Thank you for viewing. Aquamarine Ring Product Management Number: 367-6366 Adjustable Size Type Currently about size 13 (Japan) Material: Aquamarine Metal: Brass Size Including the setting Approximately 14.3mm x 11.8mm Height: Approximately 7.1mm Sizes are approximate. A natural stone known as the birthstone for March. I have other items for sale as well. Please take a look from the # tag. #LadiesRingRebimama #NaturalStoneRebimama #CombinedShippingDiscount Available #FollowerDiscount Available 5% Color: Blue Material: Brass Stone: Aquamarine