The turquoise measures 12mm north to south by 7mm west to east. It is not hallmarked, but has been. Tested, and verified weighing in at 14.8 grams. The bracelet is in great condition with normal and ordinary use marks.Comes from a clean, smoke-free home. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Bracelets & Charms". The seller is "besparkledagain" and is located in this country: US. This item can be shipped worldwide.