Tiffany & Co. 1837 Narrow Ring. 925 Sterling Silver. Size 8.5 Women's Brand: Tiffany & Co. Model: 1837 Narrow Type: Ring Material: 925 Sterling Silver Size: US 8.5 Width: Approx. 6.7 mm Weight: Approx. 7.0g Gender: Women's Accessories: None Condition: Good Item Condition Notes: Please see images for details on the condition of the item. The listed size is based on the ring's engraving. Please note that some items may not measure accurately. Please refer to photos taken with a ring gauge for the correct size. For items without an engraved size. the listed size is the actual measurement.