes. Sizes 13 ½ (13.5) and larger are an additional $10.00 US in sterling silver. The ring measures approximately 6.7 mm (1/4") wide and 2.4 mm (1/8") thick - measures 4.5 mm (3/16") thick at the snake's head. The Great Serpent Ring weigh approximately 5.4 grams in sterling silver, weight will vary with size. Each ring comes in a in a two-piece black ring box with a card of authenticity.