Two styles in one, this John Hardy Classic Chain Birthstone Collection bracelet boasts a boxy clasp closure with sparkling blue aquamarine gemstones on one side and genuine black sapphires on the other side. Measuring 6.5mm in width, this bracelet is the perfect size to wear by itself, or it can be stacked easily with other pieces for an on-trend look. This bracelet is a size medium and fits a wrist measuring 6.0-6.5 inches in circumference. 20% of proceeds supports Every Mother Counts, a non-profit organization dedicated to making pregnancy and childbirth safe for every mother, everywhere. - Shop the latest John Hardy bracelets and other jewelry on BlackSkinny.com