Size: US: 5.75 / EU: 51 / JP: 10.5 Item: Ring Brand: Cartier Model name: Trinity Series: 3.5 mm (0.14 in) band Category: Ladies Material: 18K gold (YG x PG x WG) Weight: 7.45 g Size: 51 Actual size: No. 11 (our measurement size) The actual size may differ slightly from each brand's specifications. Ring width (maximum): 3.52 mm (0.14 in) Accessories: None Condition: Used item: with only slight signs of use Polished