These Roberto Coin 38mm, 18k white gold hoops are accentuated by approximately 0.55 tcw diamonds. The medium size is a 30mm, 18k white gold hoop with 0.45 tcw diamonds. Perfect to compliment any outfit! If you wish to view this item in our Whitefish Bay store, please call us at 414-964-1242 to ensure in store availability. Thank you.