Name: Tiffany & Co. Ring Unisex 750 18K YG Accessory 19 Size 72343700 18K Yellow Gold Unisex Used: 2000753246903053 Material: 18K yellow gold Diamond 0.36ct Size: Approximately 8 (Size) Ring inner diameter: 1.8 cm (0.71 in) Ring width: 0.2 cm (0.08 in) Notation size: 19 Shape Number Weight: 3.9 g Accessories: Storage box x 1 Storage bag x 1 Comment: Slight scratches It appears to be around a size 10 in terms of wearability. But please note that there are individual differences in how it feels. 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.