Aquamarine is the sea-blue member of the beryl family — emerald’s calmer sibling — colored by iron, with a hardness of 7.5–8 that suits every kind of jewelry. From pale sky to saturated “Santa Maria” blue, the finest stones combine clean crystal with even color. Brazil, Madagascar, Nigeria and Pakistan lead production.Every aquamarine at GEMIC Institute is natural, individually certified by our accredited gemologists and shown in true photos and video. Each is one of a kind; orders ship worldwide with tracking and a 30-day return window.