Item: Ring Brand: Cartier Model Name: All Air Cierre Vintage Category: Ladies Serial: 5626** Material: 18K yellow gold stainless steel Weight: Approx. 5.7g Size: Notation size: 52 (52 EU / US 5.75) Actual size: No. 11.5 (11.5 JP / US 5.75) (our measurement size) * The actual size may differ slightly from the standards of each brand. Ring width (minimum): approx. 4mm (0.16 in) Ring width (maximum): approx. 6.5mm (0.26 in) Size Notes: Inner diameter cannot be measured Accessories: Storage box. Outer box Condition: Used Item: Excellent condition with only slight signs of use, polished Metal part: Engraving is shallow • Ring size listed will usually be international sizing. Not US. Unless otherwise stated. You accept this description upon purchase. Please use the Ring Size Chart.