Ring ultra vision (By purchasing this model, you get 5 different sizes)You are getting sizes 54 (diameter 17.19 mm), 56 (diameter 17.83 mm), 58 (diameter 18.46 mm), 60 (diameter 19.10 mm), 62 (diameter 19.74 mm) andRing Size: 17.1 mmWeight 14k: 4.24 gr Weight 18k: 4.91 gr