This is a current Tiffany K18 Classic Band Ring. Purchased a few months ago and worn for about an hour during a meal, it's almost new. K18 (stamped 750) Size: 11 Ring width: 2.5mm Weight: 3g The inside of the ring looks bad in the photo, but it's clean. Although the category is "new, unused," it has been worn for a few hours and stored at home. Everything is included. Perfect as a reward for yourself, or as a gift for Christmas, etc. (^^) The following is an AI description for your reference: Beautiful gold and green ring, engraved with Tiffany & Co. - Brand: Tiffany & Co. - Color: Gold - Material: Gold - Engraving: © TIFFANY & CO. Au750 - Accessories: Box, gift bag Thank you for looking. Color: Gold系 (Gold-toned) Size: 11 Material: Gold Accessories: Box, warranty Scratches/Discoloration: None