Courtesy of Vogue, who shared a post about the look of Rose McIver at the premiere of ‘The Hobbit The Desolation Of Smaug‘ on December 2, 2013, you can buy the same ring as Rose at -quite- reasonable price, $32.00. The ring is from the pretty known Gemma Simone, and it’s called ‘Harlow‘.
Click the photo (or just here) to buy the ring